6 HVAC Repair Contractors in Irmo, SC

4.1 avg rating
469 total reviews1 offer 24/7 service

Top-Rated HVAC Repair Contractors in Irmo

#1

Carrillo Heating & Air LLC

5.0(194 reviews)
Highly Rated

Every reviewer awarded a 5-star rating, with clients frequently praising efficiency, transparent pricing, and the team's willingness to explain findings.…

411 Western Ln, Irmo, SC 29063
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#2

Rescue, LLC

4.8(146 reviews)
Highly Rated

All five documented reviews award 5-star ratings, with customers specifically naming Brent, Chris, and Nick as technicians who delivered knowledgeable service.…

214 Will Richardson Cir, Irmo, SC 29063
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#3

Sweet Comfort Services, LLC

4.9(96 reviews)
24/7

Four of five detailed reviews mention same-day or next-day service response times, with three specifically praising technician communication and transparent…

121 Centrum Dr #3, Irmo, SC 29063
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All HVAC Repair Contractors (6 total)

Relative Heating and AIr

5.0(32)

Every reviewer awarded a 5-star rating, with 4 of 6 reviewers specifically mentioning Michael by name and…

7821 St Andrews Rd Unit 1442, Irmo, SC 29063
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Sig Cox HVAC/Mechanical Contracting

5.0(1)

The single available review awards Sig Cox HVAC/Mechanical Contracting a perfect 5-star rating. Reviewer…

1009-B Ferguson Street, Irmo, SC 29063
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Spring Valley Air Conditioning

0.0

No published customer reviews exist for this contractor, preventing quantitative sentiment analysis. The…

1265 Lake Murray Blvd, Irmo, SC 29063
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HVAC Repair Costs in Irmo

Typical heating and cooling repair costs in Irmo, by component.

ServiceLowAverageHigh
Diagnostic / service call
$75$120$200
Thermostat replacement
$150$275$500
Blower motor replacement
$400$650$1,100
Heat exchanger replacement
$1,500$2,200$3,500
Ignitor replacement (gas furnace)
$150$250$400
Control board replacement
$300$550$900
Full system repair (major)
Multi-component failure
$500$1,200$3,000

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

HVAC Repair in Irmo, SC: What to Expect

South Carolina summers push Columbia-area homeowners into constant battle with heat and humidity. With temperatures regularly exceeding 93 F and roughly 65 days above 90 F each year, cooling systems run near capacity for months on end. This persistent demand shapes the local HVAC Repair in Irmo market, where five contractors serve the community with an average rating of 3.9 stars across 274 consumer reviews.

Repair costs track closely with system complexity and parts requirements. A diagnostic visit typically runs $75-$200, thermostat replacement falls in the $150-$500 range, and blower motor replacements command $400-$1100 depending on equipment specifications. South Carolina law requires HVAC contractors to hold a Mechanical Contractor license from the state's Licensing Board, establishing baseline professional standards.

Customer feedback reveals clear service patterns. Rescue, LLC draws consistent praise for technicians Brent, Chris, and Nick, with all five documented reviews awarding 5-star ratings and highlighting knowledgeable presentations. Sweet Comfort Services earns recognition for fast response, with four of five reviewers noting same-day or next-day arrivals alongside transparent pricing comparisons. Relative Heating and Air maintains a perfect 5.0 rating, with Michael specifically named across four reviews for his detailed engineering approach to system diagnostics.

Frequently Asked Questions

HVAC repairs in Irmo range from $75-$3,500 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.