Do These Before Calling An HVAC Technician

Posted on: 21 June 2018

A malfunctioning HVAC (heating, ventilation and air conditioning) is best serviced by a professional technician. However, this doesn't mean you should pick up the phone and call a technician every single time you suspect your unit isn't functioning efficiently. This is because there are simple things that may interfere with your HVAC's operations, and it's best to eliminate these things before calling a technician. Here are a few things to try first the next time your HVAC is acting up:

Check If the Breaker Is Tripped

A temporary power surge can trip up your breakers and make it seem as if the HVAC system is malfunctioning. What is more, resetting the breaker is as easy as:

  1. Locating the electrical service pane (typically in the basement or garage)
  2. Locating the tripped breaker (the one in the "Off" position, but remember it may not have moved fully to the "Off" position)
  3. Moving the breaker fully to the "Off" position 
  4. Flipping the breaker to the "On" position

Therefore, this is one of the first things you should check if your HVAC is not working at all.

Confirm That the Thermostat Is Okay

Another easy fix is to set the thermostat, assuming it is wrongly set. In some cases, it might be easy as entering the right temperature; this may be the case, for example, if someone had interfered with the thermostat's programming. If you haven't changed the thermostart's batteries in a long time, try replacing them with new ones. This will help if the thermostat has been losing its programming due to weak batteries (with weak batteries, even the briefest power blackout or flicker) may cause the thermostat to lose its memento.

Replace the Filters If Necessary

When was the last time you replaced the HVAC filters? You may be thinking that your HVAC is malfunctioning while, in the real sense, the filters are clogged with dirt and interfering with airflow. Therefore, if the filters are due for replacement, replace them with new ones and see if there is an improvement in heating or cooling.

Check If the Vents/Registers Are Clogged or Blocked

Even a fully functional HVAC will not have the desired heating or cooling effect in your house if the air vents or registers are blocked, even partially. Check if there are decorations blocking the openings or if someone placed furniture in the wrong place. If that is the case, merely unlocking the openings will make your home comfortable again.

Try the above fixes; if they don't work, contact an air conditioning maintenance technician for more advice.