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Avatar for Acosta Heating, Cooling & Electrical
Acosta Heating, Cooling & Electrical
4.4(
468
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Waxhaw, NC and surrounding areas

Approved

In business since 1972

Warranties offered

Credit card accepted

"They come out every 6 months and do service on my unit. They check the air conditioning out in the spring and then the heating in the fall. I have been using them for 10 years. They are very responsive. The technicians are very knowledgeable and they are very reliable. They have always been very good with me. I haven’t really gotten a lot of experience in the last 10 years with anyone else. It has been very good."
AC Maintenance
Heating Repair
AC Maintenance
Heating Repair
AC Maintenance

+8

Response time11 hrs
Response rate100%
25 neighbors recently requested a quote
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Avatar for Brothers- ARS Air, Heat, and Plumbing
Brothers- ARS Air, Heat, and Plumbing
4.5(
199
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+2 more

Serving Waxhaw, NC and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1995

Free estimates

Credit card accepted

"This company was just wonderful. Our new home had a huge job and they got it all completed in one day. They worked a 12 hour day just to insure we had air conditioning when we went to bed. Heath was amazing and very knowledgeable."
System Installation
791 neighbors recently requested a quote
Recommended by66%of homeowners
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Avatar for Horne Heating and Air Conditioning
Horne Heating and Air Conditioning
4.7(
1,434
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Waxhaw, NC and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Bryan Hayla, our technician, does a great job for us. He does great work, consistently goes the extra mile to point out Issues we should be aware of and always reviews in detail the work he has done. We recommend him, and Horne Heating and Air Conditioning without reservation."
clean new lines between home and unit
After - HVAC System on the right was replaced.
After - HVAC System
Previous AC Unit
A surge protector installed with the new system, protecting your investment

+20

Response time8 hrs
Response rate100%
16 neighbors recently requested a quote
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Avatar for Mabreeze HVAC
Mabreeze HVAC
5.0(
19
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+1 more

Serving Waxhaw, NC and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Great customer service and work done in a timely manner!! No hidden fees with reasonable prices!! Would recommend this company to anyone that has any heating or air needs."
Condensers
Bryant Legacy™
Bryant Preferred™
Carrier Mini Split
Bryant/Payne Base System

+7

Response time2 days
Response rate100%
1 neighbors recently requested a quote
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Avatar for NuBlue Air
NuBlue Air
4.4(
52
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+3 more

Serving Waxhaw, 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!!!  :)
"
HVAC Installation Services
Vent & Duct Cleaning
Indoor Air Quality Solutions
Thermostats
HVAC Maintenance

+36

Response time1 day
7 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for Hutch-N-Son's HVAC
Hutch-N-Son's HVAC
5.0(
34
)
Central A/C - Service or Repair

Serving Waxhaw, NC and surrounding areas

Approved

In business since 2003

Emergency services offered

Customers say: True professional

"Chris did a great job replacing evaporator coil in our A/C system. Knowledgeable, punctual and friendly. The price was very competitive. Definitely recommend this company and will use them for future service and projects."
Response time3 hrs
Response rate96%
Recommended by93%of homeowners
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Subnet Zero Air Condition and Heating
4.6(
37
)
Central A/C - Service or Repair

Serving Waxhaw, NC and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"Reagan called to ask about my issue with my AC, and made time to come by my house the same day. He called prior to arriving and came at the time he said he’d be here. He was professional, courteous and informative. I would recommend him, and will absolutely contact him again for future HVAC needs."
Response time5 hrs
Recommended by96%of homeowners
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Avatar for Alcides Pastora
Alcides Pastora
5.0(
11
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceWindow A/C Unit - Install

Serving Waxhaw, 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

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Avatar for Right Guys Heating & Air
Right Guys Heating & Air
5.0(
17
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Waxhaw, NC and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Right guys, heating and air replaced my furnace and air conditioning system. Nick and his crew were so professional, neat, clean and very knowledgeable. I am so thankful I hired them to do my work. They were simply amazing!"
Heat Pump Outdoor
Air handler in attic
Gas furnace
Heat Pump
Heat pump

+2

Response time5 hrs
Response rate100%
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Avatar for Mr. Furnace HVAC Services
Mr. Furnace HVAC Services
5.0(
26
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Waxhaw, NC and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Neal is the best! we contacted him after arriving home from vacation with burnt out ac heat pump and 83 degree home. He sent a quote over instantly and the price great! He was here till late at night making sure we had a cold ac and that it was. WE will definitely refer him to everyone."
Unit needing cleaning
Unit being Cleaned
Clean and Running Unit
HVAC repair or replace
HVAC repair or replace

+6

Response time5 hrs
Response rate88%
16 neighbors recently requested a quote
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Showing 1-10 of 307

FAQs for air conditioning projects in Waxhaw, 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 Waxhaw, NC homeowners’ guide to air conditioning services

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

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