How window-mounted heat pumps can give tenants efficient heating and cooling

Permanently installing a heat pump system in a building is expensive. But new window units can deliver many of the benefits with far less cost and go with renters when they move.

By: Moncef Krarti, University of Colorado Boulder, The Conversation

Outlets: The Conversation

Published: June 15, 2026

Words: 876

Last Updated: 1 month, 1 week ago


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By Moncef Krarti, University of Colorado Boulder

People who rent their homes, or don’t have enough money to make major upgrades to their homes, have for many years been left out of a major shift in heating and cooling technology that can improve efficiency, save money and be better for the global climate: heat pumps.

Heating and cooling buildings consumes 35% of all the energy used in the United States each year. Many homes and …

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