Get matched with top air conditioning pros in Glendale, CA

Q: Can an evaporator coil work with any refrigerant?

• <div><p>No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It&rsquo;s indicated with an &ldquo;R&rdquo; code. It&rsquo;s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.</p></div>

Q: Who sets the guidelines for air changes per hour?

• <div><p>The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location. </p></div>

Q: What is the fastest way to unfreeze your AC?

• <div><p>One of the fastest ways to unfreeze an AC unit is to turn off the unit and, if it&rsquo;s warm outside, use the fan-only mode to help blow warmer air through the unit to speed up the defrosting process. While it may be tempting to use a hair dryer to defrost the air conditioner, that high heat can damage the coils.</p><p>After defrosting, if you can safely solve the issue with a fix like changing the filter, go ahead and do so. Otherwise, call in a pro before turning your AC back on.</p></div>

Q: How much should an HVAC service call be?

• <div><p>Most HVAC companies charge a flat service call fee of between <b>$75 and $150</b>, which includes traveling to your home and inspecting your system to find the underlying problem. Keep in mind that these prices only include diagnostics and the actual repairs will usually be billed separately. If you&rsquo;re calling for routine service, the service call will be included in your inspection and tune-up, with the total sitting around <b>$150</b>. Your prices could be a little higher if you have a very large home with multiple condensers and air handlers, as inspections and servicing take longer.</p></div>

Q: How long does it take to fix an air conditioner?

• <div><p>Most AC repair technicians will take between <b>two and six hours</b> to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.</p></div>

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Verified Reviews for Air Conditioning pros in Glendale, CA

*The Angi rating for Air Conditioning companies in Glendale, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

*The HomeAdvisor rating for Air Conditioning companies in Glendale, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

Last update on July 08, 2026

Reviewed in July 2026
Guil's assistants installed the air conditioner in the window on Monday, June 6th, and did a good job, cleaning the window and removing the old AC. Guil came the next day and took away the old AC and caulked up the gaps in the seal on the new AC with his caulking gun. Guil was very courteous and...
Guilco Handyman
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Reviewed in October 2025
I really appreciate Greg from Progressive Air inc ? honest, skilled, and reliable. Our air conditioner system works perfectly now. Highly recommend them for any HVAC needs!?
Progressive Air, Inc.
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Reviewed in October 2024
This is definitely the “go to” company in Los Angeles for air conditioning/heating (They installed a new one for me 4 years ago) and they service it twice-yearly. Frank did the latest check and like all staff at American he is so friendly, helpful, answered all questions, provided data about...
American AC Heat Plumbing
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Reviewed in August 2024
Larios AC installed my air conditioning system and it worked flawlessly for 20 years. I called when my condenser failed during a long heat wave and was very grateful to get a service visit the very same day. Ericke found and repaired the problem immediately and finished up with a diagnostic...
LARIOS AIR CONDITIONING, INC.
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Reviewed in July 2024
The cooler is old. Ara figured out the problem and a part, which is not readily available was needed. He called two stores and searched online to find the part. Because the total cost of parts and labor would have been too high, I opted to purchase a new cooler. Ara, said no problem. He then...
Prime Appliance Repair
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Reviewed in June 2023
Had my air ducts and dryer duct cleaned and I could not be happier with the results. Their team was professional and efficient, ensuring that every part of the ducts was thoroughly cleaned. They also took the time to actually explain the process and provided useful tips for maintenance I would...
PRECISION AIR DUCT CLEANING
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Reviewed in May 2023
ECO Heating & Cooling Inc. had a fair price on a new AC with installation. They were friendly, quick, and did a great job. I would highly recommend them again for sure.
Eco Heating & Cooling, Inc. dba Eco Home Solutions
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Reviewed in January 2023
Dean and the team at Efficiency Air made the installation of a Heat Pump system (with new ducting and adding vents) extremely easy from start to finish. The pricing was exactly what was quoted and the quality of the installation was excellent. Would highly recommend Dean and the crew to anyone...
Efficiency Air, Inc.
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Reviewed in September 2022
When our A/C stopped working on this hot 100+ afternoon, my wife & I were very impressed with their prompt 15 minute response to come over and evaluate our issue. Emin quickly contacted his sources for the part we needed. He actually took out the defective blower motor assembly and replaced it...
Emins Air Conditioning & Heating
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Reviewed in September 2022
Ash Purification heating and air was one of the best HVAC Company’s I’ve had in my home. Thorough maintenance, professional, communicative, friendly, and my system has been running smoother and cooler than ever. Definitely going to have Shaun back for the UV light purifier! Thanks ASH...
Ash purification heating and air conditioning
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Find Air conditioning pros in Glendale

Global Green Solutions

5.0(

248

)

Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+2 more

Serving Glendale, 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!"

