Smart Home ROI: Which Upgrades Actually Increase Your Home's Value?

Americans spent $48 billion on smart home devices in 2025. Most of that money went to gadgets that add zero resale value: voice assistants, smart plugs, Wi-Fi-connected appliances with questionable reliability, and lighting systems that confuse the next owner more than they impress them.

But buried in that spending are a handful of smart home investments that genuinely increase home value, reduce operating costs, and improve insurability. The difference between smart home spending that pays off and spending that doesn't comes down to one principle: does it solve a structural problem, or is it a convenience feature?

The top performers share a trait: they reduce measurable costs or prevent expensive damage. Smart thermostats save real energy. Leak detectors prevent real water damage claims. Irrigation controllers save real water. Everything else is convenience — pleasant to have, worthless at resale.