5 AC Replacement Contractors in Florence, SC

4.8 avg rating
1,519 total reviews2 offer 24/7 service
Need emergency service? 4 HVAC providers in Florence offer 24/7 availability

Top-Rated AC Replacement Contractors in Florence

#1

Quality Service Company

4.9(881 reviews)
Highly Rated

Eight reviewers detail specific repair scenarios, ranging from water heater failures to whole-home repiping. Three customers explicitly mention after-hours or…

2208 National Ave, Florence, SC 29501
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#2

Swift Services Heating, Cooling & Electrical

4.8(611 reviews)
24/7 Highly Rated

Four of five sampled reviewers praised specific technicians by name, with Mitch, Jason, Nathan and Steven each receiving individual acknowledgment for…

2704 Pamplico Hwy, Florence, SC 29505
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#3

AirPro Comfort Systems, LLC

4.5(14 reviews)

Twelve of fourteen reviews award four or five stars, with seven specifically praising response speed or same-day arrival during emergencies. Five-star ratings…

827 W Lucas St, Florence, SC 29501
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All AC Replacement Contractors (5 total)

R & D Heating & Cooling

4.7(7)

Four of seven reviewers explicitly praised technician professionalism and thoroughness, while negative…

4023 W Palmetto St, Florence, SC 29501
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First Choice Heating & Air

5.0(6)
24/7

Four of six reviewers specifically mention diagnostic clarity, with one noting same-day repair capability and…

702 S Coit St Suite 8, Florence, SC 29505
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AC Replacement Costs in Florence

Replacement costs for aging systems in Florence. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,500$8,000$11,000
Central AC (4-ton, mid-efficiency)
$7,500$10,500$14,000
Central AC (5-ton, high-efficiency)
$9,500$12,500$16,000
Full HVAC system (AC + furnace)
$11,590$13,430$14,100
Plus ductwork replacement
If existing ducts are aged/leaking
$2,100$3,000$4,000
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Florence, SC: What to Expect

Florence operates within the Columbia metropolitan region, where summer heat routinely exceeds 93 degrees and humidity intensifies the discomfort. The area experiences approximately 65 days annually when temperatures reach 90 or higher, driving consistent demand for effective cooling solutions. Homeowners throughout Florence and neighboring communities seek AC Replacement in Florence when their systems cannot handle sustained heat exposure. Five licensed contractors serve this market, maintaining an average rating around 4.8 stars across more than fifteen hundred customer evaluations.

South Carolina requires all HVAC contractors to hold a Mechanical Contractor license specifically for HVAC work through the state's Licensing Board. In Florence, a standard 3-ton central AC unit typically runs between $5500 and $11000, while mid-efficiency 4-ton systems generally fall between $7500 and $14000. High-efficiency 5-ton installations often reach $9500 to $16000 depending on equipment specifications and installation complexity. These price ranges reflect both equipment costs and the technical labor involved in proper installation, including permitting and system calibration required by state regulation.

Customer reviews reveal distinct service strengths among Florence contractors. Reviewers frequently praise Mitch with Swift Services for clear communication and punctual arrivals, while AirPro's Mark receives recognition for same-day response during emergencies. Multiple customers note after-hours availability and rapid turnaround as deciding factors in their contractor choice, with several specifying confirming these promises were honored during critical breakdowns.

Frequently Asked Questions

AC replacement in Florence runs $2,100-$16,000 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.