If your electricity bill climbs every summer, a smart thermostat could help keep cooling costs in check. The Amazon Smart Thermostat is an excellent option for its price, especially today. It’s down to just $57.99 at Amazon as a part of Amazon’s early Prime Day sale, which is the best price we’ve seen since Black Friday. For a smart thermostat that costs under $100, the Amazon thermostat offers a lot of helpful features. One of its most useful is its ability to learn and adapt to your routines,

Tag-uri: Black Friday