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Avatar for Advanced Appliance & Air Repair LLC
Advanced Appliance & Air Repair LLC
4.7(
103
)

Serving Dunn, NC and surrounding areas

Approved

In business since 2002

Warranties offered

Credit card accepted

"Called in these folks for a recurring problem with our 2nd floor AC unit leaking freon. Other vendors had investigated, but we had not yet come up with a consensus on the diagnosis. Very nice, very professional. First visit was unable to produce any insight, but I felt due diligence was quite thorough. A second appointment was setup to run a more thorough regression test. Unfortunately, it too was inconclusive. I felt they had done everything they could to diagnose a very tricky issue. Their final prognosis was that it had to be one of a couple of very rare and odd possibilities. Didn't feel too comfortable with this, but had no basis to argue. Total cost at this point between the two visits was $300 with no real progress. Eventually, we stumbled upon an excellent veteran AC repairman who investigated and confirmed an earlier hunch, and was able to explain why. We hired him to fix the problem, a leaky compressor coil (had to replace), and we've have never had a problem since. Now that we know what the issue was, I'd have to say I'm fairly disappointed with this vendor's performance. They firmly disputed the compressor coil as a possible cause. And we paid a decent amount of cash for this misdiagnosis. We'll stick with the guy who eventually fixed the problem as our AC repairman from here on out.
"
Additional Photos
13 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Comfort Monster Heating & Air / G&M
Comfort Monster Heating & Air / G&M
4.6(
50
)

Serving Dunn, NC and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"In summary: They were - Friendly - Accommodating - Error prone, both in installation and in documentation. - Willing to work until they finally got issues fully resolved. More detail below: Eventually, with enough effort on my part, I think I got a good installation with an accurate invoice. I believe that they were interested in providing a good installation. But there were many errors along the way which only I caught so that they could be corrected, both with the installation and the invoice. They were extremely friendly and easy to work with. I, like many engineers, research systems like these before starting the quoting process. So I knew enough to know many of the items to watch for to ensure a quality installation. For instance, when their technician came out to do the quote, I asked if the following things would be done: 1) Flush the existing coolant lines to clean them out, 2) Check the CFM (cubic feet per minute of airflow), and 3) When brazing the copper supply lines, would they flood them internally with nitrogen to eliminate oxidation, which can cause reliability problems years later. The answer to all three of these was yes. However, at installation, 1) They did not flush the coolant lines. Later they told me that Carrier advises against it, which is fine. But why their technician say that they would do it? 2) They did not check the CFM, until after a couple of later requests from me to do it on a return visit. 3) Their technicians did not plan on brazing with nitrogen even though they had a tank of nitrogen with them. They said that they didn’t even know how to do a complete nitrogen braze, which means that they had been installing HVAC systems without doing it for years. I wonder about the reliability of those other installations. Eventually, another technician with more training arrived and showed them how to do it. In addition, during the installation, they did not level the compressor correctly until I pointed it out to them. They later fixed this. The first thermostat they installed was a nice one, but it was wired incorrectly. I found this and reported it to them. Also, it was the wrong type. It did not have a way to activate the HVAC’s special feature to reduce humidity beyond that which a typical system does. I paid quite a bit more for a system which had this feature, but unless I had noticed this, I never would have gotten it. They came out and replaced the thermostat with another thermostat with the humidity control feature. But for whatever reason, when it thought it was time to reduce the humidity, it just turned on the blower, which does nothing to reduce humidity. I found that neither of the first two thermostats was the more expensive one which Carrier recommended as part of the installation. I reported this to them, and they then came out to install the third thermostat which finally got things working right. They did not charge me anything for the more expensive thermostat. It took 5 different invoices from them before I got one which had no errors in it. Problems included: no factory rebate included, factory rebate added, rather than subtracted from price, wrong equipment listed, and wrong serial numbers. I caught all of these problems and had them fixed. They also found that they had to change the thermostat model on one of the revisions of the invoice. This worked to my benefit as the changed thermostat model increased my factory rebate considerably. Finally, after paying them, they did not send out a receipt showing that I had paid them, even though I was told that I would get one by email. After not getting it, they simply took the final invoice, and hand-wrote on it that it was paid, the amount, the date, and the name of the person who wrote this by hand. They scanned it and emailed it to me. When I asked if there was not a more formal receipt, they said that this is all they supply for those who ask for payment documentation. Again, I think their heart was in the right place. When there was an error found, they did everything they could to make it right. But it was generally me, not them, who found the errors. I am not an HVAC expert, but still found the issues. They were generally quite friendly to work with."
Additional Photos
Additional Photos
Additional Photos
16 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Servtechs Heating and Air
Servtechs Heating and Air
4.8(
74
)

Serving Dunn, NC and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"My a/c wasn’t discharging cold air yesterday so I called at 9:00am and left a message they returned my call within 7 minutes and I had a worker at my house an hour after my callback! The worker fixed my unit within 20 minutes! He was very professional and courteous! 100% will recommend!!"
Goodman Condensers
Package heatpumps
Replacement
Response time1 day
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for ARS / Rescue Rooter Raleigh
ARS / Rescue Rooter Raleigh
4.2(
242
)

Serving Dunn, NC and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

"ARS did a very good job installing my air conditioning unit. They took the time necessary to move a piece which was in the way of installation. Then it was put back in the appropriate manner and when a part didn't work, they rigged it to work until the part could be replaced. The part was replaced the next day and the AC works as it should."
New System Installation
584 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Dominion Service Heat and Air
Dominion Service Heat and Air
4.1(
183
)

Serving Dunn, NC and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Terrone responded immediately to our request for service on Saturday. He came to service our air-conditioner which was working minimally. He did fix it and it gave us relief from the heat. However, we knew that our heat pump/air conditioner was in need of replacement. Terrone talked to us about options, gave us some time to do research on the best choice for our home and came back to do the installation. His pricing was reasonable. He and Caleb worked to removed the old system, install the new system, install our new Smart Thermostat ( I-Comfort) and come back to check on the system and us that everything was working correctly. What makes our experience with Mr. Terrone Street so satisfying, both from a professional standpoint of excellent service but also and equally important from a personal standpoint, is that Mr. Street is is a man of integrity, character and dedication. He is honest and attentive, working always to do his very best for his customer as he would want for himself or his family member. He will do his best for you too, with commitment, capability, positivity and honesty."
Homeowner
new hvac install
A/c unit
furnace
heat pumps

+7

Response time2 hrs
37 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Blanton's Air, Plumbing & Electric, Corp.
Blanton's Air, Plumbing & Electric, Corp.
4.6(
383
)

Serving Dunn, NC and surrounding areas

Approved

In business since 1951

Emergency services offered

Warranties offered

"I had originally called another company when my AC started blowing warm air. They came out and checked the unit. They found that the coolant and Circuitry were fine. They next checked the blower. Afterwards, the tech told me what he thought the problem was, but it would cost $1400 to find out. Then I called Blanton. Eddie came out and checked the coolant and circuitry, which were fine. He then checked the blower. After he took the panel off it took him about 3 seconds to find the problem. A switch had shorted causing the heat coils to come on. Essentially, the unit was trying to heat and cool at the same time. He replaced the switch, cleaned the blower fan, the coils, and serviced/cleaned the outside units all for less than what the other tech thought the problem was. I will Continue to use them in the future."
Maintenance
Maintenance
Maintenance
Maintenance
HVAC

+1

50 neighbors recently requested a quote
Recommended by95%of homeowners
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FAQs for air conditioning projects in Dunn, NC

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.

The Dunn, NC homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.