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TRUSTED BY COLUMBIA, NC HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon73
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Columbia, NC

*The Angi rating for Heating And Air Conditioning Service companies in Columbia, NC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Columbia, NC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on December 01, 2025

Find Heating and air conditioning pros in Columbia

Seven7Services Home improvement & handyman services

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Seven7Services Home improvement & handyman services

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Seven7Services Handyman & Home improvement provides 7+ trusted services ranging from Plumbing, Drywall installation ,Repairing damaged gutters, Fixture replacement, Patching and painting, Laying tile, Painting, Deck construction and more! Our employees take pride in their work and in our customers %100 satisfaction!

Seven7Services Handyman & Home improvement provides 7+ trusted services ranging from Plumbing, Drywall installation ,Repairing damaged gutters, Fixture replacement, Patching and painting, Laying tile, Painting, Deck construction and more! Our employees take pride in their work and in our customers %100 satisfaction!

Avatar for Air Duct Squad

Air Duct Squad

5.00(
4
)

Air Duct Squad

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Air Duct Squad has many years of service in the HVAC industry. We're the go-to company for the heating and air conditioning service you need in Portland. Our experienced technicians are familiar with equipment makes and models from practically every manufacturer. Customer satisfaction is one of our highest priorities, and we'll work hard to get your ducts cleaned right the very first time we tackle it.

"Great deal, great service, and they are all beyond professional and courteous. Cannot explain to you enough how happy I am with the service I received!"

Kaylin B on March 2021

Air Duct Squad has many years of service in the HVAC industry. We're the go-to company for the heating and air conditioning service you need in Portland. Our experienced technicians are familiar with equipment makes and models from practically every manufacturer. Customer satisfaction is one of our highest priorities, and we'll work hard to get your ducts cleaned right the very first time we tackle it.

"Great deal, great service, and they are all beyond professional and courteous. Cannot explain to you enough how happy I am with the service I received!"

Kaylin B on March 2021

Avatar for Air Duct Crew

Air Duct Crew

5.00(
2
)

Air Duct Crew

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Air duct crew is one of the oldest company on the market. Started in 2001 as family owned. Still operating proudly as one of the leading air duct cleaning, dryer vent cleaning and chimney cleaning company. Our goal is to ensure the quality of service and best level of cleaning to our every customer. We are proudly servicing commercial and residential projects of every difficulty.

"Air Duct Crew did a great job and I REALLY appreciated the guys that showed up to do the job. Very nice and professional, had no concerns about them at all."

Abigail T on March 2021

Air duct crew is one of the oldest company on the market. Started in 2001 as family owned. Still operating proudly as one of the leading air duct cleaning, dryer vent cleaning and chimney cleaning company. Our goal is to ensure the quality of service and best level of cleaning to our every customer. We are proudly servicing commercial and residential projects of every difficulty.

"Air Duct Crew did a great job and I REALLY appreciated the guys that showed up to do the job. Very nice and professional, had no concerns about them at all."

Abigail T on March 2021

Holley Heating & Air Conditioning Company

4.67(
6
)

Holley Heating & Air Conditioning Company

4.67(
6
)
Customers say: Quick response
38 years of experience

Welcome to Holley Heating & Air Conditioning! Holley Heating & Air Conditioning offers complete heating and cooling services to Cashiers, North Carolina, and the surrounding areas. Locally-owned and operated since 1987, we have specialized in the sales and services of heating and cooling systems. We also install and service systems that help to purify and circulate the air in your home. We are committed to building a good relationship with each of our customers, and work to ensure that we meet and exceed all customer expectations. Holley Heating & Air Conditioning Services Include: Free Estimate and Home Evaluation Heating and cooling system sales and repair New construction or remodel Top brand names, including American Standard, Mitsubishi, and Honeywell Air filtration systems De-humidifiers Crawl Space Encapsulation and Zoning Service contracts available AND MORE! Contact Holley Heating & Air Conditioning for more information!

Welcome to Holley Heating & Air Conditioning! Holley Heating & Air Conditioning offers complete heating and cooling services to Cashiers, North Carolina, and the surrounding areas. Locally-owned and operated since 1987, we have specialized in the sales and services of heating and cooling systems. We also install and service systems that help to purify and circulate the air in your home. We are committed to building a good relationship with each of our customers, and work to ensure that we meet and exceed all customer expectations. Holley Heating & Air Conditioning Services Include: Free Estimate and Home Evaluation Heating and cooling system sales and repair New construction or remodel Top brand names, including American Standard, Mitsubishi, and Honeywell Air filtration systems De-humidifiers Crawl Space Encapsulation and Zoning Service contracts available AND MORE! Contact Holley Heating & Air Conditioning for more information!

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Heating and Air Conditioning questions, answered by experts

One of the first signs of mold in an air conditioner is a musty smell. You're likely to notice the smell when the unit runs, from the air coming out of the vents or the unit itself. You may also be able to see mold growing on the unit, such as near the condenser coils or by the fan. In some cases, there may be visible mold by the vents.

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

No, for two very important reasons. First, it’s illegal to release refrigerant into the air or ground since it can be toxic and cause environmental damage. Technicians typically pump old or extra refrigerant into separate tanks for special disposal. Second, without professional equipment to read refrigerant pressure and levels, plus the AC’s suggested requirements, it’s impossible to know if you’ve removed the right amount of refrigerant. Stay away from a DIY solution here and seek an expert with the right tools.

To make the most out of your AC, consider implementing the following best practices: 

  • Choose the right size AC for your home to ensure your unit runs as efficiently as possible.

  • Choose a window with shade, as direct sunlight can cause your AC unit to overheat. 

  • Clean or replace the filter at least every two months. 

  • Inspect the AC’s fan and straighten it if necessary. 

  • Discontinue use immediately if you suspect a malfunction, as running the AC while broken can lead to significant issues. 

  • Turn off (or adjust the temperature) when you leave the house.

While Freon is mostly odorless, a Freon leak will produce a faint chloroform-like smell. Some people find that Freon's odor has a subtle sweetness to it. Some telltale signs of a Freon leak beyond odor include ice crystals on your evaporator coil, bubbling sounds, and hissing noises.  

The Columbia, 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.

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