What size blower motor do I need?
The rule of thumb is the blower should produce 440 CFM (cubic feet per minute) of air per ton. On a two-ton system that is 880 cfm (cubic feet per minute). This usually calculates out to about a 1/4 to 1/3 HP blower motor. I would not recommend going over 1/3 horsepower in your case.
How long do car blower motors last?
between 12 and 15 years
The average lifespan of an HVAC blower motor is between 12 and 15 years. Fortunately, your HVAC blower motor doesn’t need much maintenance to survive this long.
Are blower motors universal?
Motor manufactures make universal blower motors that can be wired to run at a wide range of settings depending how they are wired. RPM: If the motor has multiple speeds then only the highest speed will be listed. Common motor speeds are 1200, 1075, and so on.
How long do HVAC blower motors last?
The industry standard is a 20-year life cycle. Furnace blower motors are designed and built to last many years with minor maintenance and no special attention.
What can I do about intermittent blower motor?
Try cleaning it by cycling the control from minimum to maximum rapidly a dozen times or so with the truck off. If that does not work you could take the HVAC controller out and try to get some spray electrical contact cleaner inside the rheostat and again swiping it a number of times.
Is there an intermittent blower motor in a Ford F150?
This vehicle the blower motor would turn on and off intermittently in various conditions, but if the wire harness for the blower controller was wiggled it would come back to life. Wire Harness: https://www.amazon.com/gp/product/B00… Wire Strippers/Crimpers: https://www.amazon.com/Power-Strippin… Loading…
What does it mean if your blower motor is not working?
Average rating from 849 customers who received a AC is not working Inspection. The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed.
When do you need to replace the blower motor relay?
If the blower motor does not function, car fuses are blown, or relays are melting, you may have to replace the car blower motor relay. 1. Blower motor does not function 2. Blown fuses 3. Melted relay The blower motor relay is the electrical switch that is used to supply the power for the vehicle’s blower motor.