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Avatar for Appalachian Air Ducts
Appalachian Air Ducts
4.8(
516
)
Air Ducts & Vents - Clean

Serving Denver, NC and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"I initially scheduled an appointment to have my dryer vents cleaned. Kevin arrived earlier than the scheduled time and that was much appreciated (he actually called to ask if he could come earlier). After he took care of the dryer vents, I asked if he could take a quick look at the fan/exhaust in one of my bathrooms and let me know if I could schedule a later date to have those cleaned. Not only did Kevin take a look, but he cleaned them with a smile and no extra charge. Kevin, with Appalachian Air Ducts, is a true professional and I will absolutely hire them in the future!"
Additional Photos
Additional Photos
Before
After
Response time2 days
2 neighbors recently requested a quote
Recommended by94%of homeowners
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 Denver, NC and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"From start to finish . . we had a great experience. Larry and Marlon came within a day of contacting Horne to evaluate our previous HVAC and see exactly what we needed. It was determined that our HVAC was in need of being replaced . . and from there we were helped in getting the financing needed and an appointment was quickly set up, our HVAC was installed and we had air conditioning once again. The install was so smooth. Nick and Martine were so professional and courteous and worked hard from the moment they got there to make sure everything was done/installed correctly. They both were very efficient and even vacuumed after the job was done!! The next day I had to call the office to set up an inspection . . and even Rebecca was friendly, courteous and set up the inspection within the next day too. All along the way/throughout the process we received emails and/or texts . . to remind or let us know that someone was on the way and even a picture to help ensure our safety of who to expect. Horne has replaced both of our air conditioning units and both experiences have been great!! I would highly recommend this company anytime. They are quick, professional, courteous, efficient and each time . . a job well done!!"
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%
26 neighbors recently requested a quote
Avatar for GSM Services
GSM Services
4.7(
105
)
Central A/C - InstallAir Ducts & Vents - CleanCentral A/C - Install - For Business+3 more

Serving Denver, NC and surrounding areas

Approved

In business since 1927

Free estimates

Emergency services offered

"I called GSM inquiring about their HVAC and insulation services. I also asked if I could have someone perform a Manual J load calculation (surprise to me, the Manual J calc was free!) as I felt that my existing heat pump was sized too small for my home (2.5 ton dual-zone single stage heat pump for 2200sq ft 2-story house). We agreed on an appointment time, and they sent Kelly out to my house. Kelly was very nice and professional, and did a thorough job explaining what all could be done and what my options were. Due to having so little room to work inside of the mechanical closest, you would have to remove the air handler completely just to wrap all of the duct work. Since I would be removing the old air handler that was 8 years old anyway, I decided to replace the entire system with a new Amana 3-ton 18 SEER dual-zoned heat pump. Kelly also told me they could seal up the hole & the mechanical closet so that hot air could no longer enter that space as well. I agreed to their quote, and they came out a week later (it would've been sooner but GSM wanted to make sure that the new system was designed properly, so they had to architect and design the layout of the new equipment to fit the small space) to do the work. Owen and Jason came out to perform the installation. They were both very professional & thorough, and they did an excellent job with the swap out & installation of the new heat pump. When GSM told me that it would take two days to do the work, I was prepared to be miserably hot trying to sleep at night with no air conditioning. Not only did GSM bring a portable AC unit for me use that evening so that wouldn't be the case, Owen and Jason actually got the heat pump wired and working the first day so I had full AC that evening, and the portable unit wasn't needed! They also insulated the attic space & mechanical closet with spray foam and foam board so the hot attic air will no longer be an issue. All in all, my experience with GSM has been great! They've been easy to communicate with throughout the entire process, they did an excellent job with the installation of the new equipment, and now I can rest easy knowing that everything has been taken care of!"
New Air Conditioners
AC System Replacement in Charlotte, NC
Dust and debris from ductwork pulled into the duct cleaning machine
Dryer Vent Cleaner Charlotte, NC
Ductless Mini Split Installation

+66

Response time1 day
41 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for NuBlue Air
NuBlue Air
4.4(
52
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Denver, 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
6 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Alcides Pastora
Alcides Pastora
5.0(
11
)
Central A/C - Service or Repair

Serving Denver, 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

Avatar for Accu-Rite Services Inc
Accu-Rite Services Inc
4.8(
20
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Denver, NC and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"The owner Mike made the call. Very professional and knowledgable. This house is new to us and we were quite sure the units had never had any maintenance done on air conditioners. The house was built in 2001. When the upstairs unit stopped cooling we called Accu-Rite. Got the name from our neighbor who had used them and was very pleased. We would use them again especially when we replace units. Would highly recommend. The company doesn't advertise much as the owner wants to build his reputation on quality work for his customers and word of mouth business. He took the time to answer all our questions and never ever tried to sell us more than was necessary or appropriate.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Guardian Heating and Cooling
Guardian Heating and Cooling
5.0(
10
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Denver, NC and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

With years of hands-on experience and a commitment to reliable comfort, we specialize in heating, ventilation, and air conditioning solutions tailored to homes and businesses alike.\n\nOur legacy is built on honest service, skilled craftsmanship, and personalized care. Whether it’s a simple repair or a complex installation, we treat every customer like family and every project like it’s in our own home. From emergency services to routine maintenance, we’re here when you need us most—rain or shine, hot or cold.

Founders
Install
Goodman
Goodman
Gree

+4

Response time4 hrs
Response rate100%
16 neighbors recently requested a quote
Avatar for American Air and Mold Solutions, LLC
American Air and Mold Solutions, LLC
4.6(
464
)
Air Ducts & Vents - Clean

Serving Denver, NC and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I was extremely impressed with Chris and his crew who worked on my air system and crawl spaces duct work. Chris especially explained the work that needed to be done in terms I could understand clearly. Highly recommend this company."
American Air and Mold
Duct cleaning
Duct cleaning
Duct cleaning
Duct cleaning

+7

11 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Perrin Bradley Heating and Cooling, LLC
Perrin Bradley Heating and Cooling, LLC
5.0(
5
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessWindow A/C Unit - Service or Relocate

Serving Denver, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with.\n\nCall us today you'll be pleased you did. Thank you

Mini split install
Mini split install
Outdoor Gas Logs
Response time2 days
Response rate100%
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Air Conditioning questions, answered by experts

No, it's not advisable to only replace the outside AC unit connected to your system. AC units are designed to work as a cohesive system, and older units work differently than newer units. Therefore, replacing only one component can lead to incompatibilities that affect the system’s performance. Replacing one component can void your warranty, costing you money for repairs.

If your AC condenser is nearing the end of its life, it might leak fluid or make loud or unusual sounds (like grinding or hissing). You might also notice that it isn’t heating your home as evenly or effectively as it once did. Also, an aging condenser will have to work harder to cool your home, which may force it to use more power and drive up your utility bills.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

You should clean your air conditioner at least once per year, but you may need to clean your whole HVAC system (including the air ducts) more often. According to the National Air Duct Cleaners Association, you may need to clean them more frequently depending on factors like whether you smoke, have pets, or have allergies.

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

The Denver, NC homeowners’ guide to air conditioning services

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