15 AC Replacement Contractors in Placentia, CA

3.5 avg rating
719 total reviews2 offer 24/7 service
Need emergency service? 6 HVAC providers in Placentia offer 24/7 availability

Top-Rated AC Replacement Contractors in Placentia

#1

Yorba Linda Auto Service

4.9(369 reviews)
Highly Rated

Of 366 reviews averaging 4.9 stars, 3 named technicians by name while praising transparency and fair pricing. Positive reviews cite quick turnaround times and…

801 S Lakeview Ave Suite G, Placentia, CA 92870
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#2

Penguin Heating and Air

5.0(168 reviews)
24/7 Highly Rated
940 S Placentia Ave # L, Placentia, CA 92870
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#3

Fenco A Heating And Air Conditioning

4.9(150 reviews)
Highly Rated

7 of 8 reviewers award 5 stars, praising same-day responsiveness, honest pricing, and respectful on-site conduct. The single 1-star review documents an…

200 San Miguel Cir, Placentia, CA 92870
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All AC Replacement Contractors (15 total)

Placentia AC Repair Experts

5.0(14)

8 reviewers awarded a perfect 5-star rating, with almost every testimonial citing speed or efficiency as a…

101 S Kraemer Blvd, Placentia, CA 92870
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Contemporary Heating & Air Conditioning, Inc.

4.3(4)
1750 E Miraloma Ave, Placentia, CA 92870
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Mike's Heating & Air Conditioning

4.0(4)

All four reviews collectively rate Mike's Heating and Air Conditioning at 4.0 stars, with 5-star reviewers…

519 Vicky Ln, Placentia, CA 92870
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David Waldrop Heating & Refrigeration

5.0(2)

Both reviews award 5 stars and highlight speed and reliability. Candice F calls out punctuality and a…

1406 E Larsen Ln, Placentia, CA 92870
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J.R. Stevens Mechanical

3.0(4)

Two of four reviewers recommend J.R. Stevens Mechanical strongly, with TCR 223 naming owner Jon Stevens…

720 Monroe Way, Placentia, CA 92870

Power Saver Systems Air Conditioning

5.0(1)

One reviewer awarded a perfect 5-star rating, citing direct experience with technicians Greg and Eric who…

1860 E Miraloma Ave, Placentia, CA 92870
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PMC LA Office

5.0(1)
187 W Orangethorpe Ave, Placentia, CA 92870

Hometech Builders

5.0(1)

With only one review on file, Hometech Builders carries a perfect 5.0-star average, suggesting strong early…

128 W Santa Fe Ave Unit B, Placentia, CA 92870
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Caspian HVAC Repair Placentia

1.0(1)
24/7

One verified review assigns this contractor a 1-star rating, providing insufficient data for sentiment…

500-698 Carnation Dr, Placentia, CA 92870

Economy Radiator A/C & Hose Repair

0.0

All 20 reviewers award 5 stars, with consistent praise for Rick's diagnostic honesty, affordable pricing, and…

809 Lakeview Ave STE C, Placentia, CA 92870

Victor’s HVAC Fix

0.0
1483 Columbia Cir, Placentia, CA 92870

DPL Air Conditioning and Heating

0.0
342 Atchley Ln, Placentia, CA 92870
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AC Replacement Costs in Placentia

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

Living in Placentia means dealing with an unusual set of cooling challenges. This Orange County suburb enjoys the mild Mediterranean character common across Los Angeles, where summer temperatures hover around 84 degrees and winter lows rarely drop below 48. But Placentia's position near inland valleys exposes residents to something harsher: when Santa Ana winds sweep through, thermometer readings routinely exceed 100 degrees, turning reliable air conditioning from a comfort into a necessity. The sixteen licensed contractors serving this area maintain an average rating of 3.9 based on seven hundred seventy-seven reviews, with two offering around-the-clock response for those moments when an aging system fails during a heat wave. Homeowners searching for AC Replacement in Placentia encounter a market where immediate availability often matters as much as price.

Understanding what a new central air conditioning system costs in this region requires examining several capacity levels. A three-ton basic unit runs between $5,060 and $10,120, while a four-ton mid-efficiency model spans $6,900 to $12,880 at the higher end. Those seeking maximum efficiency in a five-ton system can expect to invest between $8,740 and $14,720. California law adds another layer that influences these numbers, the state's C-20 license requirement from the Contractors State License Board ensures every legitimate installer carries verified training, protecting homeowners from unqualified work that could cost far more to repair later. These pricing structures reflect both the equipment specifications and the guarantee that comes with proper licensing.

Looking at how previous customers describe their experiences reveals patterns worth noting. Yorba Linda Auto Service draws consistent praise across three hundred sixty-six reviews for detailing exactly what problems exist and why repairs matter, avoiding charges for unnecessary work. Fenco A Heating And Air Conditioning appears to respond quickly, with seven of eight recent reviewers awarding five stars and specifically mentioning same-day attention and respectful on-site conduct. Crady's Automotive INC maintains an across-the-board five-star average from fifty reviews, with customers repeatedly noting clear explanations of issues upfront before any work begins. These accounts suggest that beyond pricing and efficiency ratings, successful outcomes in Placentia depend heavily on honest communication and avoiding scope creep.

Frequently Asked Questions

AC replacement in Placentia 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.