5 Emergency HVAC Contractors in Johns Island, SC

4.4 avg rating
42 total reviews2 offer 24/7 service

Top-Rated Emergency HVAC Contractors in Johns Island

#1

American Mechanical Services

5.0(19 reviews)
24/7

All five-star reviewers describe emergency or urgent situations, with multiple accounts noting same-day or after-hours arrivals. Technicians Ed and Edward…

1900 Andell Bluff Blvd, Johns Island, SC 29455
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#2

Triad Mechanical Contractors

3.4(14 reviews)

Four of 14 reviewers awarded 1-star ratings, citing unresponsive service, professionalism breakdowns, and extended downtime during summer heat. The remaining…

3674 State Rd S-10-1024, Johns Island, SC 29455
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#3

Southern Air Solutions

5.0(3 reviews)

All three reviews award 5 stars, with customers specifically naming technician Philip for his technical explanations and fair pricing. Same-day service and…

1773 Clark Hills Cir, Johns Island, SC 29455
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All Emergency HVAC Contractors (5 total)

Atlantic Boat ACR

3.4(5)
24/7

Three of five reviewers awarded five stars, with positive feedback emphasizing quick repairs and helpful…

3153 Maybank Hwy, Johns Island, SC 29455
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DE-Minimus HVAC/Refrigeration

5.0(1)

The single 5-star review specifically praises fast response time, diagnostic skill, having required parts on…

1129 Rearick Road, Johns Island, SC 29455
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Emergency HVAC Costs in Johns Island

After-hours, weekend, and holiday HVAC service pricing in Johns Island. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$150$200$300
Weekend service call
$175$225$325
Holiday / major holiday call
$225$300$450
Emergency labor (hourly)
1.5-2x standard hourly rate
$160$205$250
Emergency repair total (typical)
Repair + after-hours surcharge
$300$700$1,200
Emergency repair (major)
Compressor, heat exchanger failures
$1,200$2,200$3,500

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

Emergency HVAC in Johns Island, SC: What to Expect

Johns Island sits in Charleston's Lowcountry, where summer heat reaches 89 F with humidity near 78 percent, pushing the heat index past the thermometer. Winters stay mild with lows around 43 F, so heating demand is minimal and AC performance dominates. Salt air from the Atlantic accelerates corrosion on units, making maintenance needed near the coast. Five contractors serve the area, averaging a 4.4 rating, and climate keeps emergency hvac Johns Island a steady need.

When a system fails after hours, Johns Island homeowners face a premium service call. After-hours service calls on weekday nights typically cost $150 to $300, weekend calls $175 to $325, and holiday or major holiday calls $225 to $450. These rates reflect the extra labor and urgency needed to restore cooling in a climate where indoor temperatures rise quickly. South Carolina law requires HVAC contractor to hold a Mechanical Contractor (Group 2, HVAC) license from the South Carolina Contractor's Licensing Board, ensuring technicians are qualified to handle refrigerants and electrical components safely.

Customer feedback shows that response speed and communication matter. At American Mechanical Services, technicians Ed and Edward are praised for same-day or after-hours arrivals, with reviewers noting their attention to cooling loss. Southern Air Solutions earns five stars for technical explanations and fair pricing; technician Philip is mentioned for same-day service and thorough communication. Triad Mechanical Contractors receives mixed reviews, as a few customers report unresponsiveness and extended downtime during summer heat, while other clients describe satisfactory service. These patterns highlight the importance of timely service for Johns Island homeowners.

Frequently Asked Questions

Emergency HVAC in Johns Island adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.