> Cold climate heat pumps (CCHPs) can provide high-efficiency heating in freezing temperatures without producing greenhouse gas emissions and can save families

> Cold climate heat pumps (CCHPs) can provide high-efficiency heating in freezing temperatures without producing greenhouse gas emissions and can save families as much as $500 a year on their utility bills. That's like one month of heat for free. A welcome respite, but hardly revolutionary. Slashing emissions is awesome though.