Smart Home Calculators

Smart thermostats and LED lighting are among the cheapest upgrades in a home, and most homeowners can install them without a contractor. These calculators show what each one costs, how much it's likely to save on your energy bills, and how quickly it pays for itself, using certified savings data rather than marketing claims.

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  Smart Thermostat Savings Calculator

  Cost, yearly energy savings, and payback for a smart thermostat.

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  LED Light Bulb Savings Calculator

  How much switching to LED bulbs saves per year, and payback.