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Frequently Asked Questions

Whether we are servicing your existing air conditioning and heating system, or we are customizing a new HVAC system, A-Star Heat and Air, Inc. wants you to be completely knowledgeable of not only your system but also the services we are providing. This page has been designed to answer many of the questions you may have. If you have any further questions or would like to schedule a consultation with one of our specialists, please feel free to contact A-Star Heat and Air, Inc. at 972-485-0813. For your convenience, you may also request services from this site.



At what temperature should I set my thermostat?

At A-Star Heat and Air, Inc. we suggest 78 degrees on cooling. Some people are not comfortable at this setting and require it cooler. However, you should remember that for each degree below 78 degrees you will increase the energy cost for air conditioning significantly.

Should I keep my fan running?

Normally no, but there are exceptions such as some business applications, etc. In home, this practice can increase humidity usually causing higher electric bills and increased discomfort.

Should I turn my A\C system off when I am not home?

No, you can raise the setting on the thermostat a few degrees. Up to 82 to 83 degrees will use less energy and still allow for the A/C system to recover when you lower the thermostat to your desired comfort level when you get home in the evening.
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How often should I have my air conditioning system checked?

A-Star Heat and Air, Inc. performs preventative maintenance checks for our clients twice a year for you. The benefits of a preventative maintenance agreement more than pay for the small investment. You get semi-annual maintenance and many other benefits. To schedule your checkup please contact us at 972-485-0813.

Does it save energy to close the vents in rooms I am not using?

It is not a good idea to close vents in your home. The savings are insignificant and the air balancing will be wrong, causing the relative humidity to raise the in home and become uncomfortable. It may also cause mold problems.

How often should the filter be cleaned or changed?

Your air filter should be changed when it is dirty. Depending on circumstances such as frequency of use, whether you are pet-owner, a smoker, etc. are just a few. Inspect your filters at least once a month. Cleaning and replacement should be done on an as needed basis. As with the rest of your air conditioning and heating system, cleaner is always better!
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How long should an air conditioning system last?

This depends on how much it is used, how well it is cleaned and maintained, and the environment. Normally you could reasonably expect a unit to last 8 to 10 years or more according to most manufacturers.

What is meant by "high-efficiency air conditioning"?

Air Conditioning and heating equipment that deliver more BTU's of cooling relative to the electrical wattage consumed by that of standard or low efficiency equipment are considered to be "high efficiency" This is measured by S.E.E.R. (Seasonal Energy Efficiency Ratio), the higher the S.E.E.R. number the more efficient.

How long does Freon last?

Forever! At A-Star Heat and Air, Inc., we are a Texas friendly, environmentally safe service company. We are equipped to recover your refrigerant, keeping your refrigerant from going into the atmosphere. We abide by the law.
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What can you do to help make my home "Air" cleaner?

Trane is proud to offer the world's most effective whole-house air filtration system. Trane Clean Effects is designed to let air flow freely through the most advanced filtration system available. A clean effects whole-house air filtration system can remove up to 99.98% of airborne allergens from your home's filtered air. As an authorized Trane dealer, A-Star Heat and Air, Inc. can install a clean effects system along with any other air conditioning and heating product you may need. Contact us today for a free consultation.

I have no air conditioning, what can I do?

Below you will find a variety of trouble-shooting tests that you can perform. If you have any questions please contact A-Star Heat and Air, Inc. at 972-485-0813.

First check your fuse box. Check fuses for your air conditioning and heating system and replace them if bad.

Check your digital thermostat, it may need new batteries.

Keep your outside condensing unit clean: turn off thermostat, take a garden hose spray the outside unit down for about 2 minutes, or until any debris is washed off. Let dry for 10 minutes, and then turn your thermostat back on.

If you still do not have any air conditioning, please contact us at 972-485-0813, we will be more than happy to come out and trouble shoot the problem.
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We hope this page has been informational and has provided us an opportunity to earn your trust. If you have any further questions, please feel free to contact A-Star Heat and Air, Inc. at 972-485-0813. For your convenience, you may also request services from this site.


Thank you for your interest in A-Star Heat and Air, Inc. We look forward to serving you soon!

Financing Available
972-485-0813
Since 1996

We accept all major credit cards
Serving The Dallas Texas Area
TACLB-00028662E

Proudly serving the Dallas Area including the cities of Addison, Allen, Anna, Argyle, Balch Springs, Baronville, Blue Ridge, Buckingham, Carrollton, Cedar Hill, Celina, Cockrell Hill, Combine, Coppell, Copper Canyon, Cornith, Cross Roads, Dallas, Denton, Desoto, Double Oak, Duncanville, Fairview, Farmers Branch, Farmersville, Flower Mound, Frisco, Garland, Glenn Heights, Grand Prairie, Hackberry, Hebron, Hickory Creek, Highland Park, Highland Village, Hutchins, Irving, Josephine, Lake Dallas, Lakewood Village, Lancaster, Lavon, Lewisville, Lincoln Park, Little Elm, Lowry Crossing, Lucas, McKinney, Melissa, Mesquite, Murphy, Navo, Nevada, New Hope, North Lake, Oak Point, Parker, Plano, Princeton, Prosper, Richardson, Roanoke, Rowlett, Royse City, Sachse, Saint Paul, Seagoville, Shady Shores, Sunnyvale, The Colony, Trophy Club, University Park, Van Alstyne, Weston, Wilmer, and Wylie.
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