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Insurance often leaves homeowners with a devastating choice — to stay in the place where they lost so much, or to give up everything.

More people were displaced by wildfires between the start of this year and the end of July than in all of 2024. Globally, the Internal Displacement Monitoring Centre puts the number around 496,000 wildfire displacements — more than half of which occurred in Los Angeles County during the Eaton and Palisades fires in January.
“Displacement,” of course, can mean many things, and often in the case of wildfires, “most people can return quickly” once the danger has passed, the IDMC writes. But many in Los Angeles County are now entering their 10th month of displacement — and still more may choose, or have chosen, never to return.
Though the former United Nations Secretary General Kofi Annan called this kind of internal displacement “the great tragedy of our time,” voluntarily deciding to move away after a wildfire in the United States is something of a luxury. There are only three states in the U.S. in which insured homeowners have the legal right to replace a wildfire-destroyed home by buying a new property instead of rebuilding; for many, mortgages anchor them to properties that are covered in rubble and toxic ash. Three-quarters of homeowners who believe they have adequate insurance discover only after a fire that they’re actually underinsured, meaning that their policies cover less than 75% of the cost of rebuilding.
While there is limited data about how people disperse after a wildfire, recent tragedies have shed light on those who’ve either cashed out, cut their losses, or remain displaced in what was intended to be temporary housing. In 2018, for example, the Camp Fire burned down almost the entire town of Paradise, California, and as of 2021, 80% of the local population still had not moved back. Nearby Chico became “the epicenter for Paradise’s long-term relocation,” Abrahm Lustgarten writes in his book about climate migration, On the Move: The Overheating Earth and the Uprooting of America, though “smaller numbers of people moved farther,” with survivors ultimately resettling across all 50 states. Cheryl Maynard, a Camp Fire survivor I spoke to for this piece, even told me she’d heard about Paradise residents making it as far as Ukraine.
In some cases, though, this dispersal can lead to a stigma against those who either chose to leave or decide against returning. In Lahaina, the fact that native Hawaiians are being forced to find housing elsewhere is viewed as a form of “climate gentrification.” Even in Los Angeles, “many survivors have been quietly selling due to the many obstacles they face,” Joy Chen, the co-founder and CEO of the Eaton Fire Survivors Network, told me in an email. “Nearly all are reluctant to speak publicly. Locally, there’s been a lot of backlash to those who sell, and the folks I’ve spoken with just want to move on without drawing attention.”
Every story is different and personal, however — from being forced into temporary housing turned permanent to the reluctance of starting over. In an effort to better understand why people move away after a fire, I spoke to four California wildfire victims about their relocations and what they plan to do next. Their stories have been condensed and edited below.
Pasadena, California — Eaton Fire, 2025
I grew up in Pasadena. It was a nice community where you could ride your bike outside and there were other kids on the street — you could all get together, hang out, and get up to no good. It was an all-American town. I stayed, and I built my family there.
This was the third house I’d owned in Pasadena. I got married at 27, and when I was 30, we upgraded to a bigger house because we wanted to have kids. We bought a 1,700-square-foot house and we were really happy there, but at some point, we decided we needed something a little bigger. So we bought a house in 1990 that abuts the Eaton Canyon, about 300 yards from the Edison Tower where the January fire started. There is a wrought-iron fence in our backyard, and it goes straight down into the national forest. My husband and I were young and stupid, and we didn’t have any money, so we bought the worst house on a nice street. It was a real fixer-upper.
In 1993, a fire came through and burned right up to our backyard. We had only minutes to get out. When we came back and the house was still standing, we couldn’t believe our luck. So we moved back in; we got out our mops and brooms, and we cleaned it up. Five years later, my husband was dead of cancer. I don’t know if the toxins caused my husband’s death, but I don’t know that they didn’t. And I was left with a 6-year-old and a 12-year-old to raise by myself.
On the day of the Eaton Fire, my [second] husband and I were sitting and eating dinner when, at about 6:15 p.m., the TV went out. I said, “It must be Spectrum again.” We didn’t think much of it. Then we heard a loudspeaker, but we live right above the Eaton Canyon Nature Center, and they’re always rousing people at dark, saying, “The park is closed.” So that’s what I thought it was. But then there was a loud pounding on the front door, and it was my neighbor who’d just pulled into his driveway from work and saw a small fire directly underneath the tower across the canyon. The wind was blowing 70 or 80 miles an hour at the time, and he apparently rushed into his house and screamed for his wife to call 911 and to get the kids and the dog. And then he ran over and started knocking on doors.
