24 Hour Heating and Air technician working on an Air Conditioning unit.

24-Hour Emergency AC & Heating Repair in Greenville, SC

Emergency Furnace and AC repair technicians ready to help

Fast, Reliable HVAC Technicians Dispatched Directly to Your Greenville Home

When the South Carolina heat or a winter cold snap pushes your HVAC system to its limit, you cannot afford to wait days for a fix. Miller’s Heating & Air delivers rapid, around-the-clock emergency air conditioning and heating repairs across the entire Greenville metro area. We bring honest, professional, and affordable HVAC service right to your doorstep when you need it most.

No-obligation estimate on replacements. Upfront, flat-rate pricing.

Residential & Light Commercial

Air condition technician working on an A/C unit with a adjustable wrench.

Serving Historic Neighborhoods and Modern Homes Across Greenville

From older homes near Augusta Road and North Main requiring specialized care to newer residential properties around Roper Mountain Road, our experienced technicians understand the unique demands of Greenville housing. We operate with a straightforward, flat-rate pricing model. That means we thoroughly diagnose your system first and give you a clear quote before any tools come out—ensuring no surprises on your final bill.

24/7 Emergency AC Service

Don’t sweat through a cooling breakdown. Our team provides immediate diagnostic assessments on all air conditioning models, resolving tricky refrigerant leaks, failed compressors, blower motor problems, and electrical issues in a single visit.

Heat Pump & Furnace Repair

Keep your Greenville home warm and safe all winter long. We run comprehensive heating safety checks, testing control systems, cleaning dirty burners, and inspecting heat exchangers to guarantee efficient, worry-free operation.

Energy-Efficient HVAC Installations

Lower your monthly utility costs with a modern, high-efficiency heating and cooling system. We offer completely free estimates on replacements, careful home load matching, and pristine installations backed by robust manufacturer warranties.

Whole-Home Indoor Air Quality

Breathe healthier, cleaner air by neutralizing airborne pollutants. We install whole-house electronic air cleaners, germicidal UV lights, and advanced filtration units that pull dust, pollen, mold, and pet dander from your living spaces.

Preventive Maintenance Tune-Ups

Stop major system failures before they catch you off guard. Our seasonal maintenance plans involve rigorous electrical testing, coil cleanings, and moving part lubrication to maximize performance and extend system lifespan.

Light Commercial Property HVAC

Maintain a comfortable environment for your retail staff, office workers, or commercial tenants. We offer specialized light commercial rooftop unit installations, routine maintenance agreements, and rapid emergency service response.

Proudly Serving the Upstate

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Robert Zende profile picture
Robert Zende
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I could not believe the quality of work we received for the money we spent. Absolutely an amazing outcome for our family. Highly recommend to anyone!
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Tanner profile picture
Tanner
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Prompt to get to our house! Assessed the situation thoroughly and was able to provide us with a great solution that fit our budget! Highly recommend Micah and crew!
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Jaime Craine profile picture
Jaime Craine
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Called in morning and tech was available to come by same day. Was honest and up front about the issues with my unit, which ended up being a switch, instead of trying to push expensive repairs. Will definitely be using them again in the future. Thanks.
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Brian Ray profile picture
Brian Ray
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Great service, Micah done amazing, extremely knowledgeable.
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Maria Jimenez profile picture
Maria Jimenez
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I can’t recommend him enough! He came out quickly, diagnosed the problem with my air conditioning, and had it fixed in no time. He was professional, honest, knowledgeable, and took the time to explain everything to me. His work was high quality, and he made sure everything was working perfectly before he left. After dealing with the stress of my AC going out, it was such a relief to find someone reliable who genuinely cares about their customers. If you’re looking for someone dependable, reasonably priced, and experienced, I highly recommend him. Thank you again for the excellent service!
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Justin Binns profile picture
Justin Binns
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I needed a capacitor at midnight and he picked up on the 3rd ring. Very cheap for late night after hours. Very reliable fella, when I got there he ran me through the process of repairing it myself on a AC unit he had. 5 stars great service.
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Aaron Bossenbery profile picture
Aaron Bossenbery
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I must say to call at 9pm and have a new capacitor installed at 11:30pm is very impressive. Great team and good ppl
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Teresa Abbott profile picture
Teresa Abbott
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Wonderfully helpful, did not try to sell me anything and clearly explained what was wrong and how to fix it.
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Laura Loveless profile picture
Laura Loveless
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10/10 recommend! I called after hours and they showed up promptly, figured out the issue quickly and fixed it within a matter of 2 hours. This included him taking a trip to Home Depot for parts. Honest and fair. Will definitely use again!
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Amanda Lang profile picture
Amanda Lang
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He was on time, fixed the unit in a timely manner, never tried to sell a new unit and was reasonably priced. Works like new

Satisfied with our work?

The Honest Choice for Greenville Home Comfort

True 24/7 Availability

Heating and cooling emergencies don’t wait for regular business hours, so neither do we. Our dispatchers answer your call day, night, or weekend.

Zero Hidden Fees

We price our jobs upfront by the repair type, not by the hour. You authorize the exact cost beforehand, keeping you in complete control.

Local Upstate Experts

We know the South Carolina climate and build long-term relationships with homeowners across Greenville County through hard work and integrity.

Get Fast HVAC Relief in Greenville Today

A broken climate control system is stressful, but getting it fixed shouldn’t be. Contact Miller’s Heating & Air right now to get a certified, professional technician headed your way.

Greenville Dispatch: 864-813-9722

40 Leopard Rd, Fountain Inn, SC 29644

Open 24/7 for all Emergency Services