6 HVAC Service Contractors in Duncan, SC
Top-Rated HVAC Service Contractors in Duncan
Waldrop Plumbing Air Electric
“Among sampled reviews, every published account carries a 5-star rating, with three named technicians, Melton, Blake, and Chad, receiving direct client mention…”
Spring Aire Heating & Air Conditioning, LLC
“All 354 reviews award 5 stars, marking perfect satisfaction across the client base. Customers specifically mention emergency same-day availability and honest…”
All HVAC Service Contractors (6 total)
Family Windows & Doors
“All three featured reviewers awarded 5-star ratings, with two specifically naming technicians Jeremy and…”
Riddley Mechanical Group
“Both reviews award five stars, with clients praising quick service turnaround and technician honesty. One…”
HVAC Service Costs in Duncan
General HVAC service pricing across maintenance, repair, and installation in Duncan.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $75 | $120 | $200 |
Routine tune-up (single system) | $70 | $125 | $200 |
Standard repair (avg) | $150 | $600 | $1,200 |
Major repair (compressor, heat exchanger) | $1,500 | $2,500 | $3,500 |
New system installation (mid-range) | $6,500 | $10,500 | $14,000 |
Full HVAC replacement AC + furnace combined | $11,590 | $13,430 | $14,100 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Duncan, SC: What to Expect
Duncan sits at 1,000 feet elevation in the Carolina Piedmont, where summers bring roughly 50 days above 90 F with sticky 65% humidity, but the Blue Ridge foothills 30 miles northwest occasionally funnel cooler air for brief relief. Winters drop to average lows of 33 F, and periodic ice storms can knock out power and test backup heating capacity. This balanced two-season climate makes heat pump systems a natural fit for the area, and the growing Greenville-Spartanburg metro drives steady new-construction demand. Five contractors serve Duncan, maintaining an impressive 4.8 average rating across 8,366 customer reviews, with at least one offering 24/7 availability for emergencies.
For homeowners budgeting HVAC Service in Duncan, a service call and diagnostic runs $75 to $200, while a routine annual tune-up for a single system costs $70 to $200. Standard repairs average $150 to $1,200 depending on the issue, which is why verifying a contractor holds the proper South Carolina Mechanical Contractor license before authorizing major work matters.
Customer feedback points to two standout performers. Spring Aire Heating & Air Conditioning earns a perfect 5.0 rating across 354 reviews, with clients repeatedly citing same-day emergency availability and honest diagnostic explanations. Sholom Appliance Service & Repair also scores 5.0 across 184 reviews, frequently mentioned for Saturday same-day service and technicians who arrive early or on time.