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5 Best AC Repair Services in Vacaville, CA

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Written By Max Peterson|Last Updated: February 05, 2024

Technical malfunctions can be a nightmare scenario for residents who need an air conditioner (AC) repair in Vacaville, especially in the summer when comfort is essential. These top-rated Vacaville contractors can help you with AC repair or replacement, keeping the job simple, quick, and economical.

Top AC Repair Companies in Vacaville, CA

Same Day Air Conditioning and Heating Logo

Same Day Air Conditioning and Heating

Based on 386 customer reviews.

Services Offered

Furnace InstallationEmergency ServicesDuct CleaningMaintenanceAc InstallationAc RepairIndoor Air Quality


  • Clear pricing policy
  • Reliable customer support
  • Free quote
1128 Western St #27, Fairfield, CA 707-898-5773 samedayhvacfairfield.com
Renner Heating & Air Conditioning Logo

Renner Heating & Air Conditioning

Based on 89 customer reviews.

Services Offered

DuctlessFurnace InstallationIndoor Air QualityFurnace RepairMaintenanceFiltrationAc RepairAc Installation


  • Informative resources
  • Free quote
  • Clear pricing policy
7711 Locke Rd, Vacaville, CA 707-416-9239 rennerhvac.net
Alamo Heating and Cooling Inc Logo

Alamo Heating and Cooling

Based on 93 customer reviews.

Services Offered

Ac RepairMaintenanceFurnace InstallationFurnace RepairDuctlessIndoor Air QualityAc Installation


  • Prompt service delivery
  • Free quote
  • Clear pricing policy
380 Weatherly Way, Vacaville, CA 707-908-8540 alamoheatingandcoolinginc.com
Cozy Home Services Logo

Cozy Home Services

Based on 129 customer reviews.

Services Offered

DuctlessAc InstallationIndoor Air QualityBoiler InstallationFurnace InstallationFiltrationMaintenanceAc Repair


  • Clear pricing policy
  • Informative resources
  • Reliable customer support
875 Cotting Ln Ste H, Vacaville, CA 707-518-9443 cozyhvac.net

More Local Hvac Companies

Dependable Heating & Air

User Reviews: 4.6/5 

1855 N 1st St suite a
Dixon, CA 95620

Pearce Heating & Air Conditioning, Inc.

User Reviews: 4.6/5 

27990 County Rd 90
Winters, CA 95694

Reliable Refrigeration, Inc.

User Reviews: 4.0/5 

4405 Solano Ave
Napa, CA 94558

Hometown Heating and Air Conditioning

User Reviews: 5/5 

4075 Nelson Ave Suite D
Concord, CA 94520


User Reviews: 5/5 

520 Garcia Ave STE G
Pittsburg, CA 94565

Precision Air Solutions

User Reviews: 4.7/5 

1090 Adams St Suite A-1
Benicia, CA 94510

Service Champions Heating & Air Conditioning

User Reviews: 5/5 

261 Arthur Rd
Martinez, CA 94553

Perfect Star Heating and Air Conditioning

User Reviews: 5/5 

2595 W 10th St
Antioch, CA 94509

Mays Heating and Air

User Reviews: 4.6/5 

125 Mason Cir suite d
Concord, CA 94520

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about Vacaville
Average Max Temp Percentile:88.9%
August Average Max Temp:92.2°F
Climate Zone:Hot-Dry
Average Energy Cost:$0.24/kWh
Median Year Houses Built:1983
Average Heat Waves per Year:0.78

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Types of Air Conditioners

HVAC technicians have the expertise to service most air conditioner models, but knowing more about what you have can be beneficial. Below, we'll outline each of the common AC models.

  • Central AC: These are the most common residential AC systems, offering precise, consistent temperature control. They feature a central unit that cools air from outside, purifies it, and sends it through ducts to various rooms in your home.
  • Window ACs: Window air conditioners are a popular choice for Vacaville townhomes, condos, and apartments. These compact, affordable units are designed for cooling single rooms and small spaces, and they fit snugly in a window frame or dedicated wall slot. Many window-mounted AC users install their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Portable air conditioners: As the name hints, portable ACs don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're a common choice for apartments, condos, or individual rooms.
  • Split ACs: Split ACs have two main elements: one inside and one outside. They offer quiet operation, greater energy efficiency, ductwork options, and more cooling capability versus mini-splits.
  • Ductless mini-split: Ductless mini-splits have an exterior unit and multiple interior units, with no ductwork required. They offer higher energy efficiency, flexible installation options, and individual room temperature control.

How to Choose Your Vacaville AC Repair Service

With the sweltering Vacaville heat, AC issues are urgent to fix. However, to get the best possible outcome, it's critical to thoroughly research different HVAC companies first. We recommend adhering to these steps as you prepare.

Confirm the Company Is Properly Licensed and Insured

California HVAC contractors need a C-20 (Warm-Air Heating, Ventilation, and Air-Conditioning) license from the Department of Consumer Affairs. The application process involves comprehensive exams on business law and practical skills.

You should also confirm a company has sufficient liability coverage, even if your state doesn't require it. Choosing an insured company will protect you if something gets damaged during work.

Read Customer Reviews

Check customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB recognizes businesses that resolve complaints effectively and honor their warranties.

It's common for even the best AC repair businesses to have both positive and negative reviews. Read each one carefully, and avoid a provider if most reviewers had subpar experiences.

Compare Estimates

Obtain at least three detailed, written estimates from different providers for the best value. A good estimate should consider additional fees such as permitting costs. You should also ask about installer guarantees, the emergency repair process, and manufacturer warranties.

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Frequently Asked Questions About AC Repair in Vacaville

What's the cost of an AC repair job in Vacaville?

Your AC repair costs will hinge on your system's make and model and the malfunctioning part. A basic repair job like sorting out a thermostat might cost $150–$250, whereas a more intricate fix like swapping out the compressor will be more expensive.

See the average costs for common AC repairs below.

Common RepairAverage Cost
Clogged air filter$66–$175
Electrical circuits$200–$250
Drainage problems$100–$150
Refrigerant leak$400–$1500
Frozen condenser coils$1,316–$3,947
Fan or air blower issues$150–$200
Compressor replacement$600–$1,667

What are some signs that I should call an HVAC repair company?

Here are several of the most frequent AC issues you might face: It's best to contact a professional HVAC technician if you encounter any of these problems.

Why is my AC running but not cooling?

If your air conditioner is running but not cooling, a technician will usually check the condenser coil first. Normally, the outdoor unit fans draw air into the coil so the system can extract heat energy from your home. Clearing the clog might be all that's necessary to get your AC working again.

Why should I hire an HVAC professional? Couldn't I repair my air conditioner myself?

You can most likely install a window AC unit on your own. However, installing other air conditioners should almost always be done by an HVAC contractor who knows the intricate tubing, piping and wiring. We also advise seeking professional installation due to the potential hazard of refrigerant spills.

What industry certifications should I look for when researching Vacaville AC repair companies?

Private accreditations aren't always necessary, but businesses that seek them are typically more trustworthy. The two largest HVAC trade bodies that issue certifications are the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and Air Conditioning Contractors of America (ACCA).

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.