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TRUSTED BY RALEIGH, NC HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon2.2k+
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Raleigh - Updated Nov 2026

Avatar for Air Quality Concepts
Air Quality Concepts
4.9(
260
)
Air Ducts & Vents - Clean

Serving Raleigh, NC and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Very well. Techs were held up but called to alert me and arrived exactly when they predicted. They were quick and efficient, and also very respectful of the home. They finished more quickly then anticipated. The HVAC system is quieter since they performed the work and I notice less dust. I could not be more pleased."
Before
After
Before
After
Before

+6

Response time7 hrs
10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Comfort Monster Heating & Air / G&M
Comfort Monster Heating & Air / G&M
4.6(
50
)
Central A/C - InstallGas Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Install+18 more

Serving Raleigh, NC and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"This was an unusual situation. In talking to Phil, the owner; and Randy, the former owner, I was treated very fairly when I brought my situation to their attention. Though it took awhile to coordinate communications between them and myself (busy schedules), once they surveyed the situation, they were very responsive. Their supervisor for system installation, Perry Allen, reviewed my HVAC system and came up with a great solution to the problem. He returned with all the required supplies and worked hard to ensure I had the proper solution. Perry was absolutely terrific (his colleague too). He not only wanted to fix the problem, but to do it the best way.
I'm very pleased with Gand M Service Company and would highly recommend them for new HVAC systems as well as service contracts.
"
Carrier System
Best HVAC Company
Central A/C Repair
Heating & Air
Response time9 hrs
14 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for M.S.G Heating & Air
M.S.G Heating & Air
5.0(
25
)
Central A/C - Service or RepairCentral A/C - InstallThermostat - Install or Replace+14 more

Serving Raleigh, NC and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"I love Mr. Wanders and MSG! I will be hiring MSG for all my future HVAC needs! They are a "Top Rate" company! They have absolutely earned it and they deserve it! Thanks again for a great HVAC experience!!"
GAS PACK INSTALL
HEAT PUMP CHANGEOUT
MINI SPLIT INSTALL
CLEANING
CLEANING

+1

Response time10 hrs
6 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Cape Fear Air, Electric & Plumbing
Cape Fear Air, Electric & Plumbing
4.8(
682
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+19 more

Serving Raleigh, NC and surrounding areas

Approved

Super Service Award Winner

In business since 1973

Free estimates

Emergency services offered

"which went far beyond any previous "standard" spring checkup. Brandon also share technical details of the tests and results. Not everyone wants to hear, but I am very interested and learned a lot about HVAC from Brandon . I have already made an appointment for the same service for my new house!"
cooling
 heating
 air conditioning
 air conditioning
Response time1 day
Response rate100%
212 neighbors recently requested a quote
Avatar for Dominion Service Heat and Air
Dominion Service Heat and Air
4.1(
183
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+9 more

Serving Raleigh, NC and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Dominion Services did a great job installing our new HVAC system. They worked with us to help determine the best system for our home and budget. Excellent and friendly service, install and follow-up. Superb customer service and at a great price. I recommend them for all your HVAC needs."
Homeowner
new hvac install
A/c unit
furnace
heat pumps

+7

Response time3 hrs
27 neighbors recently requested a quote
Recommended by85%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Running a window air conditioner unit costs about $0.06 to $0.88 per hour. Choosing the correct size air conditioner can help it run more efficiently.

There are several AC unit problems to troubleshoot, but luckily you can identify them by keeping a close eye on your system. Look out for the following signs that your AC needs repair:

  • Unusual noises during operation

  • AC unit blows warm air

  • AC unit doesn’t come on or turn off with temperature changes

  • Strange odors come through the vents

  • AC unit cycles on and off rapidly

  • Indoor air is more humid or less comfortable than usual

  • AC unit keeps tripping your breaker

  • Fan in the outdoor compressor doesn’t operate when the AC is on

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options. It can also let you see if one contractor’s prices are much higher or lower than the others and give you a chance to ask for clarification. That way, you can weed out any contractors who aren’t providing quality services or materials and find the company that best meets your budget, quality requirements, and long-term goals.

One of the fastest ways to unfreeze an AC unit is to turn off the unit and, if it’s warm outside, use the fan-only mode to help blow warmer air through the unit to speed up the defrosting process. While it may be tempting to use a hair dryer to defrost the air conditioner, that high heat can damage the coils.

After defrosting, if you can safely solve the issue with a fix like changing the filter, go ahead and do so. Otherwise, call in a pro before turning your AC back on.

There are several steps you can take to prevent your AC drain from clogging. This includes cleaning the drain line at least every three months, changing the filter every one to three months, and getting your AC serviced annually. Also, if any problems arise with your AC, hire an HVAC technician to deal with them ASAP.

The Raleigh, NC homeowners’ guide to heating and air conditioning services

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