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Best air conditioning pros near Concord, CA

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Top-Rated Air conditioning pros in Concord - Updated Nov 2026

Avatar for Global Comfort Heating and Air
Global Comfort Heating and Air
4.8(
52
)
Central A/C - Service or Repair

Serving Concord, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"To start, I put in for an emergency call to Freschi and was told they would call me 30 minutes before. They never called me back. Freschi sucks!!!I I also put in a request on HomeAdvisor on Thursday night and was given Global Warming Heating and Air as one of their verified contractors. I got a call at 7am from Rudy. I called back around 830am and we made an appointment for 1130am. He showed up at 1105am and quickly diagnosed the problem. He recommended replacing the furnace(which houses the blower assembly) due to the cost of repairs and its 17 year old condition. He didn t try to up sell me for an entire new system. He said my AC is working well so there s no need to replace it. I decided to replace the furnace and he said he d be back around 130pm. Rudy and his crew were back by 1pm. From the start of demo to it running again was less than 2 hours. Rudy s customer service is top notch!! From now on, I will only be calling Global Warming Heating and Air. I can t say enough good things about Rudy s business ethics and timeliness. A+++++"
Team Global Comfort Truck
Carrier Heater Changeout
Duct Install securing runs
Duct Install securing runs
Carrier 95% Installation

+9

Response time50 mins
Response rate94%
1 neighbors recently requested a quote
Avatar for Perfect Star Heating , Cooling, & Electrical
Perfect Star Heating , Cooling, & Electrical
4.9(
351
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Concord, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Perfect Star has excellent technicians who can do installations & any service needs. They installed a new AC/heating system a few months ago. I intend to hire them again to update the ductwork in my residence. Tech was out today to tweak the thermostat setting to get max AC flow."
Lead Install Tech Gilbert Caceres w/New AC Install
Lead Install Tech Gilbert Caceres w/New AC Install
New Furnace Installation
Lead Installers David & Gill on the Job.
Lead Installer David Mendoza hard at work.

+8

Response time4 hrs
1778 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
722
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+3 more

Serving Concord, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"The cost to replace three natural gas wall heater was slightly less than Gree mini-splits heater cooler. The installers were courteous and professional. Delayed several days as the equipment haven’t arrived yet. Job cost as agreed, but took half day longer due to the complexity of installation. Results are excellent. The mini-split units works as specified. Will use Albert Nahman heating plumbing again in the future."
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate100%
44 neighbors recently requested a quote
Jim's Air Systems
4.5(
12
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Concord, CA and surrounding areas

Approved

In business since 1978

Free estimates

Warranties offered

"I found Jim's Air Systems through HomeAdvisor, and Josh was the first contractor to reach out to me personally, not through an automated service. From the start, communication with him was excellent. I provided him with a detailed description of the job, along with model numbers and photos of my existing system. He reviewed everything carefully rather than giving me a quick, generic quote. I received another bid for comparison, but the other contractor was significantly more expensive and wanted to upsell me. It was refreshing that Josh understood I had done my research, knew what I wanted, and didn't pressure me into unnecessary upgrades. Josh's team arrived on time, completed the work as scheduled, obtained the required permit, and left my home as clean as they found it. Overall, a great experience and a solid value. I wouldn't hesitate to recommend them."
Response time11 hrs
Response rate100%
53 neighbors recently requested a quote
Avatar for Bell Brothers Plumbing Heating & Air - Hayward
Bell Brothers Plumbing Heating & Air - Hayward
4.3(
140
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Concord, CA and surrounding areas

Approved

In business since 1953

Free estimates

Warranties offered

"Bill, the ABC technician, was efficient, very knowledgeable, clearly explained my air filter options, thorough, personable...just like my experience always has been with ABC over several decades."
Before & After Furnace
Horizontal Install
Horizontal  Furnace Install
Techs
HVAC

+17

Response time6 hrs
Response rate91%
Recommended by90%of homeowners
Avatar for Chill Heating & Cooling
Chill Heating & Cooling
4.3(
20
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Concord, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I recently had a new air conditioning system installed, and I couldn?t be happier with the entire process. From the initial consultation to the final installation, everything was handled professionally and efficiently. The team arrived right on time, explained all my options clearly, and helped me choose the best system for my home and budget. The installation was completed faster than I expected, and they made sure everything was clean and working perfectly before they left. Thank you for a job well done!"
New Split System
Place for AC
NEW AC Condenser
OLD AC Condenser
NEW AC Condenser

+4

Response time2 hrs
Response rate100%
Recommended by40%of homeowners
Avatar for Bonney Plumbing Heating Air & Rooter Service
Bonney Plumbing Heating Air & Rooter Service
4.0(
301
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Concord, CA and surrounding areas

Approved (Corporate)

In business since 1978

Emergency services offered

Warranties offered

"Share review Embed review Write an update Edit review 12/1/2020 I am very pleased with the service I received today from Electrical Technician Bogdan Ovsyychuk and his assistant. He replaced overhead lighting in my kitchen at a very reasonable cost and I am very happy with the result. They both were also very friendly and personable and wore masks and all other necessary protective equipment. I highly recommend them for electrical work!"
Our team at Bonney helped restore flow at this Sacramento home by performing a sewer spot repair on the main line for our customer.  This involved locating the problem area, digging the trench, snaking the line to clear the drain, repairing a section of the sewer pipe, and then backfilling the space to restore back to the original landscape.
Completed Install of Rinnai RU199e Tankless Water heater
Finished Project - Installation of new free standing Tesla Electric Vehicle (EV) charger for our customer in Davis
Before Picture showing the area where our customer in Citrus Heights wanted us to install the new water heater
Before picture of landscape

+18

32 neighbors recently requested a quote
Recommended by70%of homeowners
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Showing 1-10 of 401
Air Conditioning FAQs, answered by experts

An AC inspection costs anywhere from $75 to $200, while a full HVAC system inspection that includes your furnace ranges from $200 to $450. While there's a cost to a home AC inspection, it can save you hundreds or thousands in the long run by catching problems, avoiding breaks, and saving you money on your utility bills.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

No, you should not run an air conditioner with a Freon leak. If you think your AC unit is leaking refrigerant, shut it off immediately. When you keep using a leaky air conditioner, it could damage the unit and release more refrigerant. After turning off the AC, have an HVAC pro come take a look at the unit.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. 

Yes, it’s normal for an AC to drip water. In fact, it’s part of the dehumidifying process that takes place inside your AC unit as the condensation trickles down into the drain pan. However, it isn’t normal for your AC to sound like it’s running water or have large puddles around it. If that happens, you can try the solutions listed above or call an AC repair pro.

The Concord, CA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.