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TRUSTED BY UNION MILLS, NC HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon94
    Verified heating and air conditioning services reviews

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

Avatar for Carolina Ductmasters, Inc.
Carolina Ductmasters, Inc.
4.5(
1,836
)
Air Ducts & Vents - Clean

Serving Union Mills, NC and surrounding areas

Approved

In business since 1997

Free estimates

Small jobs welcome

"The techs were polite and very professional. Inspected & cleaned our HVAC ductwork and even provided photos of the inside of the ducts. No mess left behind. Very pleased and would hire them again."
Chimney Cap Install
Van
Before.....
Air Duct Cleaning
Commerical Ductwork Cleaning

+14

Response time1 day
Response rate90%
485 neighbors recently requested a quote
Avatar for HG Services
HG Services
4.6(
33
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Union Mills, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Customers say: True professional

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule an estimate today!

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+33

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Miller Light Construction LLC
5.0(
12
)
Central A/C - Install

Serving Union Mills, NC and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Our full-service construction company is committed to delivering exceptional results for every client. With years of industry expertise, our team of seasoned professionals can tackle any project, from commercial and residential to industrial construction. Reach out today to discuss your project needs and receive a personalized quote!

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+17

Response time2 days
Response rate100%
6 neighbors recently requested a quote
Avatar for HVAC Service Corporation
HVAC Service Corporation
New to Angi
Electric Furnace / Forced Air Heating System - Install - For BusinessElectric Furnace / Forced Air Heating System - Repair - For BusinessGas Furnace / Forced Air Heating System - Install - For Business+5 more

Serving Union Mills, NC and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

We have extensive experience providing design, construction, installation and on going maintenance for all of our service lines across a diverse spectrum of industries and asset types. Founded over 75 years ago, HVAC Service Corporation has been a cornerstone in the Carolinas for reliable and efficient HVAC solutions. Our commitment to quality service and customer satisfaction has made us a trusted name in the industry. We are licensed and insured in North Carolina, South Carolina, and parts of Georgia, with our headquarters located in Gastonia, NC. Our mission is to provide top-notch commercial heating and air conditioning services that meet the unique needs of our clients.

Chiller Job
Response time3 hrs
Response rate94%
Avatar for Dan King's One Hour Air Conditioning and Heating
Dan King's One Hour Air Conditioning and Heating
New to Angi
Central A/C - Install

Serving Union Mills, NC and surrounding areas

Approved

In business since 1971

Free estimates

Emergency services offered

One Hour Heating & Air has been serving the Charlotte/Hickory area for 54 years. We promise prompt and professional service to all of our customers. "Always on time, or you don't pay a dime." We look forward to solving all your air conditioning and heating repair, installation and service needs. Call us now to schedule an appointment. At One Hour Heating & Air it is our pleasure to provide heating and air conditioning service to Charlotte and the surrounding areas. We provide legendary air conditioning and heating service to the Charlotte area with fully background checked, drug tested technicians, with at least 5 years of experience. You, the customer, are the most important aspect of our career and we will never forget that. We offer financing. Call us today!

Response time2 days
Avatar for Top Notch Supreme Cleaning Service
Top Notch Supreme Cleaning Service
New to Angi
Air Ducts & Vents - Clean

Serving Union Mills, NC and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Reliable, detail-oriented cleaning services for residential and commercial spaces. We specialize in new construction, move-in/move-out, and Airbnb turnover cleanings—delivering spotless results you can see and feel every time. We don’t just clean—we restore, refresh, and reset your space.

stetson leonard
New to Angi
Air Ducts & Vents - Clean

Serving Union Mills, NC and surrounding areas

Approved

🔧 One Call, Multiple Solutions — 10 Years of Home Repair & HVAC Experience\n\nNeed it fixed, installed, or upgraded? I’ve got you covered.\n\nWith 10 years of hands-on experience, I bring the knowledge, skill, and confidence to handle a wide variety of home repairs, HVAC services, installations, and handyman projects. I take pride in quality workmanship, honest communication, and getting the job done right the first time.\n\nFrom everyday household repairs to more involved installations, my goal is simple: provide dependable service, deliver quality results, and make your life easier.\n\n🛠️ Services I Offer\n\n* HVAC Services: Heating and air conditioning troubleshooting, repairs, and installations.\n* Appliance Installation & Repair: Water heaters, dishwashers, refrigerators, stoves, and microwaves.\n* Cabinet Services: Cabinet installation, repairs, adjustments, and upgrades.\n* Painting: Interior painting, touch-ups, and painting-related repairs.\n* Minor Plumbing: Faucet replacements, toilet i

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Heating and Air Conditioning FAQs, answered by experts

Yes. Return air vents are responsible for gathering and pulling in the warmer air. Once they draw it in, your system conditions the air by removing the warmer molecules from it, allowing your air conditioner to dispense the cooler air back into your home. Not only does this create a more comfortable environment for you, but it also keeps your air conditioner from overworking, resulting in lower energy bills. 

The DOE is phasing out AC units with SEER ratings that fall below 14 or 15. The exact minimum rating depends on your region. In the northern United States, new ACs must have a minimum SEER rating of 14, though you can still buy and install older systems as long as they were compliant when they were manufactured. In the southern and southwestern United States, you cannot buy or install older air conditioners with lower SEER ratings. The minimum rating is between 14.5 and 15, depending on the power of the unit.

Freon will go in the refrigerant lines near the back of your AC unit. Look for small ports with caps on a thin copper line—the Freon goes into those ports. You are best off hiring a licensed HVAC professional who can complete the job safely and correctly.

If the air coming from your AC unit is cool but never quite cold, there are a few reasons this might be happening. For starters, it could signal that your refrigerant levels are low. If there are no other indications of this particular issue, like hissing noises or frozen refrigerant lines, anything from dirty filters to damaged condenser or evaporator coils could be responsible for the problem.

The best way to save money on HVAC repairs is by regularly having your system inspected and maintained. This can prevent bigger problems and costly repairs and replacements in the future. It’s also smart to buy quality equipment and hire companies that provide warranties on equipment and labor. If you need repairs, you may be able to save money by cashing in on rebates and incentives or keeping the area around your HVAC unit clear to shorten the time your contractor needs to spend in your home.

The Union Mills, 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.