U.S. policymakers are increasingly focusing on heat pumps as a pathway to electrify buildings’ heating load to reduce carbon emissions, with 25 governors pledging to boost their states’ heat pump installations to 20 million by 2030 from about 4.8 million today.

For facilities managers, retrofit cost concerns and work disruptions continue to pose challenges. Deploying heat pumps at scale can be an expensive undertaking, especially when facilities managers still need to learn the technology and understand how it impacts buildings, according to Owen Glubiak, vice president of revenue management at Cortex Sustainability Intelligence.

Here’s a roundup of some of Facilities Dive’s biggest recent stories on heat pump adoption.