Rooftop Units
Match packaged equipment with the right room and rooftop controls.
Commercial building controls
Find the right thermostat and controls for your building.
Shop thermostats, sensors, and connected building controls. Get straightforward guidance for replacements, upgrades, and new projects.
Start with your project
What are you working on?
New system
Plan a new system
Plan controls around your building, equipment, and operating needs.
Expand
Expand my system
Find compatible components and next steps for an existing installation.
Replace
Replace a part
Locate a known model or understand replacement options before ordering.
Shop
Buy a thermostat
Browse standalone thermostats by features and equipment type.
Shop by category.
Browse products by component type.
Commercial Thermostats
Thermostats for commercial equipment and connected systems.
Standalone Thermostats
Everyday heating and cooling controls for individual systems.
Thermostat Sensors
Remote, outdoor, and duct temperature sensors.
Thermostat Accessories
Wall plates, guards, and mounting accessories.
Humidity Controls
Controls for humidifying and dehumidifying equipment.
HVAC Service Accessories
Cases and accessories for HVAC service tools.
Communicating Thermostats
Thermostats that communicate with compatible equipment through a defined control bus or system interface.
Temperature Instruments
Temperature indicators for equipment monitoring and local readout.
Shop by application.
Review staging, wiring, and control requirements for your equipment type.
Commercial Zoning
Coordinate central equipment with the needs of individual spaces.
Heat Pumps
Find controls for compressor stages, auxiliary heat, and everyday comfort.
Fan Coils
Explore controls for supported two-pipe and four-pipe fan coil systems.
Economizers
Coordinate outside-air cooling with ventilation and equipment operation.
Wireless Retrofits
Move room control or sensing when running a new cable is difficult.
Project help
Not sure what you need?
Gather your model numbers, wiring photos, and project goals. We’ll help you organize the details for a selection review.
Guides & resources
Guidance for your next project.
Use practical guides to document your setup and compare control options.
Guide
Choosing a Commercial Thermostat
A practical process for documenting a commercial controls project before evaluating thermostat and system options.
Guide
Commercial vs. Regular Thermostats
How to tell whether a project needs a commercial control strategy or a standalone regular thermostat.
Guide
Documenting Your Existing HVAC Controls
A field checklist for capturing equipment, wiring, and control details before you plan any thermostat or controls change.
Trusted brands
Controls from the manufacturers we support.
Browse product lines and resources by brand.
Frequently asked
Your questions, answered.
What is the difference between a commercial and a regular thermostat?
A regular thermostat typically controls a single residential or light-commercial system on its own. A commercial thermostat is often part of a connected system that can include gateways, equipment controllers, remote sensors, and a building-control network. Commercial selection starts with the controlled equipment and the required sequence of operation, not just the wall control.
How do I choose a thermostat for a rooftop unit?
Collect the rooftop unit's complete model and serial information, the existing thermostat or controller model, legible wiring photographs, and a description of the required operating sequence. Packaged rooftop units vary in control voltage, staging, terminal conventions, and economizer interfaces, so the equipment details—not the building type—determine a compatible control.
Can I replace a single component in an installed building system?
Often yes. Start by documenting the installed devices—thermostats, sensors, zone panels, controllers, gateways, and repeaters—then verify the replacement against current manufacturer documentation. For connected systems, confirm every required system role rather than assuming a thermostat operates on its own.
How can I check compatibility before ordering?
Open the product’s ‘Will this work with my system?’ section to compare supported configurations, required components, limitations and model-specific checks. Follow the linked manufacturer documentation and building-system or application guides. If compatibility is marked as not verified, check the exact equipment model and revision in the manufacturer’s manual before ordering. A shared brand or similar model number is not a confirmed match.