All the news that's fit to Harvest.

We’ve long been told to use electricity at night—but in solar-powered California, the cleanest power comes midday. Learn how Harvest makes home heating smarter by tapping into that abundant daytime energy.

Starting in 2027, the Bay Area will require all new water heaters to be zero-NOx. That means gas systems are out—and all-electric alternatives like heat pumps are in. For developers and building owners, now is the time to plan ahead. Learn how Harvest helps you switch early, avoid supply chain headaches, cut costs, and stay competitive with flexible, future-ready thermal storage.

25C and 25D Tax Credits for Heat Pumps?

Leadership transition allows the cleantech company to accelerate growth and expand adoption of next-gen home electrification and heating technology 

The humble heat pump water heater (HPWH) is a powerful, often-overlooked climate solution that cuts emissions, and lowers energy use.

Michael J. Coren spoke with Harvest’s co-founder Dr. Jane Melia to explore this story for the Washington Post. 

California’s SB 282 aims to streamline heat pump permitting and accelerate adoption. With the bill now in Appropriations, it could play a key role in hitting the state’s climate targets.

Harvest touches down at Fort Mason in SF this Thursday.

Discover how air-to-water heat pumps work, why they're the future of home heating, and how Harvest makes switching easy, smart, and sustainable.

If the future is hotter, we need better cooling solutions, not just more cooling. Traditional air conditioners, while essential in certain temperatures, can be energy hogs, leading to high electricity bills and increased emissions. That’s where smart energy management comes in.

We’re proud to be featured by The Cool Down for our Smart Thermal Battery™—a smarter, cleaner, and more cost-effective way to heat and cool homes.

Berkeley just raised the bar for home energy upgrades. Starting in 2026, clean energy improvements will be mandatory at the point of sale—and Harvest is ready to help.

Harvest co-founder Jane Melia joined a powerhouse panel at the ATHENA Summit in LA, highlighting bold women leaders reshaping systems across tech, climate, and culture.

During SF Climate Week, we skipped the slides and opened a real Harvest family's home in San Francisco, giving guests a firsthand look at clean energy that's seamless, comfortable, and achievable today.

Harvest Thermal is joining the Love Our Earth Festival 2025 to showcase our smart thermal battery system and celebrate community-driven climate action.

Harvest and WattCarbon have completed their first EAC-funded decarbonization projects, deploying smart thermal battery technology and high-efficiency heat pumps to deliver real-world carbon reductions in underserved communities.

Join us during SF Climate Week for a live demo of the Smart Thermal Battery and a garden party at a real Harvester’s home in San Francisco.

Harvest makes TIME’s list of America’s Top GreenTech Companies for the second year in a row, recognized for cutting emissions and making home energy cleaner, smarter, and more affordable.

Heat pumps are revolutionizing home heating by cutting emissions and saving costs. Here's how Harvest’s smart technology takes their efficiency to the next level for even greater savings and environmental impact.

A White Lotus-inspired deep dive into traditional Thai architecture and passive cooling reveals how we can ditch energy-guzzling A/C for smarter, more sustainable solutions—like Harvest’s modern take on thermal efficiency.

Embrace the power of the Spring Equinox by shifting your energy usage to sunnier, off-peak hours, and let Harvest help you save up to 34% on your bills while reducing your carbon footprint, all while keeping your home comfortable and efficient throughout the season.

Harvest Sub is a heat pump. And a subwoofer. And it just might save the world.

Embrace the power of the Spring Equinox by shifting your energy usage to sunnier, off-peak hours, and let Harvest help you save up to 34% on your bills while reducing your carbon footprint, all while keeping your home comfortable and efficient throughout the season.

Celebrating badass women leading the energy revolution and shaping a cleaner, smarter future. ⚡💡

Efficient heating needs more than electrification—heat pumps, insulation, and smart management cut emissions and costs.

Jane Melia, CEO of Harvest Thermal, honored on Inc.’s Female Founders 2025 list for her leadership and innovation in sustainable home energy solutions.

The UK is pushing forward with an ambitious plan to install heat pumps in half of all homes by 2040 to meet net-zero targets, demonstrating the importance of strong government action—something the U.S. risks falling behind on due to political opposition.

Harvest CEO Jane Melia joins Daikin and Atlas Public Policy on Buildings Hub Live to discuss how smart thermal storage, heat pumps, and policy incentives are transforming home energy efficiency.

Yellow Dot Studios is flipping the script on climate storytelling, using Hollywood’s reach to cut through disinformation and turn climate action into compelling, culture-shifting entertainment.

