Greenville, SC

Archie the shop dog driving the First Class Heating & Air service truck

AC Replacement in Greenville

Expert AC Replacement in Greenville. Sized Right, Installed Right

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Free second opinions at no cost
Fully licensed and insured, SC #117789
Financing available on qualifying systems, as low as 0%
Background-checked technicians

Better Business BureauA Rating

Locally owned small businessGreenville, SC

HVAC Contractor of the YearBusinessRate 2025

Better Business BureauA Rating
Locally owned small businessGreenville, SC
HVAC Contractor of the YearBusinessRate 2025

First Class Heating & Air technicians standing with the branded service van in a Greenville, SC neighborhood

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Repair, tune-up, or a free in-home estimate. Tell us what you need and we'll get right back to you.

No obligationFree estimatesLicensed #117789

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Clear, Flat-Rate Pricing

No surprises, no pressure. You know the price before we start any work.

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Not sure about a diagnosis from another company? We'll give you an honest second opinion at no charge.

People First, Always

We treat our customers like family, because that's how we'd want to be treated.

AC Replacement in Greenville. Quick Answer

Replacing your air conditioning system is one of the biggest home investments you will make, and in Greenville's hot climate, getting it right matters more than almost anywhere. An undersized AC will run constantly and never fully cool your home, while an oversized unit short-cycles, wastes energy, and fails to dehumidify. In Greenville's humid summers, dehumidification is just as important as temperature control.

About Our AC Replacement Services in Greenville

First Class starts every Greenville AC replacement with a proper Manual J load calculation. We account for your home's square footage, insulation levels, window exposure, ceiling height, duct leakage, and even the number of occupants. A home in the shade-covered Augusta Road neighborhood has fundamentally different cooling needs than a sun-exposed property along Woodruff Road, and we size accordingly. This precise approach prevents the comfort problems that plague homes with incorrectly sized equipment.

Our installation process includes removing your old system, installing the new equipment, verifying proper refrigerant charge using superheat and subcooling measurements, testing airflow at every register, inspecting your ductwork for leaks, and programming your thermostat for optimal efficiency. We do not leave until you are comfortable and confident in your new system. Every installation is backed by manufacturer warranties plus our own workmanship guarantee.

The efficiency rating you choose for your Greenville AC replacement has a direct impact on your monthly energy costs for the next 15 to 20 years. A 16 SEER system costs roughly 20 percent less to operate than a baseline 14 SEER unit. Over a 15-year lifespan in Greenville's extended cooling season, that difference adds up to thousands of dollars in savings. We help you calculate the exact payback period so you can make a decision based on real numbers, not sales pressure.

Financing is available with no surcharges to make the upgrade affordable. We work with multiple lenders to offer competitive rates and flexible terms. Many Greenville homeowners choose to finance their AC replacement because the monthly payment is often comparable to, or even less than, the energy savings from their new high-efficiency system. We walk you through all options so you can choose what works best for your budget.

AC Replacement by First Class Heating & Air in Greenville, SC

What's Included in Our AC Replacement Service

Free Replacement Estimates

Manual J Load Calculation

Rheem & Goodman Systems

R-454B Equipment

3-Year Labor Warranty Included

Most Installs Done in a Day

Old System Removal

Flat-Rate Pricing

Get a Free AC Replacement Quote in Greenville

No overtime charges. Flat-rate pricing. Free estimates on replacements.

What our customers say

The last month, in their words

Read our reviews

I can’t say enough good things about First Class Heating & Air! They are honest, dependable, professional, and truly care about their customers. The quality of their work is excellent, and they are patient, conscientious, and always willing to work with me to find the best solution. They are available when I need them, take the time to explain things, and never make me feel pressured or rushed. Their prices are excellent and fair, especially considering the quality of service they provide. It’s hard to find a company you can genuinely trust, but I have complete confidence in them. They go above and beyond, and I wouldn’t hesitate to recommend them to anyone looking for honest, caring, and reliable HVAC/Encapsulation service. Absolutely awesome people and awesome work!

Jami Mercer on Google · October 2, 2026

Cameron & Shelby are amazing. Cameron came out and within no time diagnosed the problem at my storage facility. He explained exactly what was needed and First Class will definitely be my company's First Call.

K Miller on Google · October 2, 2026

I met Cameron once and we spoke but he gave me his card , any way a few months later i called...they sent Jonathan out and he did a fantastic job...fast...professional...and most important was he was very honest...will call again when needed!

Jimmy Hall on Google · September 24, 2026

I called First Class Heating and Air for a simple checkup on my system. Everything had been working fine so I didn’t necessarily have any concerns about the unit. Well, the technician found that there was a train missing from the unit and water was being released into my crawlspace! Granted the moisture levels were ok, but my goodness! What if that hadn’t been discovered? Anyway, they completed the tuneup, installed the drain etc all in under an hour and it was affordable. I recommend 11 times out of 10

Maggie Buchanan on Google · September 18, 2026

The technician was very knowledgeable and helpful.

Donna Davis-Urgo on Google · September 17, 2026

Installation was very professional Tech was very knowledgeable I would recommend First class to everyone Exceptional work was completed in one day

Larry Owens on Google · September 11, 2026

Local Pro Tip. Greenville

If your Greenville home was built before 2006, there is a good chance it still uses R-22 refrigerant, which has been phased out and is extremely expensive. When your R-22 system needs major repair, replacement with a modern R-410A system is almost always the smarter financial decision. We can test your refrigerant type during a free assessment.

Wondering what it costs? See our HVAC pricing guide for our real prices.

AC Replacement FAQ. Greenville, SC

Answers to common questions about AC replacement in Greenville.

How much does AC replacement cost in Greenville?

