Central Heat And Air Freezing Up

Common causes include a dirty air filter blocked condensate lines refrigerant leaks and component malfunctions.

Central heat and air freezing up.

Blocked air flow causes freezing up air conditioners need to have a constant flow of air so that humidity can t settle on the coils and freeze. It is important to address this issue a frozen air conditioner will not only cool. If it starts freezing up again or loses its cool air ability then you probably have a leak. Contact an hvac technician to check the charge of your unit and add coolant if needed.

Clogged air filter coils or obstruction in front of return grille. However some of the causes of a frozen air conditioner such low refrigerant and faulty thermostats will require assistance from an hvac specialist. There are several reasons for your hvac system to freeze up. Keep an eye on the unit.

Normally the inside ac unit pulls in your indoor air and blows it over the evaporator coil. In some cases you can correct a frozen system yourself while other issues require a professional s help. In order to keep the air flow in your own house moving enough to not disrupt your air conditioner s functionality you need to be sure your air filters aren t dirty and becoming clogged. There are a number of reasons for an air conditioner to freeze up and it really doesn t matter whether it is a window ac unit or a central air conditioner the causes of and solutions to an air conditioner that keeps freezing up are exactly the same.

So it s 93 degrees outside and your air conditioner froze up. Why is my hvac system freezing. Dirty air filters for your. From my experience the more occupants that are in a home the faster that air filters get.

There are several reasons why your outdoor ac components might freeze up and we ll explore them in a bit. Your air filter needs to be checked monthly especially if you have a lot of people living in the home have pets or have carpets. There is literally ice on the outdoor unit even in this incredible heat. Split system central air conditioners used with forced air furnaces take hot air from the house and blow it through an evaporator coil located in the top of the furnace to cool the air.

But if anything stops blocks or restricts air from flowing over the coil it gets too cold. If your ac has run into any problems such as freezing up you need the help of a professional hvac contractor. A professional greenville heating and air expert will thoroughly inspect your ac unit to determine the exact reason. Causes for central air conditioner freezing up.

The cooled air circulates throughout the house via the heat ducts then returns to the furnace as warm air to be cooled again. This allows your refrigerant to absorb the heat so your air is now nice and cool. The main reason units freeze up is low coolant.