We walked outside and there was the fire. I go, “Oh no, I know this drill.” Just then, a whole bunch of fire trucks pulled in, and I think that’s the only reason [the house] survived — because we were the first place burning, and the infrastructure wasn’t stressed yet. There are about eight to 10 houses in our cul-de-sac, and we had four huge fire trucks and probably 40 firefighters. I went back into the house, and I had a list from the last fire of the things I should take; I’d printed it up and taped it inside a closet door, but there was not going to be any time for that. We grabbed our hard drive, laptop, and three dogs, and got into our cars.
By then, it was black outside, with golf ball-sized embers flying by your head. It was like the videos of the fall of Saigon; it was the same damn way. Once I got out of the cul-de-sac, it was complete chaos. Nobody was obeying traffic lights or signs. My son had called — he lives in Monrovia, which is about 20 minutes away — and he was saying, “I saw the fire, I’m gonna come.” And I said, “There’s no time, forget it.” I finally made it to his house, and my husband was already there. And we have been there for seven months now.
The house in Pasadena is absolutely in the same condition as it was on January 7, when we left. It hasn’t been touched; it’s just full of all this toxic stuff that you can’t really see. State Farm’s adjuster came by with a little Kleenex box, and he wiped my hallway and said, “Oh, it’s not that bad. You just need a cleaning lady.” But we spent $6,400 to find out it’s full of lead, arsenic, and nickel. Seven months later, we still don’t have enough money to even start the cleanup. The original estimate, before we knew about the heavy metal contamination, was for $120,000. When we found out about the contamination, we got another estimate, and it’s up to $350,000 because everything has to be trashed. All the upholstered goods have to go. The hardwood floor has to go, because it’s grooved and distressed, and you can’t get the lead out of that. The carpets have to go. The window treatments have to go.
Fortunately, I get along with my son and daughter-in-law, but they’re a young couple and they’re relatively newly married, and they just bought that house in October. Then we move in with our three dogs, and it’s only a 1,000-square-foot house. I said, “We need to find someplace to rent. We can’t stay here.”
I talked to my financial planner, and he said, “We worked with people in Paradise after the Camp Fire, and people identical to you, with no fire damage but just smoke damage, they weren’t back in their house for one or two years.” And I said, “You’ve got to be out of your mind.” But it’s true, because you’re fighting with insurance the whole time. State Farm is still only okaying month-to-month rentals, and try to find a place to rent month-to-month with three dogs. So I asked my financial planner, “Is there any way we can buy another house right now?” And he crunched the numbers and said, “Everything’s got to be financed, but we can get a conventional loan and finance a mortgage, and then we can borrow against your portfolio for the down payment. You can survive for about two years that way before it gets financially untenable.”
So we put in an offer. We bought a house. We aren’t officially living there yet because it’s really dirty. We’re here every day, cleaning everything. But we’ll be in Monrovia, about seven or eight blocks from my son’s house, and the house wasn’t in the plume of the fire.
I worry that [the insurance company is] not going to give us enough money to clean up our house appropriately. I’m just not going to feel safe there anymore. My kids are, of course, advocating that we not go back. As my son says — because he’s so charming — he says, “Mom, you’re old now. You got out of two fires. Your luck has run out. The first one, you had a 10-minute warning. The second one, you had a six-minute warning. I don’t think you should push it.”
But it’s home, right? My whole life is there. Neighbors I’ve known for 35 years. I had saved up my nickels and dimes for about three decades to make it my Barbie’s dream house. I don’t know how much money we’re going to have to put into the house to get it into shape where we can either go back or sell it. But how could I sell it without making sure it’s clean? Somebody else is going to live there. What if they have little kids?
Kenwood, California — Tubbs Fire, 2017
Larry: Kenwood is beautiful wine country. We had been looking for a home where we could spend time with our family on weekends and in the summertime, and that’s why we bought the house. We lived there for about 12 years before we started renting it as an Airbnb on weekends, or sometimes for a week at a time. On the night of the fire, the last tenant had just moved out. Though the Kenwood house was our primary residence, we were luckily not living there at the time, so our most valuable possessions weren’t there, either.
