What Are Heat Pump Air Conditioners?
By Alejandra Mejia Cunningham and Alex Hillbrand, Natural Resources Defense Council
They’re way more efficient and cost-effective than standard ACs. Even better, they double as carbon-slashing heating systems.
The world recently experienced its hottest month on record. And with climate change fueling increasingly routine heat waves across the map, leaving a worrisome trail of health emergencies and deaths, keeping […]