During hot summers, it's not uncommon for a utility bill to skyrocket as your air conditioner tries to keep your home cool.

Google's Nest Learning Thermostat is down to its lowest price ever for Prime Day 2025, and it brings AI-powered temperature ...

Where you put your AC units and vents and how you maintain them can really impact their efficiency—and your electric bill.

Even your thermostat can (and should be) smart. Right now, upgrading is easier than ever because of this Prime Day deal on ...

Photo: Rachel Cericola How it saves: Dimming a single light bulb doesn’t save much energy or cash on its own. Install smart dimmer switches throughout your home, however, and you can put a dent ...