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Find Air conditioning pros in Los Alamitos

Avatar for Cool Air Technologies Inc
Cool Air Technologies Inc
4.9(
493
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Based on prior experience with Cool Air Technologies and its owner, Bill McIntosh, I chose them to replace my HVAC system. I was not disappointed. Bill and his staff were friendly and professional, communicated and resolved issues found, and completed the work as scheduled. I happily recommend Cool Air Technologies."
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Response time2 days
7 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"My experience with heating and air conditioning repair, replacement, and new installation was excellent. Their staff was amiable, well-informed, and meticulous. Our device is operating more efficiently than before. Really trustworthy service!"
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+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Total Home Environmental HVAC Co.
Total Home Environmental HVAC Co.
4.7(
98
)

Serving Los Alamitos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Gordon, is efficient, friendly and great prices. He went above and beyond to help me in an emergency when my air-conditioning broke down on a very hot day. Excellent customer service."
Technician at Service Residence
Installing UV Sterilization Light
Installing UV Bulb to fight Covid
Removing tools from stocked truck
Stocked Repair Trucks

+17

Response time3 hrs
Response rate98%
71 neighbors recently requested a quote
Avatar for Belle Air Services
Belle Air Services
4.8(
61
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"ALL people involved with Belle Air Services... from Payale, Steve, Derek, Michael and the men who installed the heating system... are sooooo professional and attentive to detail, making sure every aspect is explained and reviewed. Can't thank you enough, I am a satisfied customer. Norma Fragoso Glendale, CA"
Daikin VRV
Response time1 day
125 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Ionel Firuta
Ionel Firuta
5.0(
30
)

Serving Los Alamitos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"John was incredibly knowledgeable about AC units and I had no idea what was wrong, but he assessed the situation. John was timely, fixed the issues, and I would highly recommend to anyone who needs AC repair!! Absolutely wonderful!"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating and Air Conditioning Project
Heating and Air Conditioning Project

+19

Response time10 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Trabuco Air
Trabuco Air
4.6(
130
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"They initially sent a general inspection person instead of a forced air unit/air conditioning unit specialist. Then they put me in contact with a third party company. Not what I was looking for."
Response time5 hrs
Recommended by94%of homeowners
Avatar for Trinity Heating and AC
Trinity Heating and AC
5.0(
10
)

Serving Los Alamitos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Chris analyzed my entire AC and heating system and explained in detail the pros and cons of performing additional maintenance. I greatly appreciated his description of future potential issues and his recommendations on how to mitigate them. Thank you Chris."
After: brand new furnace with industrial grade filtration system. Re-wrapped ductwork with fiberglass free wrapping and acoustic soundproof closet/return cavity.
After: 2 Stage Variable Speed Furnace installed perfectly!
After: Properly sized, energy efficient, and installed to code.
Before: Homeowner had tried multiple times to get the pilot light ignited.
Before: Old furnace not installed to code.

+31

3 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for GC Heating And Cooling Inc
GC Heating And Cooling Inc
4.6(
584
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"It was easy to schedule the original consultation on their webpage, and Michael did a great job examining my house and explaining the work that would be done. The price was considerably less than the previous quote that I received, so I accepted it. The technicians installed the system over two days. The new low-profile condenser on my back patio doesn't take up much space, and it's a lot quieter than most that I've heard at other houses. There was an issue with the exhaust pipes and safety switch in the attic that required them to come out and make corrections a couple weeks after installation, but they corrected the issue promptly, and since then I've been enjoying my cooler house. Michael, Juan, and the others were very responsive and professional, and they didn't make any mess inside my house as the installation was done. They're definitely worth talking to if you need to add central air conditioning."
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+5

18 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for FIRST CLASS COMFORT HVAC LLC
FIRST CLASS COMFORT HVAC LLC
5.0(
19
)

Serving Los Alamitos, CA and surrounding areas

Approved

In business since 2025

Emergency services offered

Warranties offered

"Jeremy and his team installed my new AC unit, and I couldn?t be happier with the experience. They showed up on time, were professional and friendly, and made sure everything was working perfectly before they left. Highly recommend them for any HVAC or AC installation work!"
FCC HVAC
FCC HVAC
FCC HVAC
FCC HVAC
FCC HVAC

+28

Response time5 hrs
Response rate100%
21 neighbors recently requested a quote
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
270
)

Serving Los Alamitos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

The industry's best technicians make the happiest customers. Turn to the pros at All City Plumbing, Air, & Electrical for all of your plumbing, HVAC, and electrical needs. Proudly serving San Bernardino, Riverside, Los Angeles, and Orange Counties. We have over 5000s 5 star reviews across the web from our thrilled customers. Our company goal is to make sure that we have 100% customer satisfaction. We have options and payment plans that can fit in everyones budget. We provide free estimates and you only pay when you're happy. It's no surprise we've received the Angie's List Super Service Award six years in a row! Established in 2009. ACP was created to deliver exceptional service with the highest quality of craftsmanship. We guarantee you will be happy with our services in that we offer a money back guarantee. Our technicians are regarded by their peers to be some of the best in the industry. Our service experts are continuously trained. There isn't a plumbing or hvac problem we can't solve. We have the experience, knowledge and focus to solve any problem you may have. Give us a call today and let us earn your confidence.

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+42

Response time10 mins
16 neighbors recently requested a quote
Recommended by97%of homeowners
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FAQs for air conditioning projects in Los Alamitos, CA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Los Alamitos, CA homeowners’ guide to air conditioning services

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