
Serving Ellisville, MS and surrounding areas
Approved
Super Service Award Winner
In business since 2013
Emergency services offered
Credit card accepted
"Air South has us cooler than a fan"





+3


Serving Ellisville, MS and surrounding areas
Approved
Super Service Award Winner
In business since 2013
Emergency services offered
Credit card accepted
"Air South has us cooler than a fan"





+3

Serving Ellisville, MS and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"This firm is the most professional that I have ever worked with, as a consumer do not overlook their name. I’m pretty particular and they meet all qualifications."





+21

Serving Ellisville, MS and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"Excellent service! Harry and his technician Zurich were professional and courteous. I had a new A/C installed in a timely manner and at a reasonable price. I highly recommend Harryâ s Heating and air to anyone needing a new unit or repairs."
Serving Ellisville, MS and surrounding areas
In business since 2010
Emergency services offered
Warranties offered
"Nice & professional young man."

Serving Ellisville, MS and surrounding areas
In business since 2006
Free estimates
Credit card accepted
"Perfect! They arrived when they said they would and installed the unit quickly then took time to explain the unit’s features and how to use the remote to control the unit, Everyone was very nice, polite, professional and overall, I had an excellent experience with Air Maintenance. Would choose them again without reservation! Excellent!"

Serving Ellisville, MS and surrounding areas
In business since 2018
Free estimates
Credit card accepted
"I highly recommend them! They are great!"





+4

Serving Ellisville, MS and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Jim did a great job. He quickly assessed the problem and then took our unit with him to work on it more. When he got back to us, the fix would have cost more than it was worth. He gave us options for a new or refurbished PC. We felt the refurbished was a good deal and chose that. He came back and set that up and we are very happy with it. He then took a look at my laptop and again took it along. He tuned it up and installed a speed upgrade we wanted. Of course, we paid extra for the new unit and upgrades, but we thought the price was very fair. Jim seemed very knowledgeable and responsive. We will definitely call him again if we need any computer services."



Serving Ellisville, MS and surrounding areas
In business since 2012
Free estimates
Emergency services offered
"Friendly and professional. Make sure the job is done right."





+13
Serving Ellisville, MS and surrounding areas
In business since 1990
Free estimates
"They came promptly and fixed my aircondioning needs to my best satisfaction."
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
From average costs to expert advice, get all the answers you need to get your job done.

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