11 HVAC Service Contractors in Irwindale, CA

3.8 avg rating
198 total reviews1 offer 24/7 service

Top-Rated HVAC Service Contractors in Irwindale

#1

Diamond Air Services

5.0(109 reviews)
Highly Rated

Across available reviews, 6 of 6 specifically mention professional and friendly technicians. Positive reviews cite thorough explanations, no-pressure…

5220 4th St Suite #18, Irwindale, CA 91706
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#2

Johnstone Supply

4.5(30 reviews)

Six of eight reviewers award 5 stars, with recurring mentions of same-day part availability and staff willingness to track down hard-to-find components. The…

16147 Avenida Padilla, Irwindale, CA 91702
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#3

Geary Pacific Supply

4.9(15 reviews)

Fifteen reviews all award 5 stars, with customers consistently praising counter staff named Jeff and Chris for their knowledge and willingness to assist.…

16037 E Foothill Blvd, Irwindale, CA 91702
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All HVAC Service Contractors (11 total)

Stewart Air Systems

5.0(11)

All 11 reviews award 5 stars, with reviewers consistently praising honesty, timeliness, and craftsmanship.…

5277 S Vincent Ave Suite #15, Irwindale, CA 91706
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Granger's Air Conditioning and Heating Co.

3.7(21)

17 of 21 reviewers assign 1 or 2 stars, with recurring complaints about unreturned phone calls, missed…

16336 E Arrow Hwy, Irwindale, CA 91706

Boss Air Mechanical

5.0(5)
24/7

All 5 reviewers award 5 stars, with 3 mentioning emergency same-day response during heat waves or holiday…

16206 Arrow Hwy, Irwindale, CA 91706
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Baker Distributing Company

4.6(5)

Three client reviews yield a 4.6-star average rating. Two five-star reviewers praised service quality and…

16253 Ornelas St, Irwindale, CA 91706
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A.O. Reed & Co.

5.0(1)

One client awarded a 5-star rating and described A.O. Reed & Co. as the best place ever, representing a…

2390 Bateman Ave, Irwindale, CA 91010
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MasterCorp

4.0(1)

Based on available data, MasterCorp has received one client review contributing to a 4-star rating, providing…

13001 Ramona Blvd # D, Irwindale, CA 91706
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J's Air Conditioning Refrigeration

0.0
15855 Edna Pl Ste 9, Irwindale, CA 91706
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KC Air Conditioning, Inc.

0.0
15705 Arrow Hwy, Irwindale, CA 91706
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HVAC Service Costs in Irwindale

General HVAC service pricing across maintenance, repair, and installation in Irwindale.

ServiceLowAverageHigh
Service call / diagnostic
$71$114$190
Routine tune-up (single system)
$67$119$190
Standard repair (avg)
$143$570$1,140
Major repair (compressor, heat exchanger)
$1,425$2,375$3,325
New system installation (mid-range)
$6,175$9,975$13,300
Full HVAC replacement
AC + furnace combined
$11,011$12,759$13,395

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

HVAC Service in Irwindale, CA: What to Expect

Irwindale sits within the Los Angeles metro, where the Mediterranean climate brings summer highs around 84 F and winter lows near 48 F. But Santa Ana winds regularly push inland valley temperatures past 100 F, creating real AC demand across the region year-round. Fifteen contractors serve this area with an average rating of 4.0 from 664 reviews, and only one provides around-the-clock availability. Homeowners here need reliable climate control, making HVAC Service in Irwindale essential for maintaining comfortable indoor conditions.

Service calls range from $71 to $190, while routine tune-ups run $67 to $190 for a single system. Major repairs average between $143 and $1,140 depending on what needs fixing. All contractors must hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board to operate legally in this state.

Diamond Air Services stands out with all 99 reviews awarding five stars, and technicians Baran, Salvador, and Anthony receive repeated recognition for their service quality. Johnstone Supply earns a 4.5 rating with six of eight reviewers praising same-day part availability and staff willingness to track down hard-to-find components. Geary Pacific Supply maintains a 4.9 rating across fifteen all-five-star reviews, with counter staff Jeff and Chris consistently noted for their deep product knowledge and helpful approach. These patterns reveal that technical skill and parts accessibility drive customer satisfaction more than pricing alone.

Frequently Asked Questions

HVAC service pricing in Irwindale ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.