14 HVAC Service Contractors in Seneca, SC

3.7 avg rating
1,924 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Seneca offer 24/7 availability→

Top-Rated HVAC Service Contractors in Seneca

#1

Heavenly Aire

4.9(722 reviews)
Highly Rated

“Six of seven detailed reviews specifically mention named technicians including Tyler, Jakub, Josh, and Timothy, with four highlighting same-day or…”

215 Tokeena Rd, Seneca, SC 29678
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#2

Best Services of Oconee

4.9(561 reviews)
24/7 Highly Rated

“Nearly every reviewer praises honesty and thoroughness, with one client specifically noting a written diagnostic transcript provided after a second-opinion…”

107 W N 2nd St, Seneca, SC 29678
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#3

Pittman Heating & Air Conditioning Inc

4.8(341 reviews)
24/7 Highly Rated

“Across the sample of reviewed customers, responsiveness receives consistent praise while diagnostic accuracy shows mixed results. Positive reviewers highlight…”

205 ByPass 123, Seneca, SC 29678
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All HVAC Service Contractors (14 total)

Coster Heating & Air Conditioning, Inc

5.0(142)
Highly Rated

“All 140 reviews award five stars, with customers specifically praising mini-split expertise and naming…”

402 E Railroad St, Seneca, SC 29678
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Webb Heating & Air Conditioning

4.8(82)

“All six visible reviews award 5 stars, with customers specifically praising emergency response, same-day…”

404 W North 1st St, Seneca, SC 29678
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Gerald HVAC LLC

5.0(21)

“All 19 reviewers awarded 5-star ratings, with six customers specifically praising honest assessments and…”

400 S Townville St, Seneca, SC 29678
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David's Heating & Air Conditioning

4.8(22)

“Twenty-two reviewers collectively award the contractor a 4.8-star rating, with every published feedback…”

1110 Frontage Rd, Seneca, SC 29672
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Tilson Mechanical

5.0(8)

“All eight reviews award five stars, with multiple clients noting multi-decade relationships spanning twenty…”

2525 Davis Creek Rd, Seneca, SC 29678
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Oconee Mechanical

2.3(20)

“3 reviews posted; all award 1-3 stars with 2.3 being the aggregate. Negative feedback cites safety concerns,…”

606 C E North 1st Street, Seneca, SC 29678
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Johnstone Supply

5.0(1)
104 Nelson Ln, Seneca, SC 29678
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White Dove Climate Control

3.0(2)

“One reviewer awarded 4 stars citing pleasant interactions and pricing below larger competitors, while the…”

814 S E 297, Seneca, SC 29672
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Sears Heating and Air Conditioning

2.0(2)

“Two reviews yield a mixed picture: Lisa Miller gave 3 stars citing good selection but missing a specific…”

366 Market St, Seneca, SC 29678
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Cauley Heating & AC Inc

0.0
109 Perry Ave, Seneca, SC 29678
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Willimon heating&air

0.0
3025 Creekside Dr, Seneca, SC 29672
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HVAC Service Costs in Seneca

General HVAC service pricing across maintenance, repair, and installation in Seneca.

ServiceLowAverageHigh
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 Seneca, SC: What to Expect

Seneca sits in the Carolina Piedmont at roughly 1,000 feet elevation, where summers push into the low 90s with humidity climbing past 65 percent for about fifty days each year. Winters drop to average lows around 33 degrees, and periodic ice storms can knock out power and strain backup heating systems. The Blue Ridge foothills just 30 miles northwest occasionally break summer heat faster than coastal areas, but the two-season demand pattern remains clear: cooling from May through September, heating from November into March. Nineteen contractors serve the area with an average rating of 4.5 stars, making HVAC Service in Seneca a competitive and accessible market for homeowners across the Greenville-Spartanburg metro.

Service calls run $75 to $200, while standard repairs average $150 to $1,200, and routine tune-ups for single systems fall between $70 and $200. These figures reflect the scope of work required, parts availability, and labor involved in each specific job. South Carolina law requires HVAC contractors to hold a Mechanical Contractor license from the state licensing board, verifying their qualification to install and service heating and cooling systems in residential settings.

Reviews highlight consistent patterns across top-rated companies. Technicians like Tyler, Jakub, Josh, and Timothy receive repeated mention for their professionalism, and customers frequently note same-day or immediately-modified scheduling when urgent needs arise. Several reviewers specifically praise honest assessments and thorough diagnostics, with one client mentioning a written transcript provided after a second-opinion visit. The recurring theme across positive feedback centers on clear communication, technical expertise, and responsive service rather than generic customer care promises.

Frequently Asked Questions

HVAC service pricing in Seneca ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.