21 Emergency HVAC Contractors in Livermore, CA

4.0 avg rating
9,678 total reviews13 offer 24/7 service

Top-Rated Emergency HVAC Contractors in Livermore

#1

Service Champions

4.9(4,871 reviews)
24/7 Highly Rated

All four displayed reviews award 5 stars, with three explicitly naming technicians who delivered exceptional service. Two reviews highlight same-day…

207 Boeing Ct, Livermore, CA 94551
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#2

Barker Heating & Cooling

4.8(1,937 reviews)
24/7 Highly Rated

Seven of eight sampled reviews award five stars, with the lone four-star review upgraded from three stars after the team resolved initial installation issues.…

7066 Las Positas Rd # G, Livermore, CA 94551
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#3

Service Champions

4.9(1,408 reviews)
24/7 Highly Rated

4.9-star rating from 1,408 reviews. Positive reviews cite technicians who arrive on time, explain work clearly, and respect homeowner questions. Negative…

96 Rickenbacker Cir, Livermore, CA 94551
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All Emergency HVAC Contractors (21 total)

Service Experts East Bay

4.9(950)
24/7 Highly Rated

934 reviews yield a 4.9 average rating, with customers consistently praising named technicians like Larry…

4935 Southfront Rd A, Livermore, CA 94551
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AIS Heating & Air Conditioning

5.0(204)
24/7 Highly Rated

All three complete reviews award 5 stars, with each mentioning specific team members by name. Two reviewers…

76 Wright Brothers Ave, Livermore, CA 94551
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Five Or Free Electrical Heating & Air Solutions

4.9(102)
24/7 Highly Rated

Four of five named reviewers specifically mention the technicians who completed their work, with Christian,…

2015 Research Dr, Livermore, CA 94550
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Miller's Air Conditioning & Heating

4.8(75)
24/7

All three featured reviewers award 5-star ratings, with each account naming a specific technician and…

4749 Bennett Dr Ste N, Livermore, CA 94551
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Awesome Inc

4.9(35)

All four named reviewers awarded 5-star ratings, with three specifically mentioning same-day response…

849 E Stanley Blvd Ste 324, Livermore, CA 94550
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Vargas Mechanical Services

5.0(32)

Thirty-two reviewers all assign 5-star ratings, with multiple clients specifically noting same-day or…

694 Pinnacle Pl, Livermore, CA 94550
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Ambient Heating and Air

4.3(12)
24/7

Three reviews totaling 8 stars show mixed experiences: positive feedback cites quality installation work and…

2403 Research Dr, Livermore, CA 94553
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HR&M HVAC Services

5.0(8)
24/7

All eight reviews award five stars, with three clients specifically naming Josh as the technician who…

4749 Bennett Dr STE I, Livermore, CA 94551
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Darrell's

4.7(9)

Eight of nine reviewers award five stars, with recurring praise for diagnostic speed, same-day arrival, and…

Corner of: Rincon Ave &, Hillview Dr, Livermore, CA 94551
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Heating And Air Conditioning

5.0(4)

All 4 reviews award 5 stars, with every client praising the diagnostic expertise that avoided unnecessary…

102 Tourmaline Ave, Livermore, CA 94550

Key Mechanical

2.7(9)

4 of 9 reviewers specifically describe dangerous or unprofessional driving behavior by company vehicle…

747 Enterprise Ct, Livermore, CA 94550
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Signal Heating & Air Conditioning Inc

2.7(9)

Two of nine reviews award 5 stars, praising same-day diagnostic response and technical skill with complex…

111 Lindbergh Ave # C, Livermore, CA 94551
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O.K. Heating & Air Conditioning

3.4(5)
24/7

One five-star review specifically names Robert, describing him as knowledgeable, friendly, and professional.…

4361 Technology Dr Unit G, Livermore, CA 94551
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Delcon Heating & Air Conditioning

5.0(2)

Both customer reviews award five stars, with one reviewer specifically describing the team as prompt,…

256 Boeing Ct, Livermore, CA 94551
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Airteks Contractor

5.0(2)
24/7

Both reviews award 5 stars, with one client specifically praising the technicians for professional and…

2931 Kennedy St, Livermore, CA 94551
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A & B Mechanical Inc

3.0(4)
24/7

The rating of 3.0 stars derives from 4 reviews, representing limited feedback volume. One detailed review…

2252 Railroad Ave, Livermore, CA 94550
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Omni Mechanical Solutions

0.0
6336 Patterson Pass Rd B, Livermore, CA 94550
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Prime Mechanical Service

0.0
24/7
296 Wright Brothers Ave, Livermore, CA 94551
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Emergency HVAC Costs in Livermore

After-hours, weekend, and holiday HVAC service pricing in Livermore. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$143$190$285
Weekend service call
$166$214$309
Holiday / major holiday call
$214$285$428
Emergency labor (hourly)
1.5-2x standard hourly rate
$152$195$238
Emergency repair total (typical)
Repair + after-hours surcharge
$285$665$1,140
Emergency repair (major)
Compressor, heat exchanger failures
$1,140$2,090$3,325

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

Emergency HVAC in Livermore, CA: What to Expect

Livermore sits in the Bay Area's eastern stretch, where Mediterranean warmth gives way to real summer heat and winter nights dip into the 40s. That swing keeps systems working year-round, and when a unit fails during a triple-digit stretch, homeowners need help fast. Twenty-one contractors serve the area with a solid 4.0 average rating, yet availability narrows after hours. Searching for emergency HVAC in Livermore often means competing for the same trucks that cover the broader South Bay, making response time a critical factor for local homeowners.

Those after-hours calls carry real weight in the wallet. A weekday night service call runs $143 to $285, weekend calls jump to $166 to $309, and holidays climb to $214 to $428. California requires every contractor to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, which screens for technical competency and financial responsibility. That licensing layer protects homeowners from unqualified operators, though it does not cap what any given company decides to charge for the same basic diagnosis in different time slots.

Review patterns reveal what separates the field. Service Champions draws consistent praise for on-time arrivals and technicians who explain work clearly, with multiple reviewers highlighting same-day responsiveness during urgent situations. Barker Heating & Cooling earns strong marks for installation follow-through, though one reviewer had to escalate before the team made things right. Both firms show that response speed and communication matter as much as technical skill when a system goes down after midnight.

Frequently Asked Questions

Emergency HVAC in Livermore adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.

All HVAC Contractors in Livermore, CA

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