AC replacement costs vary based on system size, efficiency rating, and any ductwork modifications needed. Greenville homes typically range from mid-tier to premium systems depending on the homeowner's comfort and efficiency goals. We provide free estimates with transparent, no-pressure pricing that includes all labor, materials, permits, and disposal of your old system.

What SEER rating should I choose for a Greenville home?

Given Greenville's long, hot cooling season of roughly 150 days, we typically recommend 16 SEER or higher for best value. Higher SEER systems cost more upfront but save significantly on monthly bills. The difference between 15 SEER and 18 SEER can mean $200 to $400 in annual savings for a typical Greenville home. We calculate your specific payback period based on your actual cooling load.

How long does AC installation take in Greenville?

Most Greenville residential AC replacements are completed in one day, typically 6 to 8 hours. Complex installations with ductwork modifications, electrical panel upgrades, or difficult equipment access may extend into a second day. We provide a clear timeline before we start so you can plan accordingly.

Will a new AC system reduce my energy bills in Greenville?

Almost certainly yes. If your current system is 10 or more years old, a modern high-efficiency replacement can reduce your cooling energy costs by 20 to 40 percent. Greenville's extended cooling season amplifies these savings because your AC runs for more months than in northern climates. Most homeowners notice lower bills starting with their first full month on the new system.

Do you remove and dispose of the old AC system?

Yes, complete removal and proper disposal of your old system is included in every Greenville AC replacement we perform. We handle refrigerant recovery according to EPA regulations, disconnect and remove the old equipment, and clean up the work area. You do not need to arrange separate disposal or haul anything yourself.

AC Replacement in Nearby Cities

We also provide AC replacement in these nearby communities.

AC Replacement in Simpsonville AC Replacement in Mauldin AC Replacement in Taylors AC Replacement in Greer AC Replacement in Spartanburg HVAC Service in Duncan HVAC Service in Fountain Inn HVAC Service in Powdersville AC Replacement in Easley HVAC Service in Travelers Rest HVAC Service in Piedmont

All Services in Greenville AC Replacement Overview All Service Areas

Our AC replacement work in Greenville, SC

Who handles AC replacement or installation in Greenville, SC?

First Class Heating & Air does. Our job records since March 2025 show at least 5 AC installations and replacements in Greenville, out of more than 150 finished HVAC jobs in town. The most recent was in November 2026. We hold SC Mechanical License #117789, and the map below shows where we have worked in Greenville.

Homes in Greenville, SC

How old are the homes in Greenville, SC?

The median home within the Greenville city limits was built in 1985, across about 33,550 occupied homes. Source: U.S. Census Bureau, American Community Survey, 2018 to 2022 five-year estimates.

Recent work in Greenville

146 finished jobs around Greenville, one dot each, with the type of work and the month. Tap a large pin to see the photo and what the work involved. Locations are approximate. We place each job to the neighborhood, never to a customer's door.

Tune-up catches two weak capacitors on three furnaces, off East Camperdown Way, Greenville, SC. We went through heating maintenance on all three furnaces at this property: main house, upstairs, and guest house. Checked inducer motors, capacitors, igniters, flame sensors, and blower motors on each system. On the main house furnace, the inducer motor's capacitor was weak and leaking oil, so we replaced it. In the guest house, the blower motor's capacitor had also gone weak and got replaced. The upstairs furnace just needed a gas pressure adjustment to bring it to spec. All three systems are heating properly now. We also flagged some air leakage at the main house supply plenum for a separate repair quote.
Replaced crushed return duct, fixed airflow problem, off Elmwood Avenue, Greenville, SC. The return duct feeding this 3 ton system was crushed down to a 16 inch line, choking off airflow and causing the system to freeze up. We pulled it out and installed a new 18 inch R-8 insulated return, sized correctly for the unit, and sealed it in with mastic. We also replaced a 10 inch duct connecting the two return boxes with a custom sheet metal transition built to match the box openings, so the second return can pull its full share of air. After install we re-tested static pressure and checked airflow and temperature split to confirm the system was running the way it should.
Cleaned condenser coil, plugged mis-routed secondary drain, off Westchester Road, Greenville, SC. During a tune-up, the condenser coil was found dirty and got cleaned so the system could move air properly again. We also noticed the secondary drain on the evaporator coil had never been plugged off correctly, which let water run out underneath the house. That drain is now sealed to stop the leakage. While testing, the condenser fan capacitor came back weak. The system is running fine for now, but that capacitor is worth replacing before it fails outright.
Fixed a mis-plumbed secondary drain line, off Meyers Court, Greenville, SC. Found the secondary drain on the main pan wasn't installed right and hadn't been plugged, so water was dripping out where it shouldn't. On top of that, the secondary pan under the unit wasn't capped, which let water in that pan run straight onto the ceiling below. We corrected the drain setup and capped the pan so water goes where it's supposed to instead of into the ceiling.
Topped off refrigerant on an aging R-22 system, off Verdun Avenue, Greenville, SC. This Goodman system was low on charge and not cooling like it should. We hooked up gauges and found the pressures well below where they needed to be. Added a pound of R-22 and the system came back up to proper operation, cooling normally again. That said, this unit has a refrigerant leak somewhere in the system, so this fix is a temporary one. R-22 is an older refrigerant that's being phased out, and repeated topping off isn't a long-term solution. System replacement recommended
Replaced a failed capacitor to restore cooling, off Mary Street, Greenville, SC. This system had stopped cooling, and a check of the outdoor unit found the problem: a failed 35/5 µF capacitor. That part is what gets the compressor and fan motor started, so once it fails the system can't run. We swapped in a new capacitor, then checked the compressor and fan motor amp draws against their rated loads, inspected the contactor, and checked the refrigerant pressures. Everything came back within spec. Cooling was restored and the system was left running properly.

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