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Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Excellent service from start to finish! They quickly diagnosed the issue with our AC and had it running again in no time. The technician was friendly, knowledgeable, and explained everything clearly. Highly recommend for any heating or cooling repair!"
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+24

10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Air-Tech Air Conditioning & Heating Inc
Air-Tech Air Conditioning & Heating Inc
4.5(
202
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"My neighbor and I looked into ductless heating and cooling and noticed that Air Tech had great reviews and I know why. We both hired Air Tech after interviewing other companies. The work was completed on schedule. The technicians were courteous and respectful and spread cloth on the floor in the rooms they were working. Anytime I had questions they were more than willing answer them. Even the secretaries in the office are great. I would highly recommend Air Tech."
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+8

44 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for AC Dave Heating & Air
AC Dave Heating & Air
4.9(
93
)

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

6 neighbors recently requested a quote
Recommended by96%of homeowners
Efficiency Air, Inc.
4.8(
320
)

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

168 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Mor Air, Inc.
Mor Air, Inc.
4.9(
83
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"I live in tarzana In this area it’s very hard to find good ac service. Mario and his company mor air probably the best in the business. Great prices. Great people and great service."
Lost Condensers
Freon top off for a business
Gas furnace inducer motor replacement
Maintenance Service
Unit Install

+13

Response time50 mins
Recommended by98%of homeowners
Avatar for Air Duct Professionals
Air Duct Professionals
4.7(
1,517
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Technicians were very professional and did a great job of cleaning the dryer and 18 vents, as there has been a very noticeable change in the air flow. We had a few rooms where there was hardly any air coming from the AC but after the vent cleaning the rooms now get improved air flow and are able to cool down. Will definitely use them again."
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+11

1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Around The Clock Heating & Air Conditioning, Inc.
Around The Clock Heating & Air Conditioning, Inc.
4.5(
836
)

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

45 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Belle Air Services
Belle Air Services
4.7(
70
)

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

9 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
270
)

Serving Pasadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Raymond Varela was extremely professional and timely. He explained things clearly and was able to locate and fix the clog quickly and efficiently. I could not be happier with this service. The entire system for All City Plumbing that was used was also very cool. Photos, emails, info, recommendations are all sent to my email and everyone during this interaction was great. From