Best Furnace Replacement Companies in Greenville, SC
What to look for in Furnace Replacement in Greenville
Furnace replacement is a 15-year decision — installer authorization and labor-warranty length matter as much as the equipment itself. A premium furnace installed by an unauthorized shop loses both manufacturer-warranty coverage and the labor-warranty backstop on the install.
- Furnace replacement specialization. Provider lists full furnace replacement (not just repair) as a service line — heat-load calc, gas-line work, venting, condensate handling for high-efficiency.
- Manufacturer authorization. Named factory-authorized dealer (Carrier, Trane, Lennox, Bryant, Rheem, Goodman, York). Unlocks the extended parts warranty (typically 10 years vs the 5-year baseline).
- Labor warranty length. Multi-year labor warranty on the install — measures the installer's confidence in their own workmanship. 5-year is competitive; 10-year is best-in-class.
Verify before you book
- Active manufacturer-dealer status in the OEM's directory — we accept self-claimed.
- Whether the labor warranty applies to the specific equipment SKU you're quoted — some warranties are dealer-funded, some manufacturer-funded.
- Pulled permits for the install — required in most jurisdictions; some shops skip them. Always ask for the permit number after the work.
Furnace Replacement in Greenville: dealer authorization + warranty
Furnace replacement separates pros from generalists on three published facts: manufacturer authorization tier, labor warranty length, and financing terms. Here is what each of the 2 contractors below publishes: Verify your state's HVAC contractor license through the state licensing board before paying a deposit.
Top picks
- Mfg dealer: Mitsubishi Diamond Dealer
- Financing: ✓
- Years: 30+
Google 4.9★ (635+)
- Warranty: 10-Year
- Financing: ✓
- Years: 45+
Google 4.8★ (4,015+)Yelp 3.2★ (10+)
Typical Furnace Replacement costs in Greenville, SC (2026)
Last updated
Estimated ranges for Greenville, SC. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Furnace replacement (installed) | $2,500–$7,100 |
| High-efficiency 95%+ AFUE upcharge (over standard 80%) | $670–$1,650 |
| Gas line + venting modification (if repositioned) | $250–$1,000 |
| Furnace + AC dual-system replacement (installed) | $6,700–$15,000 |
Why Greenville's Humid Summers Make HVAC Maintenance Essential
Greenville's hot, humid summers put extra strain on home cooling systems and raise peak electricity use and mold risk. Homeowners searching for the best HVAC companies in Greenville, SC should prioritize maintenance, quick emergency service, and humidity-focused indoor air quality solutions.
How quickly can a Greenville HVAC pro respond to an AC emergency, and what should you expect?
- Replace a gas furnace with another gas furnace, or switch to a heat pump?
- Stay with gas if your winter design temp is below 0°F and you have cheap natural gas — heat pumps still derate in extreme cold. Switch to a heat pump if winters are mild AND electricity isn't 2× the national rate AND a state rebate stacks. Run 10-year operating costs, not just install price.
- What AFUE rating should I look for in a new gas furnace?
- 95–98% AFUE for cold climates (condensing furnace; requires PVC venting and a condensate drain). 80% AFUE is acceptable in mild climates where the high-efficiency install premium doesn't pay back. Skip the 92–94% band — the price-to-efficiency curve is bad there.
- How should a homeowner compare written bids from different Greenville HVAC companies?
- Compare bids by scope, equipment specs, efficiency ratings, labor inclusions, and warranty terms. Ensure each bid lists the same deliverables so comparisons are apples-to-apples. Ask for manufacturer and installer warranty details, and confirm who performs start-up and system commissioning.
- How do I find a mini-split or heat-pump specialist for Greenville homes?
- Look for providers who list manufacturer-dealer credentials, dedicated mini-split or heat-pump installers, and documented IAQ or zoning experience. Verify installation photos and reviews mentioning similar projects. A clear equipment warranty and a written commissioning checklist indicate experienced specialists.
- Should homeowners expect a written warranty and a scope of work for AC replacement in Greenville?
- Yes. Many evaluated providers supply a written warranty (advertised) and a detailed scope before installation. The scope should list equipment model numbers, efficiency ratings, and any IAQ or zoning work. Keep these documents for permit inspections and future service reference.
- How do I get a quote from these HVAC companies?
- Submit one request on this page and we send it to the vetted HVAC pros in Greenville, SC listed here. They send quotes back — no obligation.