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DIY Checks You Can Do Before Calling A HVAC Technician -

The HVAC system is essential in a household. When not running properly, you are likely to end up with uncomfortable temperatures in your home. Additionally, a poorly functioning HVAC system makes you prone to serious hazards including carbon monoxide leaks. Various issues can happen to your HVAC system. Fixing these might require locating them before calling a service technician to come and fix your unit. Here are DIY checks you can do before calling a HVAC technician.

DIY Checks You Can Do Before Calling A HVAC Technician -


A blocked duct causes poor performance of the whole HVAC system. This makes some rooms not to cool or warm as expected. Failure to reach the temperature set on the thermostat makes the unit work more regularly in a bit to keep up. Luckily, you can check this issue on your own. Ensure that the dampers, coils, drain lines, and coils are open. These parts and the fan blades should not have obstructions. This ensures efficient ventilation while limiting leakage.

Dirty, corroded, or worn parts

Some HVAC system parts are prone to dirt, corrosion, and wearing out. These need cleaning and replacing regularly to keep your system running efficiently. You have to check the air filters to ensure that they are clean. Dirty filters inhibit airflow making the unit freeze over. The filters need replacement at least once a month. Equally important is checking for dirt or signs of freezing on the condenser and evaporator coils. Before cleaning your unit, turn it off and spray it using a hose. A chemical cleaner is necessary when build-up is too much.

Cleaning the unit is necessary annually. Other parts that you can check before calling a Houston TX HVAC service provider include the start capacitors, valves, and contactors. These are prone to wearing out or getting corroded over time. Call a technician to replace these parts where necessary.

Breakers fuses

When breakers on your HVAC system keep flipping off now and then, it might be a blown fuse or tripped switches. Frequent tripping of the switch might result from a blown fuse. This is a serious problem. Constant breaking off of the breaker might be the circuit responding to overheating. This comes with the possibility of severe damage including electrical fire. Never hesitate to call a HVAC technician to come and inspect the electrical connection and find an appropriate solution.

Thermostat controls

The thermostat regulates the temperature of a HVAC system. Wrong settings on the thermostat might cause problems for your unit. Some of the possible problems for issues on the thermostat might result from:

  • Wrong settings
  • Device accidentally turned off
  • Setting temperature too high or low
  • Batteries need replacement

You can check this on your thermostat to discover why your HVAC doesn’t work as expected. The best thing to do is to call a technician to come and determine the actual cause of problems on your unit. This eliminates guesswork and saves you a lot of time and effort.
Strange noises

A HVAC system makes sounds when starting up, switching from heating to cooling to defrosting, and when shutting down. Some of the common noises including:

  • Hissing
  • Buzzing
  • Swooshing
  • Sounds like a washing machine

Strange noises coming from your HVAC system mean severe issues. Vibrating sound might result from loose or tightly strapped parts. Alternatively, the strange noise might result from low refrigerant. Call a technician to come and inspect your unit to recommend an appropriate solution.

Weather conditions

After severe weather, you have to check the outdoor parts of your HVAC system to ensure it is in good order. The unit should be free from ice or cover from piles of snow. Spray the ice or snow to remove it with the unit turned off. Check that all curtains, windows, doors, and shades are closed properly. This limits air from outdoors from entering your home to make your HVAC system work harder. It consumes a lot of power and makes your unit wear and tear much faster.

Some tips to keep your HVAC system running efficiently include:

  • Clearing the drain line
  • Insulating all exposed ductwork
  • Tightening and replacing AC belts
  • Keeping all floors clean
  • Regular grooming of pets
  • Annual replacement of UV germicidal lamps
  • Programming and automating the thermostat
  • Limiting use of the oven and dryer during hotter hours of the day
  • Not keeping lamps and other appliances that produce heat away from the thermostat

Bottom line

Calling a HVAC technician is necessary to work on your unit. However, ensure to do checks including those above before calling the technician. The checks allow determining the problem to know what you are getting into when the technician comes. Knowing a HVAC technician you can trust is very important to ensure that someone can hold your back when your unit develops issues. Equally important is scheduling service and maintenance with the technician to fix issues on your system before they escalate.

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