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

Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Hawthorne, 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!"
Additional Photos
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+24

Response time3 days
8 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Temp Air System, Inc.
Temp Air System, Inc.
4.8(
59
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair

Serving Hawthorne, CA and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"We had Temp Air install our AC unit. The best decision we ever made. They were fast, reliable and dependable. Excellent customer service, did a phenomenal job. After a couple of years something was going on with our unit, I called them and immediately they send out a technician Juan, who was phenomenal. He explained what the issue was and resolved it asap! Highly recommend this company!"
Mini Split Installation
Mini Split Installation
Mini Split Installation
Mini Split Installation
Mini Split Installation

+14

Response time10 hrs
Response rate99%
10 neighbors recently requested a quote
Avatar for Belle Air Services
Belle Air Services
4.7(
70
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Hawthorne, CA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"I highly recommend Belle Air Services! From the first moment I called to get a quote, to the moment they finished the job, I could not have asked for better customer service, top notch work, and competitive pricing. They communicated with me all throughout the process, made sure I understood everything that would be done, were on time, protected my home and were clean. They even worked very well with my HOA (who is very tough!). And to top it off, they didn't try to up-sell me as other HVAC contractors have in the past. So pleased that I have found this HVAC company!!"
VRV - Multizone Comfort
Additional Photos
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+9

Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Trinity Heating and AC
Trinity Heating and AC
5.0(
10
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or Service

Serving Hawthorne, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"I highly recommend Trinity A/C & Heating. Our air conditioning system stopped working, so we called another company to diagnose the problem. After a brief inspection, including a trip to the attic, they told us we needed a completely new duct system at a cost of nearly $8,000. Fortunately, we decided to get a second opinion and called Trinity A/C & Heating. Jimmy thoroughly inspected the system and quickly identified the real issue: the system was simply low on refrigerant. They fixed the problem for a little over $300, and the A/C has been working perfectly ever since. Jimmy and Mike were honest, professional, knowledgeable, and took the time to explain everything clearly. Their integrity saved us thousands of dollars and prevented us from paying for unnecessary work. It's refreshing to find a company that puts honesty and customer service first. If you need A/C service, do yourself a favor and call Trinity A/C & Heating before making any major repair decisions. Thank you, Jimmy"
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

1 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for All Around Heating and Air
All Around Heating and Air
4.4(
47
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or Service

Serving Hawthorne, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Pete is professional and friendly. He repaired my central air conditioning system in a timely manner. He went beyond and above my expectations. I am very pleased with his work and I will not hesitate to hire him again. I will recommend Pete to my family and friends."
A/C MAINTEANCE
 DUCT CHANGEOUT,FURNACE MAINTENANCE
condenser
furnace
install

+9

Response time7 hrs
Response rate100%
Recommended by97%of homeowners
Avatar for CoolPros Heating and Air
CoolPros Heating and Air
5.0(
13
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service

Serving Hawthorne, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Project was completed in a timely manner, workers were polite and very professional. Site Manager Mario explained everything in detail regarding installing Air & Heating gave an all inclusive price. I am very satisfied with COOLPROS and highly recommend this company."
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C

+8

Response time1 hour
Response rate86%
Recommended by90%of homeowners
Flo Heating & Air Inc
5.0(
5
)
Central A/C - Install

Serving Hawthorne, CA and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Emergency services offered

Flo Heating & Air is your trusted HVAC contractor in Los Angeles, CA. We provide expert air conditioning, heating, and indoor air quality solutions for homes and businesses. From fast repairs and routine maintenance to energy-efficient system installations, our team delivers reliable service with honest pricing and top-quality workmanship. Whether you need year-round comfort for your family or dependable HVAC solutions for your business, Flo Heating & Air makes it simple. Call today or visit our website to schedule service.

Smart Thermostat
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FAQs for air conditioning projects in Hawthorne, 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 Hawthorne, CA homeowners’ guide to air conditioning services

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