By
Felix Remennik

A new study from home energy intelligence firm 257 analyzed over 500,000 U.S. home sales between 2024 and 2025 and found something worth paying attention to if you're a Bay Area homeowner: homes with rooftop solar or high-efficiency heat pumps sell for 1-2% more than comparable properties without them.
On a $1.5 million Bay Area home, that's $15,000-$30,000 in added resale value - on top of the energy savings accumulated over years of ownership. And homeowners who actively highlight these features in their listings can recoup 27-33% of their original installation cost at resale, according to the study's analysis of 2026 average installation figures.
The broader picture is just as telling. Only 8% of listings last year advertised energy efficiency features - yet that share has nearly tripled since 2015. As energy affordability and grid reliability become bigger concerns for buyers, a home that already has lower running costs is becoming an increasingly tangible selling point, not just a nice-to-have.
The 257 study covers solar and heat pumps, but the underlying logic applies to the full electrification picture. Buyers are paying more for homes that cost less to run. A home with solar, a heat pump for heating and cooling, and a heat pump water heater is a fundamentally different proposition than one still dependent on gas and grid electricity at peak rates - and the market is starting to reflect that.
Harvest customers are building exactly that kind of home. One installation covers heating, cooling, hot water, and thermal storage, all managed on a single platform that syncs with solar production and time-of-use rates. The result is a home that runs on the cheapest, cleanest energy available - and can demonstrate that clearly to any future buyer.
That's a story that's easy to tell in a listing. And with Bay Area home values where they are, it's a story worth telling well.