For the first time, a majority of U.S. homes are heated by heat pumps

Story: 2040 C.E.  |  Last updated: January 16, 2026

Note: This is an imagined future story, written as if a projected milestone has occurred. It is based on current trends and evidence, not confirmed events.

In 2040 C.E., the U.S. has crossed a threshold that once seemed distant: for the first time, more than half of American homes are now heated primarily by heat pumps. The milestone — reached this winter as updated federal housing data confirmed roughly 75 million units running on the technology — marks the end of a decades-long transition away from fossil-fuel furnaces that began in earnest in the early 2020s.

Key projections

• Heat pump adoption: An estimated 51% of U.S. residential units now use heat pumps as their primary heating source, up from 16% in 2025 C.E.
• Cold-climate technology: Third-generation cold-climate heat pumps, now standard across major manufacturers, operate reliably at −30°F — a threshold that had confined early adoption mainly to the South and mid-Atlantic.
• Market size: The U.S. residential heat pump market surpassed $50 billion annually in 2039 C.E., reflecting nearly 15 years of compounding growth from the 9.5% annual rate recorded through the early 2030s.

How the tipping point arrived

The story of heat pump adoption in 2040 C.E. is not one dramatic invention. It is a slow accumulation of smaller shifts — in technology, economics, and policy — that eventually produced an irreversible momentum.

Heat pumps first outsold gas furnaces in the U.S. in 2022 C.E. By 2025 C.E., the International Energy Agency was already reporting a 15% annual sales increase, with a 30% jump in the second half of that year alone. The gap widened steadily through the late 2020s.

New construction did the heavy lifting early on. By 2024 C.E., 54% of new homes were already built with electric heating as primary, and heat pumps had become the default in Southern states, where they had long made economic sense. The retrofitting of existing homes — the harder problem — came later.

Cold climates finally came around

The northern tier of the country was the last major holdout. For years, homeowners in Minnesota, Maine, and Michigan reasonably worried that heat pumps couldn’t handle brutal winters.

That barrier fell faster than most analysts expected. In 2024 C.E., Carrier completed the U.S. Department of Energy’s Cold Climate Heat Pump Challenge, demonstrating full capacity at 0°F and reliable operation at −13°F. Within a few years, enhanced vapor-injection compressors and adaptive defrost algorithms had pushed reliable operation well below −20°F. European precedent mattered here too: Norway had already equipped 60% of its buildings with heat pumps by the mid-2020s, undercutting the argument that cold winters made the technology impractical.

By the early 2030s, roughly 12 million single-family homes in the northern tier that had relied on oil or propane had become a primary retrofitting target — and a major driver of market growth.

Policy shaped the pace

Federal and state policy played a significant accelerating role. The Inflation Reduction Act’s heat pump tax credits and rebate programs, launched in the mid-2020s, made upgrades financially accessible for millions of middle-income households. Several states layered additional incentives on top, and energy efficiency standards from groups like the American Council for an Energy-Efficient Economy pushed manufacturers toward higher-performance baselines.

Utility programs mattered too. By the early 2030s, more than 30 states had time-of-use electricity rates that made off-peak heat pump operation substantially cheaper than gas heating. That pricing shift — invisible to most consumers, but felt in monthly bills — accelerated adoption in ways that subsidies alone could not.

Stories like the rapid global expansion of renewable electricity capacity also changed the climate math for heat pumps. As the grid got cleaner, the emissions advantage of switching from gas to a heat pump grew sharper.

What the transition has meant — and what remains

The shift to heat pump heating has reduced residential natural gas consumption significantly and cut millions of tons of annual carbon emissions. It has also reduced household exposure to indoor air pollution from gas combustion, a benefit that has fallen disproportionately on lower-income communities — where gas stoves and furnaces had been most prevalent and least maintained.

Indigenous and rural communities, particularly those in remote northern regions historically dependent on expensive heating oil, have seen some of the sharpest economic relief. Advocacy work that paralleled broader climate negotiations — including landmark land and resource rights agreements like Indigenous land rights victories at COP30 — helped push equitable energy access onto federal retrofit program agendas.

Still, the transition is uneven. The roughly 49% of homes not yet using heat pumps skew heavily toward older housing stock, lower-income households, and regions where grid reliability remains inconsistent. Upfront installation costs — even after rebates — remain a barrier for many renters and homeowners who lack access to financing. The milestone of 50% is genuinely worth marking. The work is not finished.

And the grid itself is under new pressure. The U.S. Energy Information Administration projects that residential electrification, including heat pumps, will add meaningful load to electricity demand through the 2040s — requiring continued investment in transmission, storage, and generation capacity to keep the system stable and the emissions gains real.

Read more

For more on this story, see: International Energy Agency — The Future of Heat Pumps

For more from Good News for Humankind, see:

• Renewables now make up at least 49% of global power capacity
• Indigenous land rights: 160 million hectares recognized at COP30
• The Good News for Humankind archive on climate and environment

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