TerraVis Energy claims its new heat pump system can achieve a seasonal coefficient performance of 3.5 and deliver 30 C of ...

Vorlicek had expected a much lower bill because, several months earlier, he and his wife, Lauren Prince, had spent about $10,000 (after rebate) installing a heat pump at their condo in Medford.

That's why Gradient's big window heat pump is so much larger -- and more expensive. Rather than sitting inside the window and taking up all of the space, like most window units, the Gradient ...

Single-family homes, condominium owners, and property owners with four or fewer units can now get up to $8,000 to install a heat pump HVAC system. It’s part of a new round of rebates funded by ...