We were awakened at 3:30 in the morning by a friend who had heard there was a fire up near Kenwood. We went to the TV, turned it on, and watched it. Coverage focused on the area around the Kaiser hospital, but we knew it was in our area because we’d heard from a neighbor who was running for his life and who said our house was on fire and there was no way there’d be anything left.
We didn’t get up there until two and a half weeks later. They’d completely closed the area off to get rid of all the dangerous brush. It was hard going back.
Jackie: In the beginning, we thought about rebuilding. It felt like we were fighting back. Like, “Just put the house right back where it was!”
Larry: We immediately got in touch with a contractor who could clean up the place. He went through the bureaucracy to get the okay to clean it all up. We got an architect. We were ready to rebuild.
Jackie: Then I looked at our lives and said, “Do I really want to start picking out doorknobs again? To go through two years of hassle trying to rebuild?”
Larry: At that time, we were in our late 70s. We just figured, This is just ridiculous. This is going to be such a heartache.
We were really careful and diligent, though. There are people out there who will deal with the insurance process for you, but they take 30% of the proceeds. You don’t want to do that, but some people don’t think they have the time or the intelligence to go through it all. We went through the whole thing, start to finish, and it took us two years and eight months before we were done. We had this house here in Marin County that we were renting, so we didn't have to worry about moving anywhere, and so we were able to go through the process slowly. It’s very emotional, but a few days after the fire, you’ve got to sit down and do your homework.
After we received the money for the trees and shrubs and the loss of the house, we still had the land, so we put it up for sale. A young couple — speculators — bought it, and they built a home in their style, and then they put it up for sale.
Jackie: The real problem is — like the new people who bought the house — they don’t know what Kenwood was like before. We were surrounded by the Trione-Annadel State Park, and when we looked out, we could see miles of trees. Now, when you look out, you see trees, but they’re all burnt. Every time we go up there, it just looks burnt to me.
Paradise, California — Camp Fire, 2018
I lived in the Paradise area for eight years. I’d lived in Magalia, which is just a few miles to the north of Paradise, but it was very cold — much colder than I was used to. So I sold my three-bedroom home and moved down to what they called the Banana Belt. We actually received some sunlight through the trees.
On the day of the fire, I had a friend visiting me from out of town. The day before, I had received a phone call from PG&E — a live person, not a recording! — saying that if there were high winds, they would be turning off the power. That morning, I got up and it looked kind of cloudy, but there was no smoke. My friend needed a prescription from CVS, and I told her, “You probably should call them.” But she was stubborn and looked at me like, I’ll do it when I want to. So we hung around for a little bit, and then I heard her calling CVS on her own terms. The guy there told her, “Lady, what are you doing here? The whole town is leaving. I’m locking up and I’m getting out of here.”
We thought, “Okay, we’d better leave.” I’d helped out in the condos there; I was on the safety committee, and we could evacuate 40 people in about 35 minutes. But they’d canceled the committee, so we didn’t have it on the day of the fire. I didn’t know if people were going to make it out or not. We had one person with no legs, married to a deaf lady, and I worried about them so much.
So I’m starting to panic. I took a quilt on the floor that I was trying to make for my son that had taken me forever — just a tie quilt, a $10 value. I took a picture of him in a frame that he and his girlfriend had given me. I took two salt and pepper shakers, one from each grandma. I left my china and my silver. I left a 100-year-old quilt, because it wasn’t in my line of sight. I left my mom’s wedding dress and my wedding dress.
Outside, the trees were burning behind the garages. One lady was in her garage next door, and I thought, “Oh my gosh, these people are inside there.” We stopped and asked if they needed help, and they said no, they had people coming. I should have made them get in my car. The condo manager drove around the parking lot a few times, honking his horn, but you couldn’t hear it because of the wind.
My friend said she was going to drive. I was holding onto my dog, who’s terrified of fire and things exploding. I told my friend, “Don’t go along the canyon because I don’t like it; it’s a drop off.” Well, the fire jumped over my car — like a rainbow — and went into the other median. I said to her, “Man, that was cool!” My dad raised me that way.
What my friend did then was, she went over into the wrong lane, and she went down against the upcoming traffic. At that point, they’d cut it off and made it that way. I was very blessed that we did not get trapped. She was doing about 70 going down that road and following a police officer. I said, “You’re going to get pulled over.” She said, “I don’t think he’s worried about me right now.”
At the bottom of the hill, another police officer directed us into a grocery store parking lot. It was packed with cars and people and dogs and animals, and we all got out and turned around and stared up at the mountain. There was just smoke and people coming down, people crying.
