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4 A/C “Mistakes” That Cost You Money

4 A/C “Mistakes” That Cost You Money in KatyIt’s mid-summer in Texas, and it's HOT. While it’s normal that your A/C costs will rise during the warmer months, there are some ways that homeowners unintentionally increase their A/C bills.

Don’t want a ridiculously high utility bill this month? Then beware of these 4 A/C “Mistakes” that will increase your energy bill.

Mistake #1: Not changing your air filters

A dirty air filter makes your system less efficient and work harder, increasing your energy bills.

Your air filter is designed to protect your A/C system by trapping dirt and dust before it enters your system. But if the filter is clogged, then it can starve your system of air. Think of it like trying to breathe through a drinking straw underwater.

You have to work harder to get enough oxygen, right? It's the same for an A/C with a dirty air filter.

A dirty air filter is a very common problem that causes homeowners to waste money on A/C costs. But it’s also the easiest to fix. Just change out your filter every 30-90 days. Every style of filter is different. So check the filter package for the recommended schedule.

Mistake #2: Leaving your A/C fan set to ON

Leaving your A/C fan set to ON can cost you hundreds of dollars per year on your utility bill. When you set your fan to ON, it means your fan runs all day and night (instead of only running during cooling cycles, when the fan is set to AUTO).

Running your A/C fan constantly costs you money in several ways:

  • Your fan uses energy. Running it continuously uses more electricity, which increases your utility bill.
  • Running the fan continuously prevents your A/C from dehumidifying your home. This could result in damage from mold growth or could even warp wood floors. It also causes you to run your unit longer, trying to remove the extra humidity.

Our suggestion: Keep your fan set to AUTO.

If you really need continuous airflow in your home, try turning on a ceiling fan instead. It costs about $1 per month to run a ceiling fan without the lights turned on!

Mistake #3: Closing vents in rooms not being used

Energy Star experts found that the average home loses 20-30% of cool, conditioned air to duct leaks. Closing air vents in rooms that aren’t being used only increases the amount of cool air you are losing to those leaks.

How? Closing vents in unused rooms gives your A/C system less area to release the cool air it’s producing. As cool air accumulates in your system, it’s forced out through the leaks in your ductwork.

This leakage from your ductwork wastes money because the cool air you pay for is released to spaces that do not need conditioning. Keep air vents OPEN to prevent cool air from leaking into unconditioned spaces like the attic.

Closing the vents can also cost you money in repairs because it puts unnecessary strain on your A/C system, causing expensive damage and a shorter lifespan.

Mistake #4: Not having your A/C checked regularly

Experts recommend having a check-up on your HVAC equipment twice a year.

Here’s why:

Ongoing maintenance makes your system more efficient, which decreases your monthly cooling costs. It’s the same as having a tune-up on your car. Regular tune-ups increase your gas mileage, and decreases the frequency of repairs.

Regular system maintenance helps save you thousands of dollars in repairs, because it gives our technicians the chance to detect minor problems early on before they have a chance to become major ones.

During a check-up with Parker Air Conditioning, we check and maintain 4 important parts of your A/C system:

  • The level of refrigerant
  • Condensate drain
  • Electrical connections
  • Evaporator and condenser coils

Have you put off regular maintenance for more than a year? Schedule your check-up with Parker Air Conditioning and Heating today! Call us at 281-989-8849, and we can help restore your air conditioner's lost efficiency.


If you are looking for a professional Air Conditioning Company in Katy then please call 281-989-8849 or complete our online request form.

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