You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. An error has occurred. Please try again ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

A heat pump doesn't generate heat; it transfers it from one place to another. It's an appliance with a bright future in an eco-conscious country.

Central heat pump and mini-split systems have been in the news for some time now as energy-efficient alternatives to traditional gas and electric furnaces. But when my housemates and I inquired about ...

Oct. 1—Heat pumps are useful for keeping warm in Maine. But they can't replace a home's central heating system on the coldest winter days, especially in an old house. That was what Kathy Heseltine ...

David Richardson, co-founder of Elephant Energy, leans on a condenser placed on the roof during the installation of a heat pump in an 80-year-old rowhouse last January in northwest Denver. Credit: AP ...

Jetson Home is a Vancouver-based heat pump start-up that’s radically changing the energy marketplace by way of a direct-to-consumer business model that reduces the costs and questions behind ...