HVAC relays are used for managing fans, blowers, motors up to 1-1/2HP, tools and other electrical devices within specified ratings. Raptor Supplies offers a huge variety of HVAC relays from brands like Honeywell, Steveco, Taco and White-Rodgers. These HVAC systems typically control the flow of current between a power source and a motor. They commonly use an electromagnet (coil) to operate the internal mechanical switching mechanism (contacts). Choose from a range of these HVAC relays, available in 1.5, 1/2, 1/3 HP Per Zone and 2 HP options.