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Top-Rated Air conditioning pros in Pasadena - 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+2 more

Serving Pasadena, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Global Green Solutions did an excellent job replacing our old air conditioning system. The team arrived on time, worked efficiently, and made sure everything was installed properly. Our home feels much more comfortable now and the whole process was smooth."
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+24

Response time3 days
8 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for MULTI AIR SERVICE LLC
MULTI AIR SERVICE LLC
5.0(
22
)
Central A/C - Service or RepairWindow A/C Unit - Service or Relocate

Serving Pasadena, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I purchased a mini-split AC system online and Ricardo installed it. Usually, a unit is purchased through the installer, but he was willing to work with me and just charged me on the labor for install and testing. He did great work and was priced fairly. The unit is up and running well and I couldn’t be happier. I highly recommend hiring him and I will do so again if I have future needs!"
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+37

Recommended by77%of homeowners
Avatar for AC Dave Heating & Air
AC Dave Heating & Air
4.9(
93
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Pasadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"I had AC Dave preform three jobs for me over the past few years. (1) New ducts a few years ago. (2) Installed a mini-split heat pump in master bedroom this year. (3) Then a few months later I had him remove my old Central AC and replace it with an 18 SEER heat pump and new coil, all the while leaving my old furnace in place as a back up. Dave and his guys did a great job on all three projects, completing each one in a day. Highly recommended."
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+6

Response time7 hrs
Response rate100%
3 neighbors recently requested a quote
Efficiency Air, Inc.
4.8(
321
)
Central A/C - Install

Serving Pasadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Credit card accepted

"Efficiency Air Inc is a fabulous company with excellent customer service and trained professional installers. I received a quote to install a mini split air conditioner/heat pump and we were overjoyed of the quality of work we received. They showed up on time and installed the system with ease. The install Manager â Deanâ was a true leader and got everything needed accomplished. I would recommend Dean and crew to anyone needing quality service. Thank you again for everything. Your lifetime customer Nathaniel G Santa Clarita, CA"
A/C Condensers
A/C Condensers
A/C Condensers
A/C Condensers
Canoga Park, Goodman A/C

+50

Response time7 hrs
42 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Mor Air, Inc.
Mor Air, Inc.
4.9(
83
)
Central A/C - Service or Repair

Serving Pasadena, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"On a very hot weekend in L. A., CA , I sent an email on a Monday morning around 1:00 AM. Mario from Mor Air called me at 7:00 AM and was able to be at my house by 8:30 AM . My problem was resolved to my satisfaction by 9:30 AM.. We also set up a schedule of regular inspections on my air condoning and heating systems. Mario is my new go to guy for air conditioning and heating issues. The next contact on the list called me at 10:30 AM to find out if I still needed air conditioning repair."
Lost Condensers
Freon top off for a business
Gas furnace inducer motor replacement
Maintenance Service
Unit Install

+13

Response time2 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Around The Clock Heating & Air Conditioning, Inc.
Around The Clock Heating & Air Conditioning, Inc.
4.5(
836
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Pasadena, CA and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"Arrived on time and fixed the problem. A bit more expensive than I would have liked but checking around probably not much more than elsewhere and our air conditioner was fixed same day in the middle of a heat wave."
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+10

Response time1 day
23 neighbors recently requested a quote
Recommended by92%of homeowners
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+1 more

Serving Pasadena, 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+2 more

Serving Pasadena, 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
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+9

Response time1 day
Response rate100%
3 neighbors recently requested a quote
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Air Conditioning FAQs, 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.

No, for two very important reasons. First, it’s illegal to release refrigerant into the air or ground since it can be toxic and cause environmental damage. Technicians typically pump old or extra refrigerant into separate tanks for special disposal. Second, without professional equipment to read refrigerant pressure and levels, plus the AC’s suggested requirements, it’s impossible to know if you’ve removed the right amount of refrigerant. Stay away from a DIY solution here and seek an expert with the right tools.

You can run an HRV with air conditioning—assuming that you decide to keep the system on during the summer. The HRV will continue to bring in fresh outdoor air, which will then flow into your AC unit and cool down your home. It will also keep moving the stuffy indoor air out of your house.

HVAC pros recommend that you replace your AC filter every one to three months to maintain optimal indoor air quality and ensure your HVAC system operates efficiently. However, factors such as filter type, household size, and environmental conditions may influence the frequency of replacement. Regular filter changes help prevent debris buildup, maintain airflow, and prolong the life span of your air conditioning unit.

Yes, you can clean your air conditioner filter as a temporary fix for cleaning up dirt, but you’ll eventually need to replace it once the dust starts to accumulate. Use a vacuum with a hose attachment to clean your air filter at least once per year or more often if you have pets.

The Pasadena, CA homeowners’ guide to air conditioning services

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