8 AC Replacement Contractors in Tustin, CA

4.7 avg rating
644 total reviews4 offer 24/7 service
Need emergency service? 8 HVAC providers in Tustin offer 24/7 availability

Top-Rated AC Replacement Contractors in Tustin

#1

MC Duct Cleaning & Chimney Sweep

4.9(264 reviews)
Highly Rated

All four featured reviewers awarded 5 stars and specifically named Jesse as their technician, praising his responsiveness, integrity, and gentle handling of…

2852 Walnut Ave, Tustin, CA 92780
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#2

South County Air Services

5.0(228 reviews)
24/7 Highly Rated

All 223 reviews award 5 stars, with multiple reviewers specifically praising same-day emergency response, single-day full system installations, and thorough…

2630 Walnut Ave Suite G, Tustin, CA 92780
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#3

Pro West Mechanical

4.9(101 reviews)
24/7 Highly Rated

Ninety-seven of 101 reviews award 5 stars, with named technicians Mike and Gerry receiving repeat recognition for specific attributes. Reviewers repeatedly…

15431 Red Hill Ave F, Tustin, CA 92780
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All AC Replacement Contractors (8 total)

Orange Air Conditioning Contractors

4.5(23)
24/7

Eight reviewers gave perfect 5-star ratings, with none lower than 4 stars. Customers frequently mention…

445 W Main St, Tustin, CA 92780
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Apollo Air Conditioning & Heating

5.0(9)

All five visible reviews award five stars, with four of five mentioning emergency or same-day responsiveness.…

360 E 1st St #4010, Tustin, CA 92780
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Trane Supply

3.6(13)
15551 Red Hill Ave Suite C, Tustin, CA 92780
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Coastline Air Solutions

5.0(4)
24/7

Every one of the four published reviews awards five stars, with zero mixed ratings or negative feedback.…

15941 Red Hill Ave Unit 203, Tustin, CA 92780
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Right Air Flow inc

5.0(2)

Both reviews award 5 stars and specifically name Rafael, with customers praising his team for keeping aging…

13681 Newport Ave, Tustin, CA 92780
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AC Replacement Costs in Tustin

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

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,060$7,360$10,120
Central AC (4-ton, mid-efficiency)
$6,900$9,660$12,880
Central AC (5-ton, high-efficiency)
$8,740$11,500$14,720
Full HVAC system (AC + furnace)
$10,663$12,356$12,972
Plus ductwork replacement
If existing ducts are aged/leaking
$1,932$2,760$3,680
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Tustin, CA: What to Expect

Tustin sits within the Los Angeles metro’s mild Mediterranean pattern—summer highs near 84°F and winters around 48°F—but inland valleys and Santa Ana winds can push temperatures well past 100°F, creating uneven demand for cooling across neighborhoods. That variability drives steady interest in ac-replacement Tustin, where about 10 contractors serve the area, averaging a 4.7 rating across 689 reviews and four offering 24/7 service.

Price expectations for AC replacement in Tustin vary with system size, SEER rating, and any needed ductwork or electrical upgrades; specific line-item figures were not included in the dataset provided. Always confirm whether quoted prices include removal, permits, and warranty transfer. California requires HVAC contractors to hold the C-20 license from the Contractors State License Board, so verify licensing and current CSLB status before hiring.

Customer-highlight fields weren’t available, but the review landscape shows clear priorities: prompt responsiveness, reliable emergency availability, and strong post-installation support. In this market, evaluate estimates for clarity, confirm manufacturer warranties, ask about crew certifications, and prioritize contractors who document load calculations and permit handling rather than offering vague assurances.

Frequently Asked Questions

AC replacement in Tustin runs $1,932-$14,720 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.