Most Common Reasons for HVAC Service Calls

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Your HVAC system is designed to keep you comfortable all year round, but that doesn’t mean it’s always going to work exactly the way you need. When you have issues with your HVAC system, it’s important to call in a professional to get the help you need. Let’s review the most common reasons for HVAC service calls.

Thermostat Malfunctions

When the furnace isn’t heating up as it should, or you notice hiked-up power bills, the culprit is often the thermostat. Faulty thermostats, whether dial type, programmable or smart thermostats, can be quickly spotted by an HVAC technician and repaired to avoid incurring future repair costs.

Leaking Refrigerant

Leaking refrigerant on the exhaust or intake side affects your HVAC’s cooling. An uptick in heat despite turning on the AC could result from leaking or low refrigerant. It is important to enlist the services of a qualified HVAC expert to fix the leaks and replace the refrigerant correctly.

Leaky Ducts

Leaking ducts cause your HVAC to work inefficiently. Leakage in the ductwork causes low cooling and low heating in the house. Since most of the HVAC ductwork is installed above the ceiling, you may not spot leaks immediately until you see damage to your walls and ceilings. It is best not to ignore such signs of leaking ductwork.

Blown Fuses and Tripped Circuit Breakers

At times, your HVAC system shuts off on its own. When you notice your dual-split system periodically shutting down, it is not a friendly ghost playing tricks on you. Blowing fuses and tripping circuit breakers cause the system to shut off.

Dirty filters cause the blower and evaporator to overwork, resulting in recurring fuse blowing and breaker tripping. An overworked blower drives up your power bills and affects heating. Consider replacing your air filters if the problem recurs.

A Noisy HVAC

When split systems are working efficiently, they produce little sound. But if there is internal mechanical fixture wear and tear, you will notice strange sounds from your furnace, indicating an impending failure. You need to call an HVAC specialist to replace the worn-out fixtures or the entire furnace motor.

Dirt and Debris in the Coils

Dirty evaporator and condenser coils reduce your system’s efficiency and accelerate wear and tear. Most people think the simple DIY fix is to run water inside the coils. Do not. Washing the coils only reduces their efficiency and introduces rust. Instead, call an HVAC repairer to clean the coils. Schedule regular maintenance, especially if you live in an area with twigs, leaves, and other debris around the outdoor unit.

Sensor Problems

HVAC systems have flame and air sensors that control the surface ignitor and the amount of air coming in through the evaporator coils. Damage to the sensors means your home won’t be as warm or cool as you want it to be.

Most people wait until summer and winter to call in HVAC specialists when they are in high demand. Be a smart homeowner and schedule maintenance during off-peak seasons to save money and ensure your HVAC system runs efficiently. If you have any of these problems, call an HVAC professional in Torrance and the South Bay from Total Home Environmental to check, repair, or maintain your HVAC system.

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