Harvest's smart thermal battery makes its way into multifamily housing at Eden Palms in

As the HVAC industry races to phase out high-global-warming-potential refrigerants, we at Harvest are exploring what this shift means for homes, businesses, and the climate.

A Comprehensive Guide to What Heat Pumps Are and What They Can Do for You

A Comprehensive Guide to What All The Energy Terms Actually Mean

The Super Bowl is a high-energy spectacle, balancing massive power use with growing efficiency efforts.

Our co-founder and CEO Jane Melia sits down for the CleanTechies podcast to talk all things home energy, heat pump technology, and the future of energy.

What the HVAC Dope Show has to say about Harvest.

Brand-new incentives from TECH Clean CA make Harvest the cheapest way to HVAC in California - $11.5k cheaper.

Join Harvest in person at VERGE 2024 - or on Reddit - this week.

The grant will make next-generation technology more accessible to American homeowners.

Harvest joins the industry leaders for climate tech at New York Climate Weeks

Harvest lost the Earthshot prize. But that doesn't mean we're losers.

What's a sustainable job, really? Isaias Hernandez - aka Queerbrownvegan - created the Sustainable Jobs series to answer that question.

Harvest is popping up in LA and Walnut Creek this weekend. Join us?

The California Energy Commission awarded Harvest a $1.65 million RAMP grant to scale up production and deliver the smartest HVAC on Earth at a faster clip.

Can solutions like load-shifting scale to planetary dimensions to offset the explosion of energy demand from energy monsters like AI?

Harvest CEO Jane takes a trip to meet with global decarbonization innovators.

Harvest CEO Jane Melia on the Volts podcast. Who could ask for more?

Harvest’s groundbreaking Smart Thermal Battery™ won the Grand Prize for Innovative Housing Concepts - Construction Technology for its project at a KB Home development in Manteca, CA.

Kayalin Akens-Irby, head of growth at Planet FWD, speaks with Isaias Hernandez (aka QueerBrownVegan) about the enormous growth opportunity for companies building a consumer brand with gigaton-scale impact.

Former SF Giant Hunter Pence talked with Harvest CEO Jane Melia and Impulse CEO Sam D'Amico on stage at SF Climate Week 2024.

The future's bright, comfy, and fun - especially for the Gigaton Salon, at SF Climate Week.

Harvest’s Smart Thermal Battery™ was named Finalist in the Reuters Global Energy Transition 2024 competition, one week after being named to TIME magazine’s GreenTech Companies 2024 list.

We're lifting up the story of Alice H Parker a Black woman who invented and patented a zoned gas heating system -- despite systemic discrimination at the time.

Our groundbreaking Harvest Pod® just got a major upgrade enabling more homes to decarbonize their heating, cooling, and hot water while saving on energy bills.

Hopeful news: Heat pumps are breakthrough. Global CO2 emissions are down. And Harvest's upfront costs are lower than a gas furnace and water heater.

We’ve changed our colors and shortened the name. But we’re still innovating to make your home cozy and fossil-free.

Harvest total funding exceeds $11M with round from Starshot Capital, MUUS Climate Partners, Earth Foundry, and Portfolia

Harvest Lands the Cleantech 50 to Watch. Cleantech Group honors Harvest's innovative heat pump solution by naming company to top 50 watch list

Check out Matt Ferrell's Undecided deep dive on the benefits of CO2 refrigerants, and how Harvest excels at reducing emissions

Harvest Smart Thermal Battery wins efficiency award at Consortium of Energy Efficiency

Harvest leadership team expands with veterans from Daikin and Google to help lead growth across Sales and Marketing

Harvest Thermal partners with Small Planet Supply to expand service to the Pacific Northwest, including Oregon, Washington, and British Columbia

Harvest receives honor of being named to Fast Company's annual list of most innovative startups

Harvest Seed Raise Starshot Capital

BlocPower Engages Harvest Thermal to Supercharge Heat Pump Projects

Harvest Thermal Lands Top Prize at VERGE 2022 Pitch Competition

Jane Melia: Named 100 Women of Influence

Harvest Named Top 50 Startup!

Harvest Thermal Named ‘Best Company’ at Internet 2.0 Conference

Harvest closes seed round successfully

Throwing Down, Down Under

Harvest Thermal recognized in Turner MIINT Competition

Why “Harvest” in Harvest Thermal?

National Science Foundation Award

Joules Accelerator - Cohort #7

The electric grid isn’t broken—it just needs smarter backup. Thermal batteries, from heavy industry to home hot water, are unlocking a cleaner, more resilient future.

