9 AC Installation Contractors in Irmo, SC
Top-Rated AC Installation Contractors in Irmo
Cassell Brothers Home Services
“Nearly every reviewer awards a perfect 5-star rating, with customers specifically praising technicians Josh and Marc by name for thorough diagnostics and…”
Carrillo Heating & Air LLC
“Every reviewer awarded a 5-star rating, with clients frequently praising efficiency, transparent pricing, and the team's willingness to explain findings.…”
All AC Installation Contractors (9 total)
Sweet Comfort Services, LLC
“Four of five detailed reviews mention same-day or next-day service response times, with three specifically…”
May Heating and Cooling LLC
“42 reviews yield a 2.2-star average. Positive feedback emphasizes diagnostic skill and functional repairs,…”
Panther Air, LLC
“Both reviewers award five stars, with one client noting sixteen-year-old units continue functioning smoothly…”
Sig Cox HVAC/Mechanical Contracting
“The single available review awards Sig Cox HVAC/Mechanical Contracting a perfect 5-star rating. Reviewer…”
Lake Murray Heating and Air, LLC
“All available reviews award 5 stars, with the single reviewer specifically praising the company's…”
AC Installation Costs in Irmo
New central AC installation costs in Irmo, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
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 Irmo, SC: What to Expect
The Columbia metro area sees summer highs climb into the low 90s, with some years logging more than 65 days at or above 90 degrees. When humidity joins that heat, the indoor strain becomes difficult to ignore. Irmo homeowners respond by seeking professional AC Installation in Irmo, turning to a market served by nine contractors who collectively hold a 4.1 average rating across more than seven thousand verifiable client reviews.
Installation costs depend on the system type selected. A window unit runs roughly $150 to $700, while a ductless mini-split configured for a single zone typically falls between $2000 and $8000. Most Irmo replacements involve central air conditioning installed into existing ductwork, with prices ranging from $3500 to $12000. In South Carolina, every HVAC contractor must carry a Mechanical Contractor license from the state licensing board, verifying they meet baseline qualifications for safe and code-compliant installation work.
Several contractors earn consistent praise from customers. Carrillo Heating & Air LLC holds a perfect 5.0 rating, with clients highlighting transparent pricing and the team's willingness to walk through diagnostic findings before proceeding. Cassel Brothers Home Services attracts near-universal five-star reviews, particularly for technicians Josh and Marc, whom homeowners describe as thorough and communicative throughout the service call. Rescue LLC also maintains a strong four-star average, with Brent, Chris and Nick cited by name for delivering knowledgeable, efficient service when breakdowns occur.