Compact heat pumps that slot into windows could be a planet-friendly way to efficiently heat and cool apartment buildings without breaking the bank, experts say. While many single-family residences ...

The Boston Housing Authority is piloting a new type of window-mounted heat pump that's relatively inexpensive and easy to ...

Several feet underneath your home, the temperature of the ground is relatively constant. Decades-old technology is undergoing a major resurgence — and it could save you $1,500 a year on energy bills ...

An international research team has reviewed emerging solid-state and gas-cycle heat pumps capable of reaching temperatures of up to 1,600 K, assessing their challenges, applications, scalability, and ...

Geothermal energy systems and heat pump technology represent a rapidly evolving area in sustainable energy, driven by the need to reduce carbon emissions and improve energy efficiency. These systems ...

Technology is changing, public awareness is increasing, and the regulatory environment is in flux—we talk with Cala System’s CEO Michael Rigney on what the future has in store. Cala Systems is a ...

An outdoor heat pump in Juneau, where the technology is more common. Heat pumps are growing in popularity across the country, including in parts of Alaska. They’re more energy efficient than ...

A common refrain is that they’re only effective in mild climates. We put that idea to the test. Credit...Photo illustration by The New York Times; Shutterstock Supported by By Sofia Quaglia Heat pumps ...