Energy efficiency

Weatherization can keep you cool this summer — and warm next winter

Insulating, weatherstripping, and sealing your home could make it much more energy efficient, keeping you comfy for less money while helping out the grid.

By Alison F. Takemura . 11 July 2024

Person in blue installing pink fiberglass insulation — (Erik Mclean/Unsplash)

Carbon-free buildings

This Colorado community is already living in the all-electric future

In the Geos neighborhood, heat pumps, solar and energy efficiency abound. The net-zero community offers a glimpse into what a decarbonized home can look like.

By Alison F. Takemura . 26 February 2024
Heat pumps

Renters, you too can get a heat pump — a micro one, at least

"Micro” heat pumps aren’t as powerful as whole-home versions, but they’re portable, plug into a 120V outlet — and they’re increasingly effective in the cold.

By Alison F. Takemura . 7 February 2024
Energy efficiency

A novel way to improve energy efficiency: Take over the utility bill

Budderfly lands $400M for no-money-down small-business energy retrofits, backed by a pledge to pay its customers’ utility bills and share the efficiency savings.

By Jeff St. John . 23 January 2024
Electrification

How to get people to kick fossil fuels out of their homes

A new study of 10,000 Americans suggests decarbonization programs should focus on reducing upfront costs and emphasize health, comfort — and even aesthetic benefits.

By Alison F. Takemura . 8 January 2024
Electrification

Yes, it’s possible to electrify a home on just 100 amps

It may require careful planning and efficient appliances like heat pumps, but 100-amp service can be enough to kick fossil fuels out of your home.

By Alison F. Takemura . 7 December 2023
Heat pumps

Heat-pump water heaters are a winner for the climate — and your wallet

The tech costs more than conventional options upfront, but federal tax credits, new 120V models and strong savings have made them more appealing than ever.

By Alison F. Takemura . 22 November 2023
Clean energy jobs

US government deploys $41M to train clean energy workforce

Across the country, new centers will receive funds to help train thousands of students and workers for clean energy careers.

By Alison F. Takemura . 21 November 2023
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 . 8 November 2023
Podcast

Tackling the tough stuff: steel, cement and chemicals

Exploring the difficult pathways to decarbonizing the industrial sector.

Play

By Stephen Lacey . 48 min . 26 October 2023
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 . 11 October 2023