storage

Harvest’s smart thermal battery breaks $11 million funding mark

Earth Foundry has led a just-closed $4 million round to support Harvest Thermal’s smart thermal battery which has been designed to make heat pumps smarter, more efficient and cheaper to operate.
Harvest’s smart thermal battery breaks $11 million funding mark
Courtesy of Harvest Thermal.

A just-closed $4 million funding round led by Earth Foundry included follow-on investments from MUUS Climate Partners and Starshot Capital, as well as new investment from partners including Portfolia, the world’s largest fund of women investors. Combined with grant funding from the National Science Foundation, the California Energy Commission, and other private investors, the investment in Harvest Thermal totals over $11 million.

New tech must be clean, cost-competitive and improve the user experience over fossil fuels if building decarbonisation is to succeed at scale. Harvest Thermal is aiming for its smart thermal battery to do just that.

Each Harvest system reduces 55 tons of CO2 throughout its life - equivalent to switching to an EV from a gas car.

“We’ve designed our smart thermal battery heating system to have an extraordinary climate impact” said CEO Jane Melia. “I’m grateful for the confidence these premier climate tech investors have placed in Harvest Thermal. They have given us a runway to diversify our product line, expand into new markets, and reach more customers while making homes sustainable for a more livable future.”

The company’s core product provides space heating and hot water with a single heat pump married to a water battery. The Harvest Pod, the brains of the system, decouples the operation of the heat pump from household heating needs – and from when CO2 emissions are highest. It runs the heat pump during the day when solar energy is cheap and plentiful and releases stored heat and hot water into the home whenever needed. 

“Harvest Thermal has unlocked the decarbonisation potential of heat pumps with its smart thermal battery” added Earth Foundry’s Sara Chamberlain. “With space heating and hot water comprising nearly two-thirds of home energy use, decarbonising heating and hot water has the greatest climate impact a household can make.”

Harvest Thermal has achieved wide recognition for its novel climate tech. It won the Consortium of Energy Efficiency’s Integrated Home Competition award and was featured in a  popular science YouTube video on Matt Ferrell’s Undecided channel with over 500,000 views.

For additional information:

Harvest Thermal

Earth Foundry

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