Serving Mount Mourne, NC and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Aire Serv replaced parts in an upstairs HVAC air handle. On time and no issues with the repairs that were competed."
+2
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 1927
Free estimates
Emergency services offered
"He di wahat he could, but it ended up being a main drain, so I had to call a plumber as well."
+66
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Mike has been coming to my house to do work on my heating and air systems for a decade. He is always reliable, friendly, on time and a true pleasure to have around. I will always use Cool Comfort for my HVAC needs!!! :)
"
+36
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"The A/C repair technician (Jonathan) was very thorough in his troubleshooting. He is extremely knowledgeable and clearly explained the diagnosis and repair options. He explained the immediate repair as well as issues to anticipate with my fairly old (15 year old system), including the caution that my systems R22 refrigerant is no longer being produced and is becoming cost prohibitive to replace (I.e. for recharging). T.Byrdâ s gave an excellent price for the parts replacement and repair. Jonathan also explained the efficiencies of current models and a ballpark figure and timeframe that I could use in planning for a full unit replacement. Outstanding work, outstanding on-site customer service. And special thanks to HomeAdvisor & Angie for including T.Byrdâ s Heating and Air, LLC among the referrals for obtaining estimates and service date availability. This has been a great experience and it was a big deal for our A/C to fail just as the Charlotte summer heat had gone Inyo the 90â s!"
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2010
Credit card accepted
At Alcides Pastora HVAC Services, we specialize in HVAC repair, maintenance, troubleshooting, and window system installations. We are committed to providing honest recommendations, quality workmanship, and reliable service at fair prices. Whether you need air conditioning repair, heating service, preventive maintenance, or emergency diagnostics, we work hard to keep your home comfortable year-round. Customer satisfaction, clear communication, and attention to detail are our top priorities
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2010
Free estimates
Warranties offered
"Answered all my questions, provided a competitive quote. Arrived on time. Quality of work. Filed product registrations and power company rebates. Could not be happier with work performed.
"
+2
Serving Mount Mourne, NC and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Very quick to respond as well as to come out and look at the problem. Turns out it wasn’t what I thought it was. Had to replace outside unit. Got it done in timely manner. Highly Recommended!!"
Serving Mount Mourne, NC and surrounding areas
Approved
Emergency services offered
Credit card accepted
Customers say: True professional
"Always a great job! On time and reasonable. Best call you can make!"
+3
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Great experience! Highly recommend his services!"
Serving Mount Mourne, NC and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Well pleased with company. Would recomend them to anyone needing heating&air repair."
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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