Common HVAC Problems: 4 Issues That Might Be Affecting Your Thermostat


The thermostat on your HVAC system is extremely important. After all, it regulates the temperature of your home and keeps it comfortable year-round. Sometimes, however, it can develop issues that affect how warm or cool your home is. When this happens, you might think that you need your AC or heating unit repaired. However, you might just need to troubleshoot your thermostat.

If you believe your thermostat is the reason for your uncomfortable home, these four reasons might be to blame:

1. Improper Placement

The placement of your thermostat might not seem important, but it is. Certain conditions, such as sunlight, can cause your thermostat to think it is warmer in your home than it really is. It might also give inaccurate readings if it is placed near a door, window, or vent. Ideally, your thermostat should be placed in the center of your home as this will give the most accurate reading.

If your thermostat is placed in the wrong area, an HVAC technician can move it to a better area. After moving it, you should notice an improvement in temperature and comfort throughout your home.

2. Dirt

Dust, dirt, and debris can all take its toll on your thermostat. It might not seem like much of a problem, but a thick layer of dirt and dust can really affect its accuracy—and therefore, affect your heating and cooling system. To ensure that your thermostat doesn't encounter issues due to dirt, be sure to clean it regularly with a damp towel or a soft bristle brush.

3. Poor Maintenance

Another common cause of thermostat problems is poor maintenance. Just like your HVAC system, your thermostat should be evaluated, cleaned, and calibrated on a regular basis—usually annually. If you can't remember the last time your thermostat was attended to by a professional, you should probably call a professional for a thermostat check-up.

4. It's Not Level

Finally, your thermostat may stop working properly if it is no longer level. A mercury bulb thermostat is composed of several small mechanical parts that need to be "just right" in order to function properly. If someone has bumped the wall or the thermostat has become off-center, just use a level to make sure it is completely straight.

A thermostat is a very handy tool for regulating the temperature in your home. However, like anything mechanical, it can encounter issues. If your home is no longer staying at a comfortable temperature, contact an HVAC professional and have them evaluate your HVAC system and your thermostat.


22 September 2015

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