I went to my son’s in-laws with my friend, and on the third day, I found out that my condo was gone. So I booked a flight to where my family lived, and I’ve never been back. I went back to Chico a year later to pick up some things — I had a friend meet me there and we had lunch — but I never went back up the hill. There were so many people in the Facebook group [for fire victims] that were struggling mentally and emotionally because they were living in the burn scar, and there was no way I wanted to go up and see it. I’d talked to a tow truck driver before I left — I ran into one going into a store, and he was working up there hauling all the cars away — and I said, “How is it?” He said, “It’s bad. It’s bad.”
Recovery has been really complicated. A lady started the Facebook group after reading PG&E’s 2019 bankruptcy court documents, and she told people to vote against the plan. The $13.5 billion Fire Victims Trust was going to pay the 70,000 survivors of the Butte, North Bay, and Camp Fires — all sparked by PG&E — half in cash, half in the company’s stock. But it was approved by more than 85% of survivors. How do you get 70,000 people to agree on anything?
The day they signed the deal, PG&E’s stock was only worth $9 a share — so it was only worth $11 billion — and we had to wait for it to get to, like, $14 a share for us to break even at $13 billion. And we couldn’t sell until after shareholders were able to sell, which knocked the value of the stock down. All this was so complicated, and Wall Street manipulated the whole thing. We have been fighting to get the remaining 30% of the recovery settlement that we still have not received from PG&E. We got some preliminary payments, but most people can’t afford to stay in Paradise. Many people have a distaste because of being victimized, politicized, and not treated fairly.
There’s no hospital anymore; there’s not the medical facilities like they used to be. What are you going to do if you’re 75 and used to [a Kaiser Permanente hospital] down the street? You have to end up going to the Bay Area. Other people left because there is fire after fire in the state, and we couldn’t handle it for health reasons — the smoke, the PTSD. I’ve talked to many people who said, “There’s a fire outside my house, three miles away, and I can see smoke! Oh my gosh, I’m going to die!” Every once in a while, when the power goes out, I freak out. And imagine living in Paradise, where they have all those fires around them.
It’s been hard. Financially, I had been set up. My highest payment in Paradise was my [home owner’s association] fee — they’d just raised it to $320, and we were really complaining about that. Now I’m paying rent of $1,500-something a month, and with utilities, it’s like $1,900.
I worry about my future. I shouldn’t — I know God’s going to take care of me — but some days I do.
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Plus more insights from Heatmap’s latest event Washington, D.C.
At Heatmap’s event, “Supercharging the Grid,” two members of the House of Representatives — a California Democrat and a Colorado Republican — talked about their shared political fight to loosen implementation of the National Environmental Policy Act to accelerate energy deployment.
Representatives Gabe Evans and Scott Peters spoke with Heatmap’s Robinson Meyer at the Washington, D.C., gathering about how permitting reform is faring in Congress.
“The game in the 1970s was to stop things, but if you’re a climate activist now, the game is to build things,” said Peters, who worked as an environmental lawyer for many years. “My proposal is, get out of the way of everything and we win. Renewables win. And NEPA is a big delay.”
NEPA requires that the federal government review the environmental implications of its actions before finalizing them, permitting decisions included. The 50-year-old environmental law has already undergone several rounds of reform, including efforts under both Presidents Biden and Trump to remove redundancies and reduce the size and scope of environmental analyses conducted under the law. But bottlenecks remain — completing the highest level of review under the law still takes four-and-a-half years, on average. Just before Thanksgiving, the House Committee on Natural Resources advanced the SPEED Act, which aims to ease that congestion by creating shortcuts for environmental reviews, limiting judicial review of the final assessments, and preventing current and future presidents from arbitrarily rescinding permits, subject to certain exceptions.
Evans framed the problem in terms of keeping up with countries like China on building energy infrastructure. “I’ve seen how other parts of the world produce energy, produce other things,” said Evans. “We build things cleaner and more responsibly here than really anywhere else on the planet.”
Both representatives agreed that the SPEED Act on its own wouldn’t solve all the United States’ energy issues. Peters hinted at other permitting legislation in the works.
“We want to take that SPEED Act on the NEPA reform and marry it with specific energy reforms, including transmission,” said Peters.
