Here is a collection of frequently asked questions that we have put together to assist you. If you have any other questions, not listed here, feel free to call or send an email.



  • Q: What is the average life expectancy of air conditioning and heating system?


    A: The average life expectancy of an a/c and heating system is 12 to 15 years if it is installed and maintained properly.


  • Q: How often should I have my system serviced?


    A: You should have your system serviced twice a year. Once in the spring before the cooling season and once in the fall before the heating season.


  • Q: What is duct cleaning?


    A: Duct cleaning refers to the cleaning of various parts of the heating and cooling system components. Not only does duct cleaning increase the air quality in your home, but it can also be energy saving. Contaminants in the heating and cooling system cause it to work harder and shorten the life of your system.


  • Q: What should I do if my system is frozen?


    A: We recommend that you turn your system off and the fan in the on position, then call us to come check it out.


  • Q: What is a heat pump?


    A: Heat pumps employ the same principles that an air conditioner uses to heat and cool your home. Air conditioners work by pumping refrigerant through a series of tubing and coils. The heat is removed from the air and then blown through your home through a series of ducts. A heat pump does the exact same thing as an air conditioner, but it is able to reverse the process to blow hot air though your ducts as well.


  • Q: What are my payment options?


    A: We accept Cash, Check, MasterCard and Visa. We also have financing options available.





Johnson Air
Ph: 936.646.3021
140 Kickapoo Creek
Onalaska, TX 77360 US
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