Energy efficiency
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Energy efficiency
Google's huge solar buys help fund efficiency fixes for low-income homes
In partnership with Sol Systems, the tech giant is using a slice of its clean-energy investments for repairs and efficiency upgrades in lower-income communities.By Jeff St. John .
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Energy efficiency
Foam panels can turn old abodes into energy-efficient homes of the future
A research team at the National Renewable Energy Laboratory is using machine learning and AR headsets to speed up energy retrofits for residences.By Alison F. Takemura .
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Electrification
Rebates for home energy upgrades are coming soon. Here’s how to plan
A home-energy expert offers 5 to-dos for households eager to ditch their fossil-fuel appliances with help from the High-Efficiency Electric Home Rebate Act.By Maria Gallucci .
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Carbon-free buildings
Interactive: Turn this old house into your clean-energy dream home
How can you make a home more climate-friendly and more comfortable? Here's the technology you need, plus the steps to get you there.By Alison F. Takemura .
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Electrification
Home of the future: Climate-friendly, electrified and closer than ever
The technology and policies are falling into place. But we’ll need a revolution in U.S. home retrofit business models and financing to scale up enough to meet the climate challenge.By Jeff St. John .
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Energy efficiency
Which states could gain the most from energy-saving building codes?
There's federal money on the table to help states modernize their building energy codes. But some states could benefit from it more than others.By Alison F. Takemura .
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Energy efficiency
Leaky air ducts can undermine heat-pump performance. Aeroseal has a fix
After decades of steady growth, a tech that seals air ducts from the inside out may be poised to take off, thanks to new heat-pump and efficiency incentives.By Jeff St. John .
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Energy equity
Low-income families don't get a fair share of energy-efficiency funds
Utility programs that help residents cut energy costs are leaving out low-income households. What are the fixes?By Alison F. Takemura .
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Heat pumps
Heating will be costly this winter, but much less so with a heat pump
Federal forecasts have warned about high heating bills, yet they don't account for the much greater efficiency of electric pumps, says pro-electrification group Rewiring America.By Jeff St. John .
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Guest essay
Why green banks should be able to finance upgrades to old buildings
Green banks are getting billions from the Inflation Reduction Act. The Biden administration should allow them to invest some of it in building renovations in city centers.By Patrice Frey, Calvin Gladney .
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