3. About Us
• DiyParts is a leading HVAC repair parts &
equipment distributor providing (OEM) brand
name products and customer service to the
HVACR industry. HVAC (Heating, Ventilation
and Air Conditioning) equipment needs a
control system to regulate the operation of a
heating and/or air conditioning system.
Usually a sensing device is used to compare
the actual state (e.g. temperature) with a
target state.