Heat & Air Solutions
Offer your homeowners comfort, convenience, and cost savings with our comprehensive suite of HVAC products.

Smart Heating & Cooling

Smart Thermostat HQ
Designed with contractors in mind, the Smart Thermostat HQ is the easiest thermostat you’ll ever install. With a streamlined installation flow and built-in cellular hub, you can set up and configure smart home systems faster than ever!

Smart Thermostat (HD)
A beautiful HD touch screen and sleek design, plus all of the energy-saving and smart automation features of the T25.
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Smart Thermostat (T25)
Our original smart thermostat with customer-friendly features – available at a price your customers will love.
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Mini-Split Control
A game-changing connector for Mitsubishi Electric mini-splits. It turns traditional HVAC units into smart, connected systems.
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ENERGY STAR® for Guaranteed Savings
All Building36 thermostats are ENERGY STAR® certified. That means customers can conserve up to 39% of the energy used to heat and cool their homes each year and may be eligible for rebates. That’s good for the planet and good for business.
Compare Thermostats
![]() Smart Thermostat (HQ) |
![]() Smart Thermostat (HD) |
![]() Smart Thermostat (T25) |
![]() Smart Thermostat (T2000) |
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HVAC Stages | 3 Heat - 2 Cool | 3 Heat - 2 Cool | 2 Heat - 2 Cool | 3 Heat - 2 Cool |
System Types | Heat Pump, Normal | Heat Pump, Normal | Heat Pump, Normal | Heat Pump, Normal |
Operating Modes | OFF, Heat, Cool, Auto, Emergency Heat | OFF, Heat, Cool, Auto, Emergency Heat | OFF, Heat, Cool, Auto, Emergency Heat | OFF, Heat, Cool, Auto, Emergency Heat |
Fan Controls | ON, Circulate, Auto | ON, Circulate, Auto | ON, Circulate, Auto | ON, Circulate, Auto |
Power Supply | C-Wire, Powerplate Accessory If No C-WIRE | C-Wire, Powerplate Accessory If No C-WIRE | C-Wire Or Batteries (AA) | C-Wire Or Batteries (AA) |
Rated Voltage | 24 VAC | 24 VAC | 24 VAC | 24 VAC |
Dimensions (LxWxH) | 4.73 in x 4.73 in x 1.12 in (120.16 mm x 120.16 mm x 28.5mm) | 4.73 in x 4.73 in x 1.12 in (120.16 mm x 120.16 mm x 28.5mm) | 4.72 in x 4.72 in x 1.04 in (120 mm x 120 mm x 26.5mm) | 4.84 in x 4 in x 0.89 in (123 mm x 101.5 mm x 22.5mm) |
Display Type | Full-Color Touchscreen LCD Display |
Full-Color Touchscreen LCD Display |
Capacitive Touch Display | LED |
Connection Types | Cellular, WiFi, Z-Wave | Z-Wave | Z-Wave | Z-Wave |
Local Scheduling | ![]() |
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Remote Scheduling | ![]() |
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Works with remote temperature sensor | ![]() |
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Colors | Black, White | Black, White | White | White |

Smart Home Add-Ons
Temperature Sensor
Sensors easily connect to Building36 thermostats, allowing customers to adjust temperatures for whole-home comfort. Learn More
Thermostat Power Plate
Power the Smart Thermostat HQ and HD displays using just two wires. Offers flexibility when C-wires are unavailable. Learn More
Dry Contact Sensor
Install this multi-purpose sensor to keep HVAC systems and sump pumps in good working order. Learn More
Smart Carbon Monoxide Detector
A connected CO sensor that triggers alerts when unsafe levels of carbon monoxide are detected. Learn More
Bundle & Save
Connected + Protected Water Kit
All the hardware you need to give homeowners a complete smart water experience with protection from both plumbing and weather-related water damage. Learn More
Connected + Protected Essentials Kit
Save with our essentials kit—includes the Smart Thermostat HQ plus small, but sticky smart devices. Learn More
BYO-Thermostat Kit
An upgrade-in-a-box for homeowners with compatible, non-Building36 thermostats already installed. Includes a water sensor and smart plug. Learn More

Delight Your Customers with Our Smart HVAC Solutions

With 24/7 HVAC system monitoring, your customers can rest assured that their home’s most expensive system is always being protected.
Schedules and location-based automation enable your customers to save money on their energy bills without sacrificing comfort.
Our smart HVAC solutions and easy-to-use mobile app allow customers to adjust temperatures on the go or automate according to their schedules and lifestyles.
Related Smart Home Solutions

Plumbing
Protect customers’ homes from costly water leaks and flooding with our smart plumbing solutions. View Products

Electrical
Give customers control over their lights and appliances with smart automation features and our Mobile app. View Products

Services
Generate low-cost leads, grow your business, and create a customer base you can rely on with services from Building36. View Services
Become a Partner
Take advantage of Pro HVAC Monitoring and other exciting Building36 products and services to nurture relationships, improve customer service, and drive growth.