Next, Neil Chatterjee, a former Commissioner of the Federal Energy Regulatory Commission, explained to Rob another regulatory change that could affect the pace of energy infrastructure buildout: a directive from the Department of Energy to FERC to come up with better ways of connecting large new sources of electricity demand — i.e. data centers — to the grid.
“This issue is all about data centers and AI, but it goes beyond data centers and AI,” said Chatterjee. “It deals with all of the pressures that we are seeing in terms of demand from the grid from cloud computing and quantum computing, streaming services, crypto and Bitcoin mining, reshoring of manufacturing, vehicle electrification, building electrification, semiconductor manufacturing.”
Chatterjee argued that navigating load growth to support AI data centers should be a bipartisan issue. He expressed hope that AI could help bridge the partisan divide.
“We have become mired in this politics of, if you’re for fossil fuels, you are of the political right. If you’re for clean energy and climate solutions, you’re the political left,” he said. “I think AI is going to be the thing that busts us out of it.”
Updating and upgrading the grid to accommodate data centers has grown more urgent in the face of drastically rising electricity demand projections.
Marsden Hanna, Google’s head of energy and dust policy, told Heatmap’s Jillian Goodman that the company is eyeing transmission technology to connect its own data centers to the grid faster.
“We looked at advanced transition technologies, high performance conductors,” said Hanna. “We see that really as just an incredibly rapid, no-brainer opportunity.”
Advanced transmission technologies, otherwise known as ATTs, could help expand the existing grid’s capacity, freeing up space for some of the load growth that economy-wide electrification and data centers would require. Building new transmission lines, however, requires permits — the central issue that panelists kept returning to throughout the event.
Devin Hartman, director of energy and environmental policy at the R Street Institute, told Jillian that investors are nervous that already-approved permits could be revoked — something the solar industry has struggled with under the Trump administration.
“Half the battle now is not just getting the permits on time and getting projects to break ground,” said Hartman. “It’s also permitting permanence.”
This event was made possible by the American Council on Renewable Energy’s Macro Grid Initiative.
On gas turbine backorders, Europe’s not-so-green deal, and Iranian cloud seeding
Current conditions: Up to 10 inches of rain in the Cascades threatens mudslides, particularly in areas where wildfires denuded the landscape of the trees whose roots once held soil in place • South Africa has issued extreme fire warnings for Northern Cape, Western Cape, and Eastern Cape • Still roiling from last week’s failed attempt at a military coup, Benin’s capital of Cotonou is in the midst of a streak of days with temperatures over 90 degrees Fahrenheit and no end in sight.

Exxon Mobil Corp. plans to cut planned spending on low-carbon projects by a third, joining much of the rest of its industry in refocusing on fossil fuels. The nation’s largest oil producer said it would increase its earnings and cash flow by $5 billion by 2030. The company projected earnings to grow by 13% each year without any increase in capital spending. But the upstream division, which includes exploration and production, is expected to bring in $14 billion in earnings growth compared to 2024. The key projects The Wall Street Journal listed in the Permian Basin, Guyana and at liquified natural gas sites would total $4 billion in earnings growth alone over the next five years. The announcement came a day before the Department of the Interior auctioned off $279 million of leases across 80 million acres of federal waters in the Gulf of Mexico.
Speaking of oil and water, early Wednesday U.S. armed forces seized an oil tanker off the coast of Venezuela in what The New York Times called “a dramatic escalation in President Trump’s pressure campaign against Nicolás Maduro.” When asked what would become of the vessel's oil, Trump said at the White House, “Well, we keep it, I guess.”
The Federal Reserve slashed its key benchmark interest rate for the third time this year. The 0.25 percentage point cut was meant to calibrate the borrowing costs to stay within a range between 3.5% and 3.75%. The 9-3 vote by the central bank’s board of governors amounted to what Wall Street calls a hawkish cut, a move to prop up a cooling labor market while signaling strong concerns about future downward adjustments that’s considered so rare CNBC previously questioned whether it could be real. But it’s good news for clean energy. As Heatmap’s Matthew Zeitlin wrote after the September rate cut, lower borrowing costs “may provide some relief to renewables developers and investors, who are especially sensitive to financing costs.” But it likely isn’t enough to wipe out the effects of Trump’s tariffs and tax credit phaseouts.
