10 AC Installation Contractors in Seneca, SC

4.4 avg rating
1,870 total reviews2 offer 24/7 service
Need emergency service? 3 HVAC providers in Seneca offer 24/7 availability

Top-Rated AC Installation Contractors in Seneca

#1

Heavenly Aire

4.9(701 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(553 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 AC Installation Contractors (10 total)

Coster Heating & Air Conditioning, Inc

5.0(140)
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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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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Gerald HVAC LLC

5.0(19)

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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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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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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AC Installation Costs in Seneca

New central AC installation costs in Seneca, by system type and brand.

ServiceLowAverageHigh
Window unit
$150$350$700
Ductless mini-split (single zone)
$2,000$4,500$8,000
Central AC replacement (existing ducts)
$3,500$6,500$12,000
Central AC new install (with ductwork)
$7,000$12,000$20,000
Carrier (residential)
$3,800$6,200$10,500
Trane (residential)
$5,000$8,800$13,600
Lennox (residential)
$3,500$6,500$12,000
Rheem (residential)
$3,200$5,500$9,000

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Seneca, SC: What to Expect

Seneca sits in the Carolina Piedmont at roughly 1,000 feet elevation, where summer highs climb into the 90s with sticky humidity for about fifty days each year. The Blue Ridge foothills thirty miles northwest occasionally channel cooler air, breaking the heat faster than coastal areas, while winters bring 33 F lows and occasional ice storms that test backup heating systems. This balanced two-season climate makes heat pump systems a natural choice, and the growing Greenville-Spartanburg metro fuels steady new-construction demand. Ten contractors serve the area with an average rating of 4.4 based on nearly 1,900 reviews, giving homeowners solid options for AC Installation in Seneca.

South Carolina law requires HVAC contractors to hold a Mechanical Contractor license from the state's Contractor's Licensing Board, ensuring baseline professionalism across the market. Window units run $150 to $700, while ductless mini-split systems for single zones span $2,000 to $8,000, and central AC replacement using existing ductwork costs $3,500 to $12,000. These figures reflect system size, efficiency ratings, and installation complexity rather than arbitrary pricing.

Reviewers consistently highlight specific technicians at top-rated companies. Heavenly Aire draws praise for technicians named Tyler, Jakub, Josh, and Timothy, with multiple clients noting same-day scheduling and immediate adjustments. Best Services of Oconee earns strong marks for honesty and thoroughness, including at least one instance of a written diagnostic transcript provided after a second opinion. Pittman Heating & Air Conditioning receives repeated commendations for responsiveness, with same-day arrival appearing across several positive accounts.

Frequently Asked Questions

New AC installation in Seneca costs $150-$20,000 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.