+24

Response time3 days

6 neighbors recently requested a quote

Recommended by7%of homeowners

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AC Dave Heating & Air

4.9(

)

Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Glendale, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"AC Dave is great as a partner in our business. Facilitating all of our Air Conditioning needs including new units, routine maintenance and troubleshooting. They are great! highly recommended."

Response time7 hrs

Response rate100%

6 neighbors recently requested a quote

Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Glendale, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I highly recommend Belle Air Services. They are very knowledgeable in the HVAC world and was able to figure out a creative way to get us the set up we wanted. They did a great job. Kenny was our main point of contact, and he is great!"

Response time1 day

209 neighbors recently requested a quote

Recommended by78%of homeowners

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Air Duct Professionals

4.7(

1,518

)

Air Ducts & Vents - Clean

Serving Glendale, CA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Sean was great about repairing my disconnected dryer air duct having to go into the crawl space and figure out what was going on. I'm glad he was able to get it done very quickly as well. He also had a very good attitude about doing the work."

+11

Response time1 day

1 neighbors recently requested a quote

Recommended by92%of homeowners

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Around The Clock Heating & Air Conditioning, Inc.

4.5(

836

)

Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Glendale, CA and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"Our technician Oleg is very knowledgeable, punctual and a pleasure to work with. Our AC was not working during a brutal heat wave. We called Around the Clock and Oleg fixed our unit the same day... we have cool air now! A+ highly recommend. Thanks!"

+10

Response time1 day

42 neighbors recently requested a quote

Recommended by92%of homeowners

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Temp Air System, Inc.

4.8(

)

Central A/C - InstallCentral A/C - Service or RepairAir Ducts & Vents - Clean+1 more

Serving Glendale, 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!"

+14

Response time10 hrs

Response rate99%

9 neighbors recently requested a quote

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Active Air Specialist Inc.

5.0(

)

Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+2 more

Serving Glendale, CA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

Here at Active Air Specialists, we sustain our business on quality and integrity. With over 20 years of experience we are experts in the Heating and Cooling trade and are committed to quality from the beginning to the end of your project. please call our office @ 888 410 0677 We look forward to earning your business. Give us a call or click to schedule a quote today!

42 neighbors recently requested a quote

Recommended by44%of homeowners

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All City Plumbing, Air & Electrical

4.9(

271

)

Central A/C - InstallCentral A/C - Service or Repair

Serving Glendale, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Troy and Max did an amazing job installing our water heater vent"

+42

10 neighbors recently requested a quote

Recommended by97%of homeowners

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Top Energy Solutions, Inc.

4.9(

)

Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business

Serving Glendale, 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

+87

Response time1 day

Response rate98%

4 neighbors recently requested a quote

Central A/C - Service or Repair

Serving Glendale, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Sayed Haroon was very happy professional and helpful and very informative, I would recommend him for any service and next time if there?s a problem with any of my air conditioning system I?m definitely gonna be dealing with him"

1 neighbors recently requested a quote

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...

Showing 1-10 of 687

Air Conditioning questions, answered by experts

No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It’s indicated with an “R” code. It’s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location.

One of the fastest ways to unfreeze an AC unit is to turn off the unit and, if it’s warm outside, use the fan-only mode to help blow warmer air through the unit to speed up the defrosting process. While it may be tempting to use a hair dryer to defrost the air conditioner, that high heat can damage the coils.

After defrosting, if you can safely solve the issue with a fix like changing the filter, go ahead and do so. Otherwise, call in a pro before turning your AC back on.

Most HVAC companies charge a flat service call fee of between $75 and $150, which includes traveling to your home and inspecting your system to find the underlying problem. Keep in mind that these prices only include diagnostics and the actual repairs will usually be billed separately. If you’re calling for routine service, the service call will be included in your inspection and tune-up, with the total sitting around $150. Your prices could be a little higher if you have a very large home with multiple condensers and air handlers, as inspections and servicing take longer.

Most AC repair technicians will take between two and six hours to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.

The Glendale, CA homeowners’ guide to air conditioning services

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

See all articles

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