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FAQs About HVAC Systems

By on Dec 17, 2015
FAQs About HVAC Systems

In today’s environmentally-conscious world, homeowners are always looking for ways to reduce air pollutants and increase the energy efficiency in their homes. HVAC systems have grown in popularity and, as technology continues to progress, these systems are becoming more and more energy efficient. HVAC systems are popular among modern home builders. If you are a homeowner who is considering installing or updating an HVAC system in your home, you might have some questions.

Below is a list of frequently asked questions regarding installing and maintaining HVAC systems.

What Does HVAC Stand for?

HVAC is short for Heating, Ventilation, and Air Conditioning.

How Often Should I Check My Air Filter?

It is recommended that you check your air filter once a month, especially during the seasons when it is being used more. You should clean a reusable filter once a month, or throw it out and replace the filter if you use disposable filters.

HVAC - Get A Fan

How Can I Reduce My Energy Costs?

There are a number of actions that can be taken to help reduce your energy bill every month:

  • One easy adjustment would be to alter the temperature on your thermostat. If your system does not have to work so hard to get the house to a desired temperature, you will be saving energy and money. So, in the summer months, keep your temperature a little higher and in the winter months, set your temperature a little lower.
  • Installing ceiling fans is another great way to reduce energy costs. By installing ceiling fans, you can help circulate the air conditioning or heat throughout the room. In addition, you can rotate the direction of the airflow during the different seasons. For optimal use during the winter months, set the blades to rotate in a clockwise direction to push the warm air down from the ceiling. In the summer, set the blades to rotate in a counterclockwise direction.
  • In rooms that are frequently used, do not block the vents. In less frequently used rooms, close the vents so you do not spend money cooling rooms that are not being used.
  • Put your thermostat on a timer so your system is not running and wasting energy when you are not in the house.

Is There A Reason My Air Conditioning Unit is Freezing Up?

Yes, this is a common issue and there may be several reasons for why this problem occurs. One reason may be that there is a leak in the refrigerant lines in the system. The location and cause of the leak will tell you whether you should replace or repair the system. A second reason may be that the evaporator coil is dirty. This problem is similar to a dirty air filter in that you may notice the system is not working efficiently and is not cooling your home properly. These problems require assistance from your local service experts to fix.

What is Indoor Air Quality? What Causes Indoor Air Pollution?

Although outdoor air quality has been a major focus when it comes to environmental studies, recently, indoor air quality has become a topic of conversation. Indoor air quality refers to pollutants in the air inside your home, the humidity level and the ventilation levels. Pollutants inside your home can be caused by several things. This list includes, but is not limited to, carpeting, upholstered furniture, curtains, cleaning products, air fresheners, paints and gas appliances. In sum, any item in your home that releases gas creates air pollutants that can decrease the quality of the air inside your home.

How Can I Improve the Indoor Air Quality in My Home?

In order to improve the indoor air quality in your home, there are several strategies you can follow:

  • Eliminate dirt and dust from your home by cleaning and vacuuming at least once a week.
  • Open your windows! Although modern homes and HVAC systems are designed to be energy efficient and filter the air in your home, if you do not mix in some fresh air from outside, levels of air pollutants will increase and the air inside can become stale.
  • You may need to switch to use high-efficiency air filters in your HVAC system. There are some air particles that are just too small and may never land on a surface and avoid the vacuum. There are high-efficiency air filters that can capture even the smallest and most evasive of air particles.
  • Monitor the humidity levels of your house. If your house is too humid, this can increase the concentration of particles and germs in the air. Keeping track of the humidity levels can help decrease indoor air pollutants. 

Avoid Common Air Conditioning Problems with Regular Maintenance

What Size HVAC System is Right for Me?

Although you might be under the impression that the larger the house, the larger the system required, this is not necessarily true. To get an accurate quote on which size system you may need, you may need to call a licensed professional to help you out.

Should I Repair My HVAC System or Replace It?

If your system is old and in need of constant repair, it may be time to update to something more modern and energy efficient. The average life expectancy of an HVAC system is about 20 years, depending on the general usage. It may be helpful to contact a licensed professional regarding your specific situation.


HVAC systems are no longer just designed to heat, cool and ventilate your home. They can help your home become more energy efficient and decrease particles and germs, increasing the quality of the air inside your home. Contact a local licensed HVAC professional for more details regarding your home and your specific needs.

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