Inspired by Finland’s sand battery, Harvest brings the power of thermal storage into homes—cutting emissions, lowering bills, and making clean energy more practical, personal, and immediate. Ask ChatGPT

From magnetic fridges to chip-powered chill—explore the futuristic cooling tech that could replace traditional AC, and what you can do now to stay cool and climate-smart.

We ranked the top 10 A/C units of 2025—five that are clever and climate-resilient, and five that are just plain fun. From antique cooling tricks to the smartest clean tech on the market, this list has something for every kind of summer. Ask ChatGPT

California Heat Pump Rebates make it the best time to purchase Harvest

EVs are getting smarter about comfort—and heat pumps are leading the way. From Tesla’s octovalve to Rivian’s Camp Mode, HVAC is quietly powering the future of how we move and live.

California’s Energy Smart Homes program is offering up to $12,150 in rebates for going all-electric with space heating, water heating, and cooking—especially when you install Harvest.

California tech meets Santa Fe charm. Harvest is bringing smarter heating and cooling to the Land of Enchantment—starting with adobe homes and lower bills.

After the devastating LA wildfires, residents face tough decisions about rebuilding. But one thing is clear: going all-electric is safer, cheaper, and more resilient. Harvest sat down with USGBC-CA leaders to talk about how fire-impacted communities can rebuild smarter, healthier homes—together.

A breakthrough in zinc-ion battery tech—powered by AI—could unlock safer, cheaper, and more stable energy storage. Here’s why that matters for the clean energy future.

Missed our event with Copper? Catch the top questions and real answers about rebates, retrofits, and what it actually takes to electrify your home—plus why now’s the time to act.

A warm welcome to our new followers—here’s everything you need to know about Harvest, what we build, and how to dive deeper.

Harvest joined the East Bay Green Home Tour with three real-world installations, showing how smart electrification is already transforming homes across the Bay Area.

Harvest is bringing clean energy to the people who need it most—starting with affordable multifamily housing. By integrating thermal storage, reusing existing infrastructure, and unlocking major savings, we’re helping developers cut costs, meet regulations, and futureproof their buildings—all while making all-electric living more accessible for residents.

Massive new rebates in California's Central Coast make Harvest’s smart heat pump systems more affordable than ever—bringing high-efficiency comfort and big savings to local homeowners.

Thinking of replacing your gas furnace? Heat pumps offer a cleaner, more efficient alternative—especially with thermal storage tech like Harvest, cutting energy bills and emissions for a smarter home heating solution.

At the AHR Expo, industry experts highlighted a major shift towards using water as a heat transfer medium in HVAC systems, offering more sustainable and climate-friendly solutions, and Harvest is already ahead of the curve with its SANCO2 air-to-water heat pump system.

Finding the right heat pump depends on your home type, from compact condos to sprawling farmhouses, and with options like Harvest’s ultra-efficient air-to-water system, there’s a solution for every space—ensuring comfort, energy savings, and a future-proof setup.

It may not be cold outside yet, but winter is indeed coming. And there's no better time to get ahead of a major furnace upgrade than right now.

Harvest-certified Larratt Brothers Plumbing is a SF Bay Area installer focused on the future. We spoke with owner Aaron Gianni about what attracted him to Harvest and how he's made the installation process easier for everyone.

Yes, people do actually save money with Harvest. Here's some video proof.

It's official: Cold climate = highest energy bills. And Harvest can help! Our Smart Thermal Battery saves on bills more than any other heat pump system. Check us out!

In our third and final segment with Nik Ingle, we talk about what happens after a Harvest system is installed. What to expect in those first few hours and how remote monitoring makes everyone’s life easier. With remote monitoring, we help diagnose the system so the installer can solve the problem quickly and easily.

In Part 2 of our interview with Nik, we take a dive into the installation process and how contractors and our advanced tech successfully place homeowners on the path to home decarbonization.

Nik Ingle is on a mission to delight homeowners with the most sustainable and cost-effective HVAC and hot water. In this interview, we explore how Nik prepares homeowners for their journey with Harvest to ensure it fits seamlessly into their lives. 

Which has the bigger climate impact: your car or your HVAC? Turns out home heating and hot water has higher carbon emissions than driving.

Energy Smart Homes rewards recently-installed Harvest systems with $6,350 for electrifying all the major appliances in a home.

True to the intentions of the Sea Ranch community, resident Dan Wood installed a Harvest system as part of a broader effort to protect the Coast from the ravages of climate change.

Ready for Harvest? Nik Ingle spills the tea on what it's really like!

