HVAC Wire Harness
Wire harness and cable assemblies for HVAC equipment. Temperature-rated cables for furnaces, air conditioners, heat pumps, and control systems.
HVAC Applications
Wire harness solutions for heating, cooling, and ventilation systems.
Heating Systems
Furnaces, boilers, heat pumps, radiant heating
Cooling Systems
Air conditioners, chillers, condensers, evaporators
Controls
Thermostats, zone controls, building automation
Power Connections
Compressor cables, blower motor, fan connections
Smart HVAC
IoT sensors, WiFi controls, energy monitoring
Ventilation
Air handlers, damper controls, exhaust systems

Climate Control Wiring
HVAC equipment requires harnesses that handle temperature extremes, motor loads, and safety requirements. Our harnesses are built for reliable performance in heating and cooling applications.
- High-temperature rated
- Flame-retardant materials
- Quick-connect terminals
- Color-coded conductors
- UL recognized
- Plenum-rated options
- Motor lead assemblies
- Sensor integration
HVAC Capabilities
Our capabilities for HVAC wire harness manufacturing.
OEM Support
We work with HVAC equipment manufacturers on complete harness solutions from prototype through production, including documentation for UL and agency listings.
Motor Leads
Blower, compressor, fan motors
Control Wiring
Thermostat, zone, sensor cables
Power Cables
High-current main connections
Sensor Harness
Temperature, pressure, flow
HVAC Wire Harness Manufacturing for Heating and Cooling Equipment
As a specialized HVAC wire harness manufacturer, OurPCB delivers temperature-rated cable assemblies for furnaces, air conditioners, heat pumps, and ventilation systems. Our wire harness expertise covers UL listed components, HVAC harnesses with flame-retardant materials, plenum-rated cables, and motor lead assemblies for residential and commercial climate control equipment.
Heating system harnesses connect furnaces, boilers, heat pumps, and radiant heating controls. High-temperature cables rated to 200°C serve heating elements and ignition systems. Sensor harnesses integrate thermistors, RTDs, and temperature sensors for precise climate control.
Cooling system cables connect compressors, condensers, evaporators, and fan motors. Power cables handle high-current motor connections with proper ampacity ratings. Terminal connectors provide quick-connect terminations for field installation and service access.
Smart HVAC harnesses support IoT sensors, WiFi thermostats, and building automation systems. Data cables connect zone controllers and energy monitoring equipment. Our appliance manufacturing experience ensures quality for consumer and commercial HVAC products.
Plenum-rated cables (CMP, CL2P, CL3P) meet fire safety requirements for installation in air handling spaces. View our UL certifications for safety compliance. Contact us for HVAC wire harness quotes with UL listing documentation support.
HVAC FAQ
We offer harnesses with temperature ratings from standard 90°C to high-temperature options rated up to 200°C. Furnace and heating applications typically require higher temperature ratings near heat sources.
Yes, our HVAC harnesses use UL listed components and are manufactured to UL standards. We can provide documentation to support equipment certifications and inspections.
We offer plenum-rated cables for installations in air handling spaces. These cables meet fire safety requirements (CMP, CL2P, CL3P) for use in ducts, plenums, and air handling areas.
Yes, we integrate thermistors, RTDs, and other temperature sensors into harness assemblies. This includes proper connector terminations and wire types matched to sensor requirements.
Need HVAC Wire Harness Solutions?
Temperature-rated harnesses for heating, cooling, and ventilation equipment with UL listing support.