You turn on the heating of your heating and cooling system, only to be blasted by cold air. What could be your wrong with your HVAC unit? It all points to a faulty furnace for which you will need to schedule an appointment for HVAC professionals to come in for heating and air condition service in Chattanooga, TN.

You should also know why you are experiencing this problem. Is it because you failed to maintain your heating and cooling unit? Neglect is one of the main reasons why most homeowners run into this problem. Failure to service their heating and cooling system before winter season or unexpected cold weather can cause them discomfort when they turn on their heating. You can call for heating and air condition service in Chattanooga, TN to inspect your HVAC unit and diagnose the problem.

You will need to call in the experts at repairing and resolving issues with HVAC unit if you run into the following problems with your furnace:

1.  The Thermostat is Acting Up

Besides the usual issues, which can be readily fixed, such as low battery, the fan turned on, and another person adjusting the temperature, the issue that you will require a HVAC expert for is the incorrect installation of the thermostat.

You should have contacted a professional heating and air condition service in Chattanooga, TN to install your thermostat for you. Another problem most HVAC professionals have come across is homeowners installing a programable thermostat that is not compatible with their heating and cooling unit.

If you think the thermostat you have installed is not compatible with your HVAC system, you need to get in touch with a heating and air condition service in Chattanooga, TN to tell you what exactly the issue is with your thermostat.

2.  Malfunctioning High Limit Switch

If you have not replaced the filters of your heating and cooling system in a while, it could have caused certain parts of your HVAC unit to malfunction. The high limit switch being one of them. Your heating and cooling system can’t tolerate the continuous rounds overheating.

Eventually, the repeated rounds of overeating will cause the high limit switch to malfunction. Your heating and cooling system will attempt to fix the problem by itself by turning on the fan to cool it down. In most cases, homeowners may not even know about the high limit switch.

If your furnace is blowing cold air and you cannot figure out why, just arrange for experienced HVAC professionals to visit your home for heating and air condition service in Chattanooga, TN. They will repair the dead high limit switch, as doing it yourself is not recommended, as not only is it difficult to find, but fixing it yourself can cause bigger problems.

3.  Issues with the Condensate

Another neglected part of the HVAC unit is the condensate. The condensate is one of the things HVAC technicians check when they come to perform a heating and air condition service in Chattanooga, TN. When your heating and cooling system runs in the summer, the condensing unit constantly drips water into the drip pan.

Piping removes the water from the drip pan, depositing it outside of your house. Those lines can get plugged with grime and dirt, leading to your furnace blowing cold air. For homeowners who do not regularly call for heating and air condition service in Chattanooga, TN, the condensate being blocked is one of the most things that can happen and cause the furnace to blow cold air.

If you continue to operate your HVAC unit without calling a heating and air condition service in Chattanooga, TN, the float switch with get tripped, resulting in your entire heating and cooling system shutting down.

The only way you can prevent the condensate lines from becoming blocked is to get in the habit of scheduling a HVAC company to come to maintain and service your heating and cooling system several times during the year.

4.  Damaged Ducts

You have ducts in your house that are responsible for carrying warm air and releasing it into your entire house, spreading it evenly throughout your property or to specific rooms of the house depending on the type of thermostat you have installed.

If your ducts become damaged. It can cause a leak. These ducts are located outside of your house and temperature changes throughout the year can cause wear and tear. When a leak occurs, the air from outside lowers the temperature inside your home, thus resulting in your furnace producing cold air.

If you suspect a leak in your ducts, you need to call a heating and air condition service in Chattanooga, TN to fix the leaks. Failing to get the leaks in your ducts fixed can result in high energy bills, as your heating and cooling system is working harder to heat the areas it is not supposed to heat like the non-living areas of your house.

5.  Issues with the Flame Sensor

Another reason why your heating and cooling unit is blowing cold air is because there is an issue with the flame sensor. When the flame sensor stops working, it causing your heating and cooling unit to shut on and off throughout the day. Again, with regular maintenance and service of your heating and cooling unit, this issue would have not occurred. This is why, HVAC professionals emphasize on calling them on a routine basis for heating and air condition maintenance and service.

If you want your furnace to stop blowing cold air into your home, you need to contact Metro Plumbing, Heating and Air for heating and air condition service in Chattanooga, TN. They offer emergency service, so if you need to call them to your house because the problem seems to be more severe and needs to be checked out today, you can count on them to show on the same day as you call and on time.