How will dirty air filters impact my HVAC system?

June 1st, 2017

Dirty and clogged air filters reign havoc on your HVAC system. They will not only waste money on energy costs, but they will cause damage (sometimes irreparable damage!) to your HVAC system. Here are some ways a dirty or clogged air filter impacts your heating and cooling system:

  1. A dirty air filter is the #1 reason for HVAC system failure. A dirty filter restricts the air flow into your HVAC systems air handler. This restricted air flow places additional strain on the air handler fan motor and could, over time, burn out the motor and cause your system to overheat and ultimately fail. Filter replacement is a small price to pay to extend to life of one of the biggest financial investments in your home.
  2. A dirty air filter makes your fan motor work harder and consume more energy. One of the easiest and quickest ways to reduce your energy bill is to replace your air filter.
  3. A dirty air filter makes your heating and air-conditioning systems and your ducts get dirty faster. This can lead to costly HVAC cleaning expenses or a need to replace your HVAC unit or HVAC components sooner than you expected.
  4. If the heating and cooling coils are caked with dirt and particles that would normally be trapped by the air filter, the system will work harder and be more prone to freezing over or burning out.

Your air filters are a vital part of your heating and cooling system. An HVAC repair STARTS at around $600 and an exhaustive repair (short of a replacement) can easily reach $7,000. A new system, if the damage is irreparable, starts at around $10,000. Air filters are a nominal cost when compared to the cost of repairing or replacing your home's heating and cooling system.

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