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Find Air conditioning pros in Norwalk

Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+4 more

Serving Norwalk, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Very happy with the new installation, replacement, and repair services for heating and air conditioning! The technicians were courteous, well-informed, and on time. They promptly resolved the problem and provided comprehensive explanations. A truly professional and trustworthy crew. Strongly suggested!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+24

Response time3 days
6 neighbors recently requested a quote
Recommended by7%of homeowners
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Avatar for Belle Air Services
Belle Air Services
4.8(
62
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Norwalk, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Each person we dealt with at this Belle Aire was amazing and I would use them again!"
Daikin VRV
My jobs
My jobs
My jobs
My jobs

+6

Response time1 day
194 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Temp Air System, Inc.
Temp Air System, Inc.
4.8(
59
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Norwalk, 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%
9 neighbors recently requested a quote
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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 Norwalk, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Chris came by for a normal AC tuneup and as he was finishing up, we told him about some issues with our dishwasher and master bathroom sink and asked if he knew a plumber. He took care of both our problems right then and there! I’m not sure there’s anything he can’t fix. Chris is our go to guy for EVERYTHING ac/furnace/plumbing and he should be yours too!"
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
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Avatar for Easy Air LLC
Easy Air LLC
4.9(
26
)
Central Air Cleaner - Repair or Service

Serving Norwalk, CA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Very professional and knowledgeable. Was very honest with what needed to be fixed. My until was making a noise and the technician came out and fixed the problem. I highly recommend Easy Air"
Cleaned and serviced ac unit.
Cleaned Air return
Cleaned air return
Inspected Furnace
Cleaned out condensation pan.

+4

Response time6 hrs
1 neighbors recently requested a quote
Recommended by65%of homeowners
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Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
271
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Norwalk, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Our Bathroom shower was clogged. And last minute All city was there within the hour. The technician Antonio Peters was awesome. He was very polite and Went the extra mile to get our drain unclogged. Super great full for this company."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+42

9 neighbors recently requested a quote
Recommended by97%of homeowners
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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 Norwalk, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Pete was very friendly, timely and professional. He explained everything and worked quickly to resolve our furnace heating issue. I would not hesitate to use him again however I would request an estimate before he starts the job. Overall we're very pleased with his work.."
A/C MAINTEANCE
DUCT CHANGEOUT,FURNACE MAINTENANCE
condenser
furnace
install

+9

Response time7 hrs
Response rate100%
Recommended by97%of homeowners
Request Quote
Avatar for Penguin Heating and Air Inc
Penguin Heating and Air Inc
5.0(
15
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+1 more

Serving Norwalk, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"I was able to get a same day appointment and get my AC fixed quickly. Very professional. Highly recommend."
Diamond Bar
Diamond Bar
Diamond Bar
Furnace Install
AC Condenser

+6

Response time2 hrs
Response rate100%
15 neighbors recently requested a quote
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Avatar for Top Energy Solutions, Inc.
Top Energy Solutions, Inc.
4.9(
62
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+1 more

Serving Norwalk, CA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"I highly recommend Top Energy Solutions. During the heat wave my air conditioning system blew out hot air. I expected to wait days for a technician to come out. Leor sent one the next morning. The technician quickly located the problem and fixed it within minutes. Their employees are professional, courteous and very knowledgeable."
Roof Replacement - Owens Corning Shingle Roof
New Windows Installation in Hollywood
5 Ton Furnace Replacement
Attic insulation
New Mini Split - Daikin Emura

+87

Response time1 day
Response rate98%
4 neighbors recently requested a quote
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Avatar for SO CAL BOYS HEATING & AIR INC
SO CAL BOYS HEATING & AIR INC
4.9(
56
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Norwalk, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"These are some of the nicest people you will ever meet. They are very professional & yet make you feel very comfortable to be with them. I would recommend them to everyone who needs air conditioning or heating help."
2 ton condenser
2 ton furnace
Response time2 hrs
Response rate98%
34 neighbors recently requested a quote
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Showing 1-10 of 713

FAQs for air conditioning projects in Norwalk, 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 Norwalk, CA homeowners’ guide to air conditioning services

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

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