Personal action to address the climate crisis gets a bad rap for requiring sacrifice. But Dr. Ayana Elizabeth Johnson flips the script on in a New York Times interview that we love.

In Part 3 of our interview with QuitCarbon’s Cooper Marcus, we talk dollars and cents.

The recent spike in your electric bills doesn't mean you have to abandon your electrification dreams. Harvest is designed from the ground up to cut monthly energy bills – more than any other heat pump solution. We do this by shifting the time you consume energy to the cheapest time of the day - that’s why we call it the smartest heating on Earth.

In Part 2 of our interview with Cooper Marcus we explore common misconceptions of home electrification and talk why electrification is not only inevitable, but cleaner, healthier and less expensive.

QuitCarbon helps everyone electrify their homes. An Interview with Founder and CEO Cooper Marcus, Part 1

Can you reduce your upfront costs with inexpensive insulation? Here's How to Electrify Your Home Affordably

Harvest is now the cheapest and most effective way to decarbonize your home -- both cheaper to install and cheaper on your monthly bills. 

From Passive House to Your House

Peninsula Clean Energy Customers are queuing up for Low Carbon Heating and Hot Water

Find Harvest Thermal at Stop #7 on the East Bay Green Home Tour

A brief roundup of the Top 10 Heat Pumps of 2025

Air-to-water heat pumps are all the rage, and for good reason.

It sounds cool, because it is: zonal decarbonization. What can SB1221 do for neighborhoods?

Heat Pump Water Heater Day is here! Harvest transforms a HPWH into a Smart Thermal Battery.

Carrier has announced an HVAC system with an integrated battery. Sounds familiar.

We spend our lives moving from air-conditioned box to air-conditioned box. How did this happen?

Our Smart Thermal Battery can remove 3 MW of peak power from the grid for every 1,000 homes installed with Harvest.

A brief roundup of the Top 10 Heat Pumps on the planet.

Heat pump's awesomeness can be better understood by their use outside the home. We went all the way to outer space to see how the concept of thermal energy transfer works even in the extremes of the cosmos.

Harvest interviewed Julia Yrani, co-founder and President of Onsemble, the developer of an app that makes decarbonizing homes simple.

Harvest replaced gas home and water heating systems with its smart thermal battery in four homes in San Mateo County. We’re proud to report key findings from the pilot.

Watch as Irbis HVAC takes us on a tour of a Harvest installation. They call it the future of home heating.

Harvest helps bring Title 24 compliance with unique energy saving solution. A novel, climate-friendly, and cost-effective tool to help project developers meet code requirements.

Harvest California Grid Flexibility Trial

Harvest Thermal Best in Class to Meet New CA Building Codes

California Cities Lead the Home Energy Revolution

With wildfires and indoor pollutants like gas stoves on the rise, protecting your home’s air quality has never been more critical.

Small changes, big impact: Practical carbon-cutting resolutions to reduce emissions and inspire greener communities in 2025.

HVAC + hot water maintenance for heat pumps isn't always very hard. Here are some things you can do now.

Heat pumps are many things to many people, for great reasons. Here are some of them - and how to take advantage of the associated incentives.

A new study confirms the benefits of replacing gas with all-electric heat pumps

We can't dig our way out of the growing carbon bubble with efficiency alone ... Harvest uses a different metric.

Not all states' electric grids are created equal. Find out how clean your grid is and how Harvest helps cut emissions wherever you live.

We look into the future of heat pump water heaters in Part 3 of our series on heat pump water heaters. How will their costs compare to gas? And what will grid flexibility mean to the homeowner with thermal storage in their tank? Pierre Delforge explains the economics of the electric grid why thermal storage gives consumers the biggest bang for their buck.

A Harvest incentives calculator doesn't exist yet - for good reason. This can begin to tide you over.

In part 2 of our conversation with Pierre Delforge, we take a look at incentives for heat pump hot water heaters that makes now a great time to buy one. If your heat pump water heater is a thermal battery, you'll compound your savings for years to come.

Heat Pump Water Heaters - what are they, and why are they so helpful for homeowners? How do they differentiate from other types of heat pumps, and what type of homes are they the best fits for?

Dive deep into the differences between heat pump types with Harvest's COO. Learn all about Heat Pump Water Heaters and the emission and cost savings they provide.

Heat Pump Hot Water Heater - a smart choice for homeowners to save money, help the environment, and heat homes more comfortably

Home battery storage sees new innovation with Harvest's smart thermal battery solution. Designed for both hot water and home heating, saves on gas bills with an electric HVAC system

Leveraging a Cleaner Grid