15 AC Replacement Contractors in Thousand Oaks, CA

4.9 avg rating
2,827 total reviews1 offer 24/7 service
Need emergency service? 17 HVAC providers in Thousand Oaks offer 24/7 availability

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Top-Rated AC Replacement Contractors in Thousand Oaks

#1

Dutton Plumbing, Cooling & Heating

4.8(2,242 reviews)
Highly Rated

Of three sampled reviewers, two specifically named their technician (Jason, Evin) and described proactive problem-solving rather than simple repairs. All…

#2

ASP HVAC & Commercial Refrigeration

5.0(133 reviews)
Highly Rated

133 five-star reviews consistently cite technician professionalism and thoroughness; commercial clients emphasize same-day response capability and extended…

#3

Top Shelf Heating and Air

5.0(122 reviews)
Highly Rated

All 122 reviews award five stars, with technicians Joe, Brock, and Nick named across multiple testimonials for their diagnostic thoroughness, honest…

All AC Replacement Contractors (15 total)

DrewCo Air Conditioning - HVAC Contractor.

5.0(77)

All 77 reviews award 5 stars, with multiple clients emphasizing Drew's availability for after-hours…

3943 Greenwood St, Thousand Oaks, CA 91320

Air Conditioning Experts

4.9(83)

Eight verified reviews all award 5 stars, with customers emphasizing three recurring strengths: rapid…

Dynamic Air Inc.

5.0(40)

All five reviews award five stars, with four of five reviewers specifically naming Jamal as the technician…

Air Force Air Conditioning and Heating

4.9(43)

All 42 reviewers award 5 stars, with customers specifically praising same-day service response, honest…

229 E Gainsborough Rd, Thousand Oaks, CA 91360

Element Heating & Air

5.0(34)

Eight verified reviewers consistently praise the team's honesty, punctuality, and technical skill. Four…

Comfort Systems

4.8(18)

All eight published reviews award five stars, with customers consistently praising same-day response times,…

708 N Moorpark Rd, Thousand Oaks, CA 91360

Elim HVAC

4.7(15)

Fourteen of 15 reviewers awarded 5 stars, with customers specifically mentioning technicians Marco, Carlos,…

Boyd Air Systems

5.0(7)

All 7 reviews award 5 stars, with customers consistently praising response time, fair pricing, and Keith's…

Turner Air Conditioning & Heating, Inc.

5.0(4)

All four reviews award five stars, with each testimonial specifically naming either Brian Turner, Kathy, or…

Cool Breeze HVAC, LLC

4.2(5)

Four of five reviewers awarded 5-star ratings, with customers specifically praising technicians Kyle and…

Integrity Heating and Air

5.0(3)

All three reviewers award 5 stars, with each citing Luis as the technician. Common themes include same-day…

Elite HVAC Design LLC

5.0(1)
24/7

One hundred percent of verified reviews award a 5-star rating. The single review describes a furnace noise…

1809 Country Club Rd, Thousand Oaks, CA 91360

AC Replacement Costs in Thousand Oaks

Replacement costs for aging systems in Thousand Oaks. 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 Thousand Oaks, CA: What to Expect

Thousand Oaks’ mild coastal-influenced climate keeps HVAC needs steady rather than extreme: summers peak near 89°F with low humidity, winters dip to about 38°F, and cooling demand concentrates July through September. That steady cycle drives replacement decisions that balance longevity and efficiency. Local searches for ac-replacement Thousand Oaks point to nine contractors averaging a 4.8 rating across 2,656 reviews, reflecting consistent customer satisfaction.

Published line-item cost data for AC replacement wasn’t included in the dataset, so homeowners should expect prices to vary by system size, SEER rating, ductwork condition, and installation complexity. California law requires contractors to hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, so verify licensing and ask for written estimates that break out equipment, labor, permits, and disposal fees.

Customer highlight fields were blank for technician names, yet the overall review volume suggests repeating strengths: punctuality, clear estimates, and attention to efficiency upgrades. No providers in the area advertise 24/7 service, so confirm scheduling flexibility and after-installation support. Prioritize verified licenses, manufacturer warranties, permit handling, and references for similar installations in Conejo Valley neighborhoods.

Frequently Asked Questions

AC replacement in Thousand Oaks 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.

All HVAC Contractors in Thousand Oaks, CA

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