Smart thermostat market seen tripling by 2035 on energy rules and interoperability

The global smart thermostat market is projected to rise from $5.98 billion in 2025 to $26.83 billion by 2035, according to Market Research Future, as efficiency mandates, utility rebates and Matter/Thread compatibility broaden adoption. North America leads today, while Asia-Pacific is forecast to grow fastest as thermostats shift from basic controls to grid-connected energy assets.

Why it matters: - The smart thermostat market is moving from a niche home-upgrade category into a mainstream building technology with grid and energy-management value. - The forecast jump from $5.98 billion in 2025 to $26.83 billion by 2035 implies nearly 4.5x growth over the decade. - Adoption is being pulled by policy, utility incentives and interoperability, not just consumer demand. - Connected thermostats are increasingly positioned as distributed energy assets that can support demand response and virtual power plants.

What happened: - Market Research Future projected the global smart thermostat market at $5.98 billion in 2025, rising to $6.95 billion in 2026 and $26.83 billion by 2035. - The report put the market’s compound annual growth rate at 16.2% through 2035. - The release said federal and municipal energy-efficiency mandates and the rollout of the Matter standard are accelerating adoption. - The report was published July 30, 2026. - A sample copy of the report is available online. - The full report is also available online.

The details: - Utility incentive programs in the U.S. disbursed more than $320 million in smart thermostat rebates in 2024. - The report said government energy-efficiency mandates contribute about 22% to 26% of the market’s growth impact. - Utility demand-response and rebate programs account for about 18% to 22% of growth impact. - Matter and Thread interoperability adoption contributes about 14% to 17% of growth impact. - Wi-Fi-enabled devices held about 69% of 2024 revenue. - Thread-based connectivity is forecast to grow at a 19.3% CAGR through 2035. - Retrofit installations accounted for about 62% of 2024 market share. - Learning thermostats represented about 48% of the market in 2024. - The residential segment made up about 76% of 2024 revenue. - North America held about 42% of the market in 2024. - Europe held about 25% of global revenue. - Asia-Pacific is forecast to grow at a 19.2% CAGR through 2035. - The average bill of materials for a Wi-Fi/Thread dual-band connected thermostat fell from $38 in 2021 to about $26 in 2025. - The report said fewer than 40% of homeowners ever programmed older programmable thermostats correctly. - By mid-2025, more than 85% of new smart thermostat SKUs shipped with Matter certification. - Southern California Edison enrolled more than 1.2 million smart thermostats in its Summer Discount Plan in 2024. - Participants received bill credits of $50 to $75 per cooling season, and the program cut peak load by an estimated 600 MW on critical-demand days. - The U.S. Inflation Reduction Act allocated $8.8 billion to residential efficiency programs through 2032. - The EU recast Energy Performance of Buildings Directive requires all new residential buildings to be zero-emission by 2028. - Japan’s revised Building Energy Efficiency Act took effect in April 2025 and extends mandatory efficiency reporting to mid-sized commercial buildings. - The report said the top five players account for an estimated 55% to 62% of global revenue. - Google/Nest was estimated at 18% to 22% share. - Honeywell Home/Resideo was estimated at 12% to 16% share. - ecobee was estimated at 8% to 12% share. - Emerson/Sensi was estimated at 6% to 9% share. - Johnson Controls was estimated at 5% to 8% share. - Schneider Electric, Carrier Global, Trane Technologies, Siemens and Lux Products rounded out the named competitive set. - The report also highlighted AI-driven autonomous HVAC orchestration, subscription revenue, heat-pump integration, ESG reporting, virtual power plant enrollment and commercial portfolio platforms as major trends.

Between the lines: - The market’s center of gravity is shifting from hardware features to software, subscriptions and utility integration. - Matter certification reduces ecosystem friction for buyers who previously had to choose among competing smart-home platforms. - Falling component costs are making sub-$100 devices more feasible without forcing vendors to abandon margins. - The strongest growth appears tied to retrofit demand, which lowers the barrier to adoption versus full HVAC replacement. - Commercial buyers may become more important as ESG reporting and portfolio management turn thermostats into compliance and operations tools.

What's next: - The report expects on-device AI co-processors to improve local control and reduce latency by 2030. - The International Energy Agency projects AI-optimized building controls could cut global building energy consumption by 10% by 2035. - The report said the global heat-pump installed base could reach 600 million units by 2035, creating more thermostat attach opportunities. - Utilities are expected to keep expanding thermostat-based demand response programs as grid operators seek low-cost flexibility. - Competition is likely to intensify around software depth, subscription services and certification breadth rather than device price alone.

The bottom line: - Smart thermostats are evolving from convenience devices into core energy-management infrastructure, and policy plus interoperability are doing most of the heavy lifting.