Energy efficiency
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Energy efficiency
This simple score can help you find an energy-efficient home
A growing number of cities are mandating Home Energy Scores, a metric that makes it easy for potential renters or homebuyers to grasp a home’s energy use.By Alison F. Takemura .
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Podcast
Tackling the tough stuff: steel, cement and chemicals
Exploring the difficult pathways to decarbonizing the industrial sector.PlayBy Stephen Lacey . 48 min .
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Carbon-free buildings
Boston skyscraper named world’s biggest 'Passive House' office
The building, which will use far less energy than a conventional design, is the latest example of the efficiency standard’s growing popularity.By Alison F. Takemura .
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Energy efficiency
These startups are using AI to cut energy waste from buildings
Buildings use — and waste — an enormous amount of energy. A growing number of startups are trying to wield buzzy AI technologies to fix this problem.By Jeff St. John .
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Utilities
Duke Energy will cover upfront costs of home efficiency upgrades
In what could be the largest such effort from a big investor-owned utility, the program will recoup costs over time via low on-bill payments from customers.By Elizabeth Ouzts .
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Heat pumps
New plan aims to quadruple heat-pump adoption in 25 states
The pledge, which covers 55% of the population, calls for accelerating home decarbonization by deploying 20 million heat pumps by 2030.By Jeff St. John .
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Carbon-free buildings
NYC’s big building-decarbonization law faces its first major test
Landlords and climate activists are sparring over the future of Local Law 97 — the country’s most ambitious citywide mandate to clean up building emissions.By Jeff St. John .
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Heat pumps
Heat pumps outperform boilers and furnaces — even in the cold
Some utilities and fossil-fuel interests like to say heat pumps don’t work in the cold. A new study provides yet more evidence to debunk that myth.By Alison F. Takemura .
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Energy efficiency
Redaptive lands $125M to expand no-money-down building efficiency
“Energy-as-a-service” providers like Redaptive take on the upfront cost of building energy upgrades — and use sensors and data to prove the work pays off over time.By Jeff St. John .
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Energy efficiency
Why efficient buildings are key to decarbonizing the power grid
New data shows that efficient, grid-responsive buildings would make a zero-carbon grid $100B cheaper per year — if utilities and policymakers can act in time.By Jeff St. John .
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