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Smart Home Savings Calculator

Calculate how much you can save with smart home devices and automation to optimize your energy usage.

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Which Smart Home Devices Actually Save Energy?

The smart home market is flooded with products claiming to reduce your energy bills, but not all of them deliver measurable savings. Our Smart Home Savings Calculator cuts through the marketing and models the actual financial return for the devices that matter most: smart thermostats, smart plugs, smart lighting, and energy monitors.

According to ENERGY STAR certified smart thermostat data, these devices save an average of 8% on heating and 10% on cooling costs annually — roughly - per year for the average household. Smart plugs and energy monitors add another - in annual savings by eliminating phantom loads.

Smart Device Savings Comparison

  • Smart thermostat (Nest, ecobee): -/year savings. Device cost: -. Payback: 1-2 years. Highest ROI smart device.
  • Smart plugs (eliminating phantom loads): -/year. Device cost: - each. Payback: 2-4 months.
  • Smart lighting (scheduled/automated): -/year. Additional savings on top of LED efficiency. Device cost: - per bulb.
  • Energy monitor (Sense, Emporia): Indirect savings of -/year through awareness-driven behavior changes. Device cost: -.
  • Smart water heater controller: -/year. Device cost: -. Payback: 1.5-3 years.

Frequently Asked Questions

Which smart home device saves the most energy?▼

A smart thermostat delivers by far the most savings at -/year. It learns your schedule, adjusts temperatures when you're away, and optimizes your HVAC runtime. The EPA estimates that ENERGY STAR certified smart thermostats save 8% on heating and 10% on cooling annually. No other smart home device comes close.

Do smart plugs really save money?▼

Yes, when used on devices with high standby power. A smart plug on your entertainment center (TV, cable box, soundbar) can cut 40-80 watts of phantom load, saving -/year. On a desktop computer setup, savings are -/year. At - per plug, the payback is just 2-4 months.

Are smart home devices worth it for renters?▼

Smart plugs and smart bulbs are excellent for renters — they install in seconds, require no wiring, and go with you when you move. Smart thermostats are trickier since you may not be allowed to replace the existing unit. If your landlord approves, the savings benefit both you and them (lower utility costs make the property more attractive).

Do energy monitors actually change behavior?▼

Studies from the DOE's smart home research show that households with real-time energy monitoring reduce consumption by 5-15% simply from awareness. Seeing exactly which devices use the most power motivates behavior changes that persist long-term. An Emporia Vue () or Sense monitor () typically pays for itself within 1-2 years through these behavior-driven savings.