Your heating system will run, and then it will shut off once it reaches your desired temperature. This is called a cycle, and it lasts about 15-30 minutes for heat pumps or 10-15 minutes for furnaces. If your heater seems to be cycling nonstop, rather than a few times an hour, then you may need a service call.
Inadequate Airflow
The most common cause of short cycling is inadequate airflow, whether from a clogged or dirty filter or blocked vents. Check the filter to see if it needs to be changed. If it is caked with dirt and dust, swap it for a new one. Filter changes should occur every 30 to 90 days.
Make sure nothing like furniture or curtains is blocking your vents. If you notice any obstructions, remove them.
An Incorrectly Sized System
A system that’s too large for the space will heat it too quickly and then shut down prematurely. One that’s too small will cycle constantly in an effort to maintain the desired temperature.
Thermostat Malfunction
If the thermostat has any faulty wiring, is poorly located, or has incorrect settings, it can cause the system to repeatedly cycle. Sometimes, you may need a replacement to resolve the problem.
Low Refrigerant Level
A heat pump uses refrigerant, and if its level is too low, the appliance may continually cycle to maintain the correct temperature. Only a technician can refill the refrigerant, as handling it without the proper training and experience is extremely dangerous. Your HVAC expert will make the necessary repairs to stop the leak.
Does It Really Matter?
When a heater cycles continuously, it can shorten its lifespan and dramatically increase its energy consumption. This wastes energy and results in increased utility bills. Energy consumption always increases when the unit starts up. When it continually restarts, your utility bill will increase, sometimes by as much as 30%!
Your heating system should last for 15 to 20 years. Short cycling can reduce the lifespan to as few as 10 years or even less. Even if the entire system doesn’t fail, components like the ignitor, blower, or condenser can be expensive to replace. Continuously cycling can make them all wear out more quickly.
If you notice that your system is short cycling, get expert help without delay. Waiting too long can result in expensive repairs or a complete system replacement. To preserve the comfort in your Oceano, CA home, contact Sargent’s Plumbing and Heating LLC for heating replacement or repair services.
