TL;DR: The third-generation Nest Learning Thermostat has been on sale in the PCMag Shop for a hot second, but you can save an additional $50 through Sunday by entering the code 50OFF at checkout.
The first day of summer marked the official start of air conditioning season, although it might be more appropriate to call it air *pollution* season: With everyone’s units running on full blast amid swelling temperatures, power plants are being pushed to their operational limits and thus crank out far more harmful greenhouse gases than usual. It’s basically the exact opposite of chill.
But that’s not to say you should spend the next three months drenched in sweat for the sake of the planet — a noble cause, to be sure, but also a gross and miserable one. You just need to make your cooling system more efficient, which is as easy as installing a smart thermostat. Read more…
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