Electrification

Heat pumps

Meet one of NYC’s first housing co-ops to electrify heating and cooling

The 1962 building hit its emissions reduction targets well ahead of Local Law 97's first reporting deadline on May 1. Here’s how.

By Alison F. Takemura . 22 April 2025
EV charging

Multifamily housing needs EV charging. This startup will pay for it.

3V Infrastructure is self-financing EV charging at multifamily properties, betting that the rewards of selling at-home charging at scale are worth the up-front risk.

By Jeff St. John . 17 April 2025
Heat pumps

SoCal regulators weigh weakened rules for emissions-free appliances

Though the new proposal would still help clean up the region’s smog-filled air, it stops short short of mandating heat pumps and banning appliances that emit NOx.

By Alison F. Takemura . 8 April 2025
Electrification

Massachusetts home-electrification pilot could offer a national model

Installations are wrapping up this month for the turnkey program providing solar, heat pumps, and batteries to households that couldn’t otherwise afford them.

By Sarah Shemkus . 7 April 2025
Carbon-free buildings

Illinois city passes law to slash emissions from big buildings

Evanston is the latest in a growing wave of municipalities and states enacting laws to decarbonize existing buildings, a major source of planet-warming emissions.

By Akielly Hu . 27 March 2025
Carbon-free buildings

How to decarbonize every building everywhere — just not all at once

To become climate-friendly, buildings need heat pumps, energy-efficiency measures, cleaner construction, and tech that makes their power use more flexible.

By Alison F. Takemura . 26 March 2025
Electrification

Span’s new smart electrical panel can plug right into utility meters

Adding EVs and heat pumps can be costly for households and utilities. This Bay Area startup says a smaller version of its smart electrical panel could help.

By Jeff St. John . 25 March 2025
Heat pumps

California unveils first state plan to unleash heat pumps

The new blueprint aims to help California reach its goal of deploying 6 million heat pumps by 2030, a target it is currently lagging behind.

By Alison F. Takemura . 17 March 2025
Heat pumps

How closing the ‘spark gap’ can boost heat pump adoption

In cold-weather states where power costs much more than gas, heat pumps can make utility bills go up. Better electricity rate design can help avoid that.

By Alison F. Takemura . 11 March 2025
Carbon-free buildings

New York gets closer to implementing gas ban in new buildings

The state is pushing ahead on all-electric buildings, but a draft building-code update leaves out recommended rules around batteries, EV charging, and solar.

By Colin Kinniburgh . 5 March 2025