GE Vernova plans to increase its capacity to manufacture gas turbines by 20 gigawatts once assembly line expansions are completed in the middle of next year. But in a presentation to investors this week, the company said it’s already sold out of new gas turbines all the way through 2028, and has less than 10 gigawatts of equipment left to sell for 2029. It’s no wonder supersonic jet startups, as I wrote about in yesterday’s newsletter, are now eyeing a near-term windfall by getting into the gas turbine business.
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The European Union will free more than 80% of the companies from environmental reporting rules under a deal struck this week. The agreement between EU institutions marks what Politico Europe called a “major legislative victory” for European Commission President Ursula von der Leyen, who has sought to make the bloc more economically self-sufficient by cutting red tape for business in her second term in office. The rollback is also a win for Trump, whose administration heavily criticized the EU’s green rules. It’s also a victory for the U.S. president’s far-right allies in Europe. The deal fractured the coalition that got the German politician reelected to the EU’s top job, forcing her center-right faction to team up with the far right to win enough votes for secure victory.
Ravaged by drought, Iran is carrying out cloud-seeding operations in a bid to increase rainfall amid what the Financial Times clocked as “the worst water crisis in six decades.” On Tuesday, Abbas Aliabadi, the energy minister, said the country had begun a fresh round of injecting crystals into clouds using planes, drones, and ground-based launchers. The country has even started developing drones specifically tailored to cloud seeding.
The effort comes just weeks after the Islamic Republic announced that it “no longer has a choice” but to move its capital city as ongoing strain on water supplies and land causes Tehran to sink by nearly one foot per year. As I wrote in this newsletter, Iranian President Masoud Pezeshkian called the situation a “catastrophe” and “a dark future.”
The end of suburban kids whiffing diesel exhaust in the back of stuffy, rumbling old yellow school buses is nigh. The battery-powered bus startup Highland Electric Fleets just raised $150 million in an equity round from Aiga Capital Partners to deploy its fleets of buses and trucks across the U.S., Axios reported. In a press release, the company said its vehicles would hit the streets by next year.
Cities across the state are adopting building codes that heavily incentivize homeowners to make the switch.
A quiet revolution in California’s building codes could turn many of the state’s summer-only air conditioners into all-season heat pumps.
Over the past few months, 12 California cities have adopted rules that strongly incentivize homeowners who are installing central air conditioning or replacing broken AC systems to get energy-efficient heat pumps that provide both heating and cooling. Households with separate natural gas or propane furnaces will be allowed to retain and use them, but the rules require that the heat pump becomes the primary heating system, with the furnace providing backup heat only on especially cold days, reducing fossil fuel use.
These “AC2HP” rules, as proponents call them, were included in a routine update of California building codes in 2024. Rather than make it mandatory, regulators put the heat pump rule in a package of “stretch codes” that cities could adopt as they saw fit. Moreno Valley, a city in Riverside County, east of Los Angeles, was the first to pass an ordinance adopting the AC2HP code back in August. A steady stream of cities have followed, with Los Gatos and Portola Valley joining the party just last week. Dylan Plummer, a campaign advisor for Sierra Club's Building Electrification Campaign, expects more will follow in the months to come — “conversations are moving” in Los Angeles and Sacramento, as well, he told me.
“This is a consumer protection and climate policy in one,” he said. As California gets hotter, more households in the state are getting air conditioners for the first time. “Every time a household installs a one-way AC unit, it’s a missed opportunity to install a heat pump and seamlessly equip homes with zero-emission heating.”
This policy domino effect is not unlike what happened in California after the city of Berkeley passed an ordinance in 2019 that would have prohibited new buildings from installing natural gas. The Sierra Club and other environmental groups helped lead more than 70 cities to follow in Berkeley’s footsteps. Ultimately, a federal court overturned Berkeley’s ordinance, finding that it violated a law giving the federal government authority over appliance energy usage. Many of the other cities have since suspended their gas bans.
Since then, however, California has adopted state-wide energy codes that strongly encourage new buildings to be all-electric anyway. In 2023, more than 70% of requests for service lines from developers to Pacific Gas & Electric, the biggest utility in the state, were for new all-electric buildings. The AC2HP codes tackle the other half of the equation — decarbonizing existing buildings.
A coalition of environmental groups including the Sierra Club, Earthjustice, and the Building Decarbonization Coalition are working to seed AC2HP rules throughout the state, although it may not be easy as cost-of-living concerns grow more politically charged.
Even in some of the cities that have adopted the code, members of the public worried about the expense. In Moreno Valley, for instance, a comparatively low-income community, six out of the seven locals who spoke on the measure at a meeting in August urged elected officials to reject it, and not just because of cost — some were also skeptical of the technology.
