Top-rated heating and air conditioning pros.

Best heating and air conditioning pros near Union Mills, NC

Enter your zip and get matched with up to 5 pros

Need a pro for your heating and air conditioning service project in Union Mills, NC?

Select your specific project to find the pro for you.

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%
483 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!

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+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!

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+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

...
Showing 1-10 of 141
Heating and Air Conditioning FAQs, answered by experts

Here’s the cost formula to find out how much it’ll cost you to run a window air conditioner in your home:  Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit. If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.

When an evaporator coil becomes faulty, it can result in various problems within your HVAC system. These problems could include reduced cooling or heating capabilities due to ice formation and obstructed airflow, along with increased energy consumption and higher bills. Additionally, a damaged coil may lead to refrigerant leaks, which are environmentally harmful and decrease overall system efficiency.

Ultimately, if not addressed right away, a bad evaporator coil can even lead to a complete failure of your HVAC system. That’s why timely repair or replacement is crucial to maintaining your family’s comfort and your HVAC’s efficiency.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

Most HVAC companies charge a flat service call fee of between $75 and $150, which includes traveling to your home and inspecting your system to find the underlying problem. Keep in mind that these prices only include diagnostics and the actual repairs will usually be billed separately. If you’re calling for routine service, the service call will be included in your inspection and tune-up, with the total sitting around $150. Your prices could be a little higher if you have a very large home with multiple condensers and air handlers, as inspections and servicing take longer.

It depends on the size of the space you’re cooling down. If you’re looking for the most affordable way to cool an entire house over a long period of time, then central air will be more cost-effective. But when it comes to cooling down a couple of rooms or one floor, a window unit may be the cheaper option, with both a lower cost to install and less energy used to run.

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.