The Real Numbers
The smart-home retrofit pitch has matured over the last three years. Vendors like SmartRent, IOTAS, Latch, and PointCentral now have meaningful market share in multifamily and a growing presence in SFR. The headline promises are typically $80-$120/month per unit in ancillary revenue plus operational savings. The operator data after 24-36 months of real deployment paints a more grounded picture.
From firms we have surveyed that have deployed smart-home tech at scale:
- Average premium rent capture: $15-$35/month per unit (well below vendor projections).
- Insurance discounts from water-leak sensors: 4-7% on the property's insurance line.
- Reduction in maintenance costs from preventive alerting: roughly $80-$140 per unit per year.
- Move-out cost reduction (smart locks eliminating re-key): $80-$150 per turnover.
Total real revenue and savings: roughly $400-$650 per unit per year. Total retrofit cost: $400-$900 per unit upfront plus $8-$18/unit/month in ongoing connectivity and platform fees. Payback period: 18-36 months in most cases.
Where the ROI Is Real
- Smart locks. The clearest win. Eliminate the re-key cost at turnover, eliminate lockouts (median cost $150-$250 each), enable contactless showings during leasing. Pricing has come down to $150-$280 per unit installed.
- Leak sensors. A water leak that goes 6 hours before detection runs $4,000-$15,000 in damages. A leak sensor under each sink and at the water heater costs $40-$80 total. Insurance carriers in 2025 increasingly discount premiums for properties with sensors, and several major carriers now require them for certain coverage tiers.
- Connected thermostats. Owner savings on vacancy-period utility costs are real (5-15% reduction). Tenant comfort and the ability to detect HVAC issues remotely add value. Pricing $200-$350 per unit installed.
Where the ROI Is Marginal
- Smart lighting. Tenants rarely value it enough to drive rent premiums. Operational savings are negligible after vacancy.
- Smart blinds. Expensive ($300-$700 per window), failure-prone, and the value proposition to tenants is unclear.
- Connected appliances. Reliability of the smart features lags the appliance itself. Most operators have moved away from these as a category.
- Smart parking. Useful in dense urban properties where parking is a real amenity. Almost zero ROI in suburban SFR.
The Tier Question
Rent tier matters more than vendor marketing acknowledges. In Class A multifamily at $2,800+ rent, tenants expect smart features and the premium capture is real ($35-$60/month on average). In Class B at $1,400-$2,000 rent, tenants value them moderately ($15-$25/month). In Class C below $1,200 rent, tenants reliably prefer lower rent over smart features and the retrofit math rarely works.
The Operational Win That Vendors Underplay
The vendor marketing emphasizes premium rent. The actual ROI driver is operational: smart locks let you do contactless self-showings, which can lift leasing-team capacity by 30-50%. Combined with AI leasing agents, you can scale lease-up volume materially without adding leasing staff. For multi-property operators with high turnover, this single use case justifies the retrofit on its own.
The Platform Trap
Most retrofit vendors lock you into a proprietary platform with monthly recurring fees. Switching costs are real — if you put SmartRent in 200 units and then want to move to a competitor, the device replacement cost alone is $40,000-$80,000. Before committing, evaluate the platform on the same criteria as your PMS:
- Does it integrate with your PMS or do you have two separate dashboards?
- Are the devices interoperable (Z-Wave / Matter / Thread standards) or locked to one ecosystem?
- What happens to existing installations if the vendor is acquired or goes out of business?
- What is the actual support response time when devices fail?
The 2026 Outlook
Matter (the cross-vendor smart home standard) is finally gaining traction in 2025-2026, which will reduce platform lock-in. Insurance carriers are accelerating discount programs for connected-home properties. The early-adopter window has closed; the operational baseline for Class A and many Class B properties now includes smart locks, leak sensors, and thermostats as table stakes. The question is no longer whether to retrofit — it is which devices, which platform, and how to structure the financing.