17 AC Installation Contractors in Oceanside, CA

4.6 avg rating
2,967 total reviews6 offer 24/7 service
Need emergency service? 12 HVAC providers in Oceanside offer 24/7 availability

Top-Rated AC Installation Contractors in Oceanside

#1

Thompson Plumbing Heating and Air Conditioning

4.9(1,251 reviews)
Highly Rated

All six reviewers award 5 stars, with four explicitly describing same-day or same-call response for emergency situations. Three reviews name specific…

4751 Oceanside Blvd Suite E, Oceanside, CA 92056
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#2

Veterans Heating and Air Conditioning, Plumbing, and Electrical

5.0(688 reviews)
24/7 Highly Rated

Every one of the 688 reviews awards a 5-star rating, reflecting zero negative feedback in the analyzed sample. Customers repeatedly mention same-day service…

4167 Avenida De La Plata Suite 122, Oceanside, CA 92056
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#3

Nick's Dryer Vent Cleaning Inc

5.0(427 reviews)
Highly Rated

Every reviewer across all 427 submissions awarded 5 stars, with multiple clients specifically praising same-weekend scheduling, technician punctuality, and…

3618 Harvard Dr D, Oceanside, CA 92056
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All AC Installation Contractors (17 total)

American Plumbing Heating & Air Conditioning

4.7(239)
24/7

Eight verified reviewers collectively emphasize three strengths: emergency availability including weekend and…

4040 Calle Platino #110, Oceanside, CA 92056
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AC Pro

5.0(126)
Highly Rated

Eight verified reviews yield a perfect 5.0 average rating, with all customers highlighting specific staff…

2195 Oceanside Blvd, Oceanside, CA 92054
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1st Choice Plumbing, Flood & Restoration

4.8(120)
24/7 Highly Rated

Across 120 reviews, the company maintains a 4.8-star average, with recent clients highlighting expertise in…

4083 Oceanside Blvd Suite K, Oceanside, CA 92056
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All Day Heating & Air Conditioning LLC

5.0(36)

All thirty-six reviews award five stars, with nine distinct clients naming specific technicians including…

1820 Peacock Blvd Ste. A, Oceanside, CA 92056
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San Diegos Green HVAC Company

5.0(19)

All eighteen documented reviews award five stars, with four sampled reviews consistently praising transparent…

201 S Myers St, Oceanside, CA 92054
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Pacific Cool Air

4.6(22)

Twenty-two reviews generate a 4.6-star average rating, with four five-star ratings specifically praising…

528 S Coast Hwy #202, Oceanside, CA 92054
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My Guy Heating & Air Conditioning Oceanside

4.8(18)
24/7

Eight reviewer accounts consistently mention three qualities: prompt response timing, transparent pricing…

110 Copperwood Way Suite N, Oceanside, CA 92058
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Raw Heating And Air LLC

5.0(7)

Seven clients awarded perfect ratings, with Roger (identified by name in four reviews) praised for…

1886 Avenida Aragon, Oceanside, CA 92056
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Oceanside Air Conditioning & Heating

5.0(5)
24/7

Every reviewer awarded five stars, citing distinct problem scenarios including furnace noise, refrigerant…

2170 S El Camino Real, Oceanside, CA 92054
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H & A Heating And Air, Inc.

5.0(3)

All reviewer feedback aligns on two points: fair competitive pricing compared to other contractor quotes and…

4021 Johnson Dr, Oceanside, CA 92056
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HVAC Air Inc

5.0(3)

All three client reviews award 5 stars, with customers specifically praising technical competence over…

4171 College Blvd, Oceanside, CA 92056
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Heating & Air Conditioning CA

5.0(2)

Two customers have left perfect ratings, with both emphasizing the contractor's honesty in diagnostics and…

1336 Rocky Point Dr, Oceanside, CA 92056
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Sears Heating and Air Conditioning

5.0(1)

The single verifiable review awards a 5-star rating, with the customer highlighting diagnostic accuracy and…

2505B Vista Way #1, Oceanside, CA 92054
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CrystalCool Pros

0.0
24/7
459 College Blvd, Oceanside, CA 92057
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AC Installation Costs in Oceanside

New central AC installation costs in Oceanside, by system type and brand.

ServiceLowAverageHigh
Window unit
$138$322$644
Ductless mini-split (single zone)
$1,840$4,140$7,360
Central AC replacement (existing ducts)
$3,220$5,980$11,040
Central AC new install (with ductwork)
$6,440$11,040$18,400
Carrier (residential)
$3,496$5,704$9,660
Trane (residential)
$4,600$8,096$12,512
Lennox (residential)
$3,220$5,980$11,040
Rheem (residential)
$2,944$5,060$8,280

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

AC Installation in Oceanside, CA: What to Expect

Oceanside sits along San Diego's coastal stretch, where summer temperatures rarely push past 76 degrees and days above 90 are uncommon. Yet the marine moisture combined with occasional Santa Ana heat waves creates unpredictable demand, making proper AC Installation in Oceanside essential for handling those rare but intense warm spells. Homeowners here work with 18 licensed contractors serving the region, who collectively maintain a 4.6 average rating across more than 3,200 customer reviews.

Pricing in Oceanside reflects system type and installation complexity. A_window unit runs $138 to $644, while a ductless mini-split for single-zone cooling ranges from $1,840 to $7,360. Central AC replacement using existing ductwork costs $3,220 to $11,040. All HVAC contractors in California must hold a C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor license from the California Contractors State License Board before advertising installation services.

Customer feedback points to clear patterns among top-rated contractors. Thompson Plumbing Heating and Air Conditioning draws praise for same-day response, with multiple reviewers naming technician Garrett for his reliability. Veterans Heating and Air Conditioning, Plumbing and Electrical holds 688 five-star reviews with customers repeatedly citing same-day service and professional conduct. Several reviewers also note that Nick's Dryer Vent Cleaning Inc schedules weekend appointments and takes time to explain system operation after completing work.

Frequently Asked Questions

New AC installation in Oceanside costs $138-$18,400 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.

All HVAC Contractors in Oceanside, CA

Complete directory of 38 contractors — browse alphabetically

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