In Glendale, a suburb of Los Angeles which has more socioeconomic diversity, all four commenters who spoke also urged the council to reject the measure. In addition to cost concerns, they questioned why the city would rush to do something like this when the state didn’t make it mandatory, arguing that the council should have held a full public hearing on the change.
In Menlo Park, on the other hand, which is a wealthy Silicon Valley suburb, all five speakers were in support of the measure, although each of them was affiliated with an environmental group.
Heat pumps are more expensive than air conditioners by a couple of thousands of dollars, depending on the model. With state and local incentives, the upfront cost can often be comparable. When you take into account the fact that you’re moving from using two appliances for heating and cooling to one, the equipment tends to be cheaper in the long run.
The impacts of heat pumps on energy bills are more complicated. Heat pumps are almost always cheaper to operate in the winter than furnaces that use propane or electric resistance. Compared to natural gas heating, though, it mostly depends on the relative cost of gas versus electricity. Low-income customers in California have access to lower electricity rates that make heat pumps more likely to pencil out. The state also recently implemented a new electricity rate scheme that will see utilities charge customers higher fixed fees and lower rates per kilowatt-hour of electricity used, which may also help heat pump economics.
Matthew Vespa, an senior attorney at Earthjustice described the AC2HP policy as a way to help customers “hedge against gas rates going up,” noting that gas prices are likely to rise as the U.S. exports more of the fuel as liquified natural gas, and also as gas companies lose customers. “It’s really a small incremental cost to getting an AC replaced with a lot of potential benefits.”
The AC2HP idea dates back to a 2021 Twitter thread by Nate Adams, a heat pump installer who goes by the handle “Nate the House Whisperer.” Adams proposed that the federal government should pay manufacturers to stop producing air conditioners and only produce heat pumps. Central heat pumps are exactly the same as air conditioners, except they provide heating in addition to cooling thanks to “a few valves or ~$100-300 in parts,” Adam said at the time.
The problem is, most homeowners and installers are either unfamiliar with the technology or skeptical of it. While heat pumps have been around for decades and are widespread in other parts of the world, especially in Asia, they have been slower to take off in the United States. One reason is the common misconception that they don’t work as well as furnaces for heating. Part of the issue is also that furnaces themselves are less expensive, so heat pumps are a tougher sell in the moment when someone’s furnace has broken down. Adams’ policy pitch would have given people no choice but to start installing heat pumps — even if they didn’t use them for heating — getting a key decarbonization technology into homes faster than any rebate or consumer incentive could, and getting the market better acquainted with the tech.
The idea gained traction quickly. An energy efficiency research and advocacy organization called CLASP published a series of reports looking at the potential cost and benefits, and a manufacturer-focused heat pump tax credit even made its way into a bill proposal from Senator Amy Klobuchar in the runup to the 2022 Inflation Reduction Act. While rules that target California homeowners obviously won’t have the nation-wide effect that Adams’ would have, they still have the potential to send a strong market signal, considering California is the fifth largest economy in the world.
The AC2HP codes, which start going into effect next year, will help smooth the road to another set of building electrification rules that will apply in some parts of the state beginning in 2029. At that point, households in the Bay Area will be subject to new air quality standards that require all newly installed heating equipment to be zero-emissions — in other words, if a family’s furnace breaks down, they’ll have to replace it with a heat pump. State regulators are developing similar standards that would apply statewide starting in 2035. The AC2HP rule ensures that if that same family’s air conditioner breaks between now and then, they won’t end up with a new air conditioner, which would eventually become redundant.
The rule is just one of a bunch of new tools cities are using to decarbonize existing buildings. San Francisco, for example, adopted an even stricter building code in September that requires full, whole-home electrification when a building is undergoing a major renovation that includes upgrades to its mechanical systems. Many cities are also adopting an “electrical readiness” code that requires building owners to upgrade their electrical panels and add wiring for electric vehicle charging and induction stoves when they make additions or alterations to an existing building.
To be clear, homeowners in cities with AC2HP laws will not be forced to buy heat pumps. The code permits the installation of an air conditioner, but requires that it be supplemented with efficiency upgrades such as insulating air ducts and attics — which may ultimately be more costly than the heat pump route.
“I don’t think most people understand that these units exist, and they’re kind of plug and play with the AC,” said Vespa.