Nest's third-gen smart thermostat is on sale for an extra $50 off with code

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