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587-404-0790
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Frequently Asked Questions

Why is my AC system freezing up?

There are several possibilities that can trigger your HVAC system to freeze up; most of them usually need to be corrected by a professional technician. Determining the air filter is clean or replaced and determining the airflow is not restricted are about the only tasks a homeowner should safely investigate or handle themself.

Low refrigerant: On occasion, freezing up is caused by a leak in the refrigerant lines. Weak solder joints, friction from piping rubbing or vibrating against an object, leaking valves or loose fittings can cause leaks. The age of the system and the type and location of the leak will determine whether to have the system repaired or replaced.

Dirty evaporator coil: In time, the evaporator coil will become dirty. When this happens, the results are similar to those of having a dirty filter. Progressively you will lose airflow, slowly enough that you probably would not realize it until it freezes up or is not cooling adequately. You will need to contact your local Service Experts sales and service center to fix the problem.

Defective blower motor or relay: A blower motor running at an improper speed or not running at all can cause freezing. It can also be discontinuous, starting at full speed and slowing down after it heats up. Or a relay could cause it to start one time and not the next. Either way, you will need to contact your local Service Experts sales and service center to correct the problem.

Should you discover that your system was freezing due to a dirty air filter, after replacing or cleaning the filter, you can hasten the thawing process by turning the system off and then turning on only the fan. If you have a heat pump system, you can try turning the system to heating mode until the ice has melted. After the ice has melted, change the system settings back to normal. If the system refreezes, contact Service Experts Heating & Air Conditioning in Edmonton to solve the problem.

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Service Experts Heating & Air Conditioning
4918 72nd AvenueEdmonton, Alberta T6B 2K2
Phone: 587-404-0790
Email: robsalbertan@serviceexperts.com
About Service Experts Heating & Air Conditioning
Service Experts Heating and Air Conditioning was founded with the determination of delivering customers with the best heating and cooling practices in the industry. Since its foundation, Service Experts in Edmonton has been committed to our area, delivering the best HVAC (Heating, Ventilation, Air Conditioning) products and services in the area. If you want more information about your regional HVAC leaders, call us at 587-404-0790 or schedule an appointment with us online.
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