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HVAC Myths

4 Myths About HVAC Services

HVAC systems help keep your home comfortable year-round. You may hear a lot of conflicting information from family and friends on how to maintain those systems. Let's review five common myths about HVAC services and determine the facts you need to know.

Myth #1: The Bigger, the Better

Installing a larger HVAC system will keep your home comfortable and keep your energy costs down. That's the first myth.

Fact: It's actually false. A larger HVAC system can be less efficient than one sized to the home. Larger systems work less. That means they cycle on and off more frequently, which can increase energy use. Plus, it doesn't entirely remove humidity, which can make the space feel uncomfortable.

Myth #2: Change Your Filter Every Year

Some people put a note on their calendar to change their filters once a year.

Fact: Filters need to be changed once a month, not once a year. A filter's primary purpose is to remove dust and other particulates that can dirty the inside of the HVAC system. In time, the filter will fill up with dust, making it harder for air to flow through it.

When air can't flow freely through the filter, it makes the HVAC system run harder. This issue can lead to more wear and tear, plus higher energy costs.

Change filters every month. If you have reusable filters, clean them once a month.

Myth #3: Wait Until It Breaks

Some property owners don't pay attention to their HVAC systems until something breaks.

Fact: That's a big mistake! Like any mechanical system, HVAC units need routine service and maintenance to run smoothly. Without that routine attention, the system will break down more often, requiring expensive repairs. It will also use more energy to do the same amount of work.

Schedule routine maintenance at least once a year with a licensed HVAC professional.

Myth #4: Turn Up the Thermostat

If you want to cool or heat your home faster, crank up the thermostat. 

Fact: This an old but very persistent myth about HVAC services. The truth is your HVAC system will do its job at the same pace, no matter how far you move the thermostat settings. So, cranking up the thermostat isn't going to make things go faster.

However, what will happen is that you may find your home getting too cold or too hot when you forget to put the thermostat back to its original setting. You will see it in higher energy bills and higher repair costs due to excessive wear and tear.

If you need any help with your HVAC services, call Robert Bair Plumbing Heating and Cooling.


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