On many cold nights, you're probably thankful for your heating system. But what happens when your home is getting hotter than you'd like, and the thermostat settings seem normal? Here are some things to consider.
The Thermostat May Be Broken
In some cases, a thermostat doesn't get accurate readings. It could be because the thermostat is placed in an area that is naturally colder or hotter than the rest of the house.
There are plenty of DIY tasks you can do to maintain your air conditioning system and improve its performance, from changing the air filter to removing dust and debris from the unit. However, there are a few things that should be left up to a seasoned and certified HVAC technician. Recharging your A/C system's refrigerant happens to be one of those tasks. The following offers 3 good reasons why adding refrigerant to a residential A/C system isn't a DIY task you'd want to undertake.