5 Commercial HVAC Contractors in Mt Pleasant, SC

4.8 avg rating
193 total reviews
Need emergency service? 13 HVAC providers in Mt Pleasant offer 24/7 availability

Top-Rated Commercial HVAC Contractors in Mt Pleasant

#1

Complete Comfort Air

4.7(62 reviews)

Three of five detailed reviews specifically mention same-day or prompt service during system failures, with technicians arriving quickly during…

245 Crystal Dr, Mt Pleasant, SC 29466
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#2

Holy City Plumbing

4.6(61 reviews)

61 reviewers award Holy City Plumbing a 4.6-star average, with 8 sampled reviews all rating 5 stars and mentioning specific technicians Dave, Kerry, or Lisa.…

1090 Johnnie Dodds Blvd Suite B, Mt Pleasant, SC 29464
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#3

Janssen HVAC

5.0(39 reviews)

Thirty-nine reviewers all award five stars, with multiple clients emphasizing the company's honesty and transparency. Several mention emergency same-day…

1132 Willoughby Ln, Mt Pleasant, SC 29466
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All Commercial HVAC Contractors (5 total)

SolarAIR and Energy

4.5(20)

15 of 20 reviewers awarded 5-star ratings, with 4 customers specifically naming technicians Trejun, David,…

1156 Bowman Rd Ste 200, Mt Pleasant, SC 29464
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JAC Services

5.0(11)

Every reviewer awarded 5 stars, citing emergency same-hour response during extreme heat, honest…

1501 Belle Isle Ave Suite 110 Office 33, Mt Pleasant, SC 29464
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Commercial HVAC Costs in Mt Pleasant

Commercial system pricing in Mt Pleasant. Actual costs vary significantly by building size and system type. Request a site-specific quote.

ServiceLowAverageHigh
Annual maintenance (per rooftop unit)
Quarterly inspections
$500$1,000$2,000
Annual contract (small business, < 5K sqft)
$1,000$2,500$5,000
Annual contract (mid-size, 5K-25K sqft)
$3,500$6,500$10,000
Basic rooftop unit replacement
$6,500$10,000$15,000
Small business full system (< 5K sqft)
$8,000$16,000$25,000
Mid-size building (5K-25K sqft)
$25,000$50,000$80,000
Operating cost (per sqft annually)
Utility + maintenance
$2$4$6

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

Commercial HVAC in Mt Pleasant, SC: What to Expect

Mt Pleasant’s coastal Lowcountry heat and humidity drive constant demand for commercial cooling. Summers average highs near 89°F with humidity around 78%, and Atlantic moisture plus sea breezes create heavy latent cooling loads from May through September. Salt air accelerates corrosion on rooftop units and ductwork, so businesses in Charleston’s metro rely on a small field of six contractors (avg. rating 4.7) for commercial-hvac Mt Pleasant needs; none advertise 24/7 service.

Specific cost ranges and top cost items were not provided in the dataset, so prospective buyers should expect variability by system size, control complexity, and corrosion-resistant materials. South Carolina requires a Mechanical Contractor (Group 2 — HVAC) license issued by the Contractor’s Licensing Board; confirm any bid includes a licensed contractor and proof of insurance. Ask for itemized proposals that separate equipment, installation labor, and corrosion mitigation to compare offers fairly.

Customer highlight details weren’t supplied, so look instead for consistent themes in local reviews: responsiveness, planned maintenance programs, and experience with coastal corrosion mitigation. Given no 24/7 options among the six contractors, ensure service agreements include clear emergency response terms, seasonal tune-ups, and parts warranties tailored to salt-air exposure.

Frequently Asked Questions

Commercial HVAC in Mt Pleasant varies widely by building size. Annual maintenance contracts run $1,000-$10,000+ depending on unit count and service frequency. Rooftop unit replacement starts around $6,500-$15,000, small business systems (<5K sqft) run $8,000-$25,000, and mid-size buildings cost $25,000-$80,000 installed.

All HVAC Contractors in Mt Pleasant, SC

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