
Serving Jamestown, NC and surrounding areas
Approved
In business since 1991
Emergency services offered
Warranties offered
"The repairman was friendly and efficient - he quickly diagnosed the problem and got the unit cooling again."



Serving Jamestown, NC and surrounding areas
Approved
In business since 1991
Emergency services offered
Warranties offered
"The repairman was friendly and efficient - he quickly diagnosed the problem and got the unit cooling again."


Serving Jamestown, NC and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Quick response, polite and very professional. Stephanie, the technician, explained in details what the issue with my central air unit was. Explained the options to repair and costs. Stephanie fix the issue , was very professional and answered all my questions."





+7

Serving Jamestown, NC and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"Chris Dorman was professional and easy to talk to you. He came on time and did a wonderful job repairing our air conditioner. He was thoughtful and helpful. No question that Dorman Air will be our go to company for any air or heat issues."




Serving Jamestown, NC and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Free estimates
Emergency services offered
"I recently had the pleasure of working with QRC, Inc. for our commercial HVAC needs, and I can’t say enough about their exceptional service! From the moment we reached out, their team was professional, responsive, and genuinely invested in solving our issues. They arrived on time, quickly diagnosed the problem with our system, and provided a cost-effective solution that got our business back up and running without a hitch. The technicians were knowledgeable, courteous, and went above and beyond to ensure everything was perfect before they left. QRC, Inc. truly understands the importance of reliable HVAC/R service for commercial spaces, and their attention to detail and customer care is unmatched. I highly recommend them to any business looking for top-notch service"





+21

Serving Jamestown, NC and surrounding areas
Approved (Corporate)
In business since 1972
Free estimates
Credit card accepted
"Heat pump actually needs to be replaced. Tech showed me video and testing he performed. And why my heat pump was not working. Got up to a cold house this morning. Tried everything I knew to get the house warmer. Called ARS, the scheduled tech and he showed up the same day. I will have to wait for new heat pump to come in. I am satisfied with service so far."


Serving Jamestown, NC and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"The were great and really good. They make sure that the unit was working properly."





+4

Serving Jamestown, NC and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"The service persons showed up in a timely manner-showed me what the problem was. Cleaned the coils, which hadn't been cleaned since the installation was done in 2004, I was surprised at the amount of dirt that had accumulated. I appreciated them going over everything that was needed. Unit has been running smoothly since their visit."


Serving Jamestown, NC and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"This company is fantastic. I have used them for the past 7 years since relocating to North Carolina and they have always completed the work in a timely, cost effective manner. We have had the privilege of working with the same Service Tech. (David) that entire time. In my experience as a homeowner (35+ years) that is unheard of. David is on time for appointments (or calls is running late or early), quickly responds to emergency heating/cooling situations, and looks for repair solutions that will take care of the issue for the least possible cost. It is reassuring to "know" your tech. and have a good feeling about the job he is doing. We also have an annual service agreement with Duggins. We have two furnaces (one electric and one gas) and two a/c systems. Their annual service fee, in my opinion, is very reasonable. He spends whatever time necessary to do the job right. Our home was new construction and in the first couple of years we had a major repair to the system. Duggins did not do the original install but reached out to the manufacturer to make sure that the warranty work was covered. This may not seem like a big deal, but I was not aware the unit was still under warranty, and would have paid for everything - I do not believe all companies would even check about the warranty. I have no reservations recommending Duggins based on 7+ years personal experience with them!"

Serving Jamestown, NC and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"The company is so helpful and actually cares about getting things right! AC works better than ever and I am ready for the summer now!"


Serving Jamestown, NC and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"I've worked with them for 12 years, high integrity, quick service and always honest."





+8
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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