Gradient's advanced window unit can heat and cool 500 square feet of your home. And you won't need an electrician.

My last heat pump lasted over 14 years without a problem. My carrier pump model # 25hce424a003 is dead. Furthermore they won't let me review product on their website. We have a 2.5 year old ...

Carrier, a US-based heating solutions provider, has introduced a new 4-14 kW line of heat pumps with a coefficient of performance of up to 4.90. The system use propane as the refrigerant and can ...