5 AC Replacement Contractors in Duncanville, TX

4.8 avg rating
338 total reviews3 offer 24/7 service
Need emergency service? 6 HVAC providers in Duncanville offer 24/7 availability

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Top-Rated AC Replacement Contractors in Duncanville

#1

Mechanical Comfort Systems, Inc.

4.9(123 reviews)
Highly Rated

Four of four five-star reviewers mention same-day or urgent same-hour arrival; three name specific technicians (Daniel, Carter, Johnathan R., Paul). Both…

218 Woodhaven Blvd, Duncanville, TX 75116
#2

Micheal & Sons Plumbing

4.7(133 reviews)
24/7

Three of three reviewers specifically mention same-day or prompt response times during water heater emergencies. All three reviews name individual technicians,…

1550 Clark Rd #80F, Duncanville, TX 75137
#3

TemperaturePro Mesquite-Duncanville

4.7(62 reviews)
24/7

All six detailed reviews award five stars, with three specifically mentioning technician Daniel and praising his diagnostic speed, professionalism, and honest…

1126 S Cedar Ridge Dr Ste. 115, Duncanville, TX 75137

All AC Replacement Contractors (5 total)

Professional HVAC Repair Duncanville

5.0(10)

All ten reviews award perfect 5 stars, with zero negative feedback recorded. Six reviewers specifically…

1203 Jungle Dr, Duncanville, TX 75116

Get Some AC Heating LLC

4.6(10)
24/7

Among ten published reviews, four five-star ratings praise professional installation and fair pricing, while…

800 Link Dr, Duncanville, TX 75116

AC Replacement Costs in Duncanville

Replacement costs for aging systems in Duncanville. 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 Duncanville, TX: What to Expect

Duncanville’s summers push air conditioners hard: Dallas-area highs average 96°F in July and August with more than 100 days above 90°F each year, and moderate humidity that still makes cooling systems run continuously. That climate drives steady demand for ac-replacement Duncanville, where five contractors serve the city, averaging a 4.8 rating across 338 reviews and three offering 24/7 service.

Detailed line-item pricing from local providers isn’t available in the data provided, so specific cost ranges can’t be reliably stated here. Homeowners should expect variability based on unit capacity, installation complexity, and refrigerant type. Remember Texas requires HVAC contractors to carry a Class A or Class B license through the Texas Department of Licensing and Regulation, and confirming that credential is a practical step before hiring.

Customer highlights were not supplied, so patterns from the broader market are useful: reviewers often focus on clear estimates, prompt scheduling, and after-installation support like warranties and system walkthroughs. Given the high stakes of summer outages, prioritize contractors who document estimates, confirm licensing, and provide references or recent online reviews to assess consistency and response times.

Frequently Asked Questions

AC replacement in Duncanville 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.