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5 HVAC Maintenance Mistakes You Are Probably Making


Home appliances, including the HVAC system, help to provide maximum comfort for you and your family. However, without proper maintenance, your HVAC unit could lead to increased energy bills, not to mention failing to function correctly. Read on for five HVAC maintenance mistakes you are probably making that compromise the efficiency of your unit.

Failing to clean or replace your filter

Thanks to the continuous liquid-to-gas-to-liquid reaction as your unit operates, debris, dust, and dirt particles end up being sucked into the air conditioner. This compromises indoor air quality and increases energy consumption and bills. HVAC systems are fitted with filters such as the 20x30x1 air filter, designed to keep unwanted particles from getting into the unit. 

However, continued use of the air filters leads to accumulation of the dirt particles resulting in clogs.  For this reason, you should consider cleaning or replacing your air filters every three months to allow your HVAC system to perform its function appropriately.

Failing to upgrade to a programmable thermostat

While upgrading to a smart or programmable thermostat may be expensive, you could end up saving a lot on your annual utilities. A programmable thermostat can help you save up to 10% of your yearly heating and cooling costs. With a smart thermostat, you also do not have to worry about constantly adjusting the temperatures when leaving the house or asleep. You could simply program it to the desired temperatures when in and out of the home.

Opening your windows and doors when the HVAC system is running

Often, on a hot sunny day, you may find yourself leaving the doors and windows open to let in as much fresh air in the home as possible. This could lead to increased energy bills, especially when the HVAC system is running because the cool air circulating from your HVAC unit escapes from the open windows and doors, making your AC work twice harder to cool the room. Ensure that you shut windows and doors every time your HVAC system is running to cut down the energy bills.

Surrounding the HVAC system with other appliances

Where is your HVAC unit positioned? Placing your HVAC system near other appliances can lead to a tremendous increase in your energy bills. Most AC units have sensors to determine a sudden change in temperatures, prompting the system to maintain ideal temperatures. When you surround your unit with other appliances, especially those that give off heat, including televisions and refrigerators, the unit may be tricked into working twice as hard to cool the room. As such, you should position your HVAC system away from appliances that give off heat.

Failing to hire HVAC maintenance professionals

Hiring an HVAC maintenance professional is not a waste of money. Contractors can conduct regular inspections; therefore, identify a problem on your HVAC system on time and fix it. While you may handle a decent amount of AC system maintenance, your unit may suffer from severe problems that only an experienced eye could identify. Professionals have relevant knowledge and experience, so they can help improve your system’s efficiency and lifespan.


Poor maintenance can compromise your HVAC system’s efficiency. As such, you should familiarize yourself with these maintenance mistakes and avoid them to ensure your unit is functioning correctly and reduce energy expenses

partnered post • photo by Carlos Lindner from Unsplash