The Cool Down

Startup unveils 'intelligent' water heater that could save US homeowners over $750 every year — here's how it works

According to Cala, their heat pump water heaters aren't just energy efficient, but "intelligent" as well, which can help ...
The Cool Down

Homeowner seeks advice after HVAC tech walks back recommendation 'weeks later': 'Sounds like you're getting jerked around'

There's no such thing as a house being "too big" to incorporate an energy-saving heat pump — it's all down to insulation and ...