Preventative Maintenance Questions to Ask Before Your HVAC is Serviced

May 5, 2017
2 min

Summer will be soon here and it is a good time to have your HVAC serviced to carry the load. To make sure that your unit is in good working order for the summer heat, here are a few questions you should ask before you have it done.Cooling.png


When Was the Filter Last Changed?

On a commercial HVAC unit, you should make sure that the air filter is changed every 30 to 90 days, tops. By having a dirty air filter, the airflow is restricted and not only are you not getting the air you should but it causes unnecessary wear and tear on the unit. A clogged filter also causes more allergens in the air which makes it uncomfortable for people in the building.


What is the Optimum Temperature to Have the HVAC Serviced?

Once the outside temperature reaches 18 degrees Celcius (65F) it is safe to have the HVAC serviced. At this temperature, your coolant is able to be checked and filled but make sure that the temperature is at a steady 18 degrees before you start.


Is There a Problem with Nests or Pests in the Unit?

Make sure that the air conditioning unit does not have any pests or bird nests that may obstruct the airflow. If you do have a problem where wiring may have been compromised due to rats or mice, a professional technician can help take care of the issue. Otherwise, make sure that the area is clear before you have it serviced.


How are My Coils?

Regular AC maintenance is integral in making your AC work like it should and having clean coils is at the top of the list. An AC that has dirty coils impedes that transfer of heat so that the HVAC unit has to work harder and won’t cool as much. If the coils are dusty, dirty, bent, or clogged – the coolant may not be able to flow through easily or can leak out.


Should I Hire a Professional?

Most of the preventative maintenance on your HVAC can be done by your employees but if there are any issues that you cannot take care of like major repairs, a licensed HVAC technician with good experience can handle these issues for you.


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If you do decide to go ahead and have your HVAC system serviced, ensure that you use the CMMS program through Maintenance Care to ensure that those services are regularly scheduled and your system is inspected, cleaned, and serviced at least once a year. The best scenario is to have the heating system checked in the Fall and the air conditioning checked in the Spring. Oil-fired equipment should definitely be cleaned and serviced annually; at the beginning of each heating season.



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