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What Happens During an HVAC Tune-Up?

November 13, 2018 | Blog

Small HVAC problems can quickly turn into serious malfunctions if they’re left untreated. Regularly maintaining your HVAC system can help you avoid major heating and cooling issues and you can save yourself a lot of time, money, and stress in the future. While a lot of us know how important it is to maintain our HVAC systems, very few understand everything that goes into the process. Let’s take a look at what actually happens during a tune-up.

Furnace Inspection

During this part of the tune-up, your HVAC technician will perform several inspections:

  • The condenser coil will be inspected and cleaned. Over time, dirt and other outdoor debris build up on the coil and decrease its efficiency by preventing efficient energy transfer. This puts a strain on the whole system.
  • Your heating system should be inspected for leaks. These can lead to much bigger issues and expensive repairs, as well as safety issues.
  • The thermostat will be calibrated properly. This helps you correctly read temperature consistently, prevent overheating and keeps your energy bills in check.
  • The heat exchanger must be examined for any signs of excessive wear and tear. Failure to do this can cause carbon monoxide leaks, creating a deadly problem in your household.

Cooling and Filter Maintenance

No HVAC system is built to last forever, but if you’re trying to keep it running for as long as possible, it’s important to keep up with maintenance. During maintenance, a quality technician will do the following:

  • Look closely for any sort of blockage or clog in your system. These happen when dust and other contaminants build up and get stuck in the system, reducing its efficiency dramatically.
  • Check all air filters for debris. This simple fix will increase the efficiency of your system and stop your HVAC units from circulating debris.
  • Test the refrigerant levels. Refrigerant is a compound that absorbs heat from the air, cooling it. If the refrigerant is low you may be at risk of AC failure.

You can prevent blockages and clogged air filters by replacing filters every two to three months and more often if you have pets.

Recommending Repairs

Once your entire HVAC system has been maintained and inspected, your technician will give you an in-depth review of your system’s condition. If your system needs repairs or is headed towards its last days, they’ll recommend solutions for repair and replacement. Houston HVAC contractors have a responsibility to make sure the owner of the appliance they’re inspecting knows exactly what condition their unit is in.

HVAC Maintenance in Houston, TX

The many parts of a tune-up are meant to ensure that HVAC systems are at their best. While they may seem unnecessary, it’s important to look at maintenance as an investment. Regular tune-ups can help you optimize the efficiency of your HVAC equipment, and receiving a report from a licensed technician will help you stay ahead of repairs and maximize the life of your system.

Mission AC & Plumbing helps you keep your HVAC system in the best possible condition. Our HVAC maintenance plans pair your system with the ongoing service it needs. Featuring a routine that includes over 21 steps, our tune-ups ensure your HVAC system lasts as long as possible at peak performance. For more information, contact us today.


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Mission AC has gone above and beyond in assisting us with repairs to the HVAC unit in the house we are renting. Jose C., Jose’s family and Louis M. were wonderful during their visits! We truly appreciate their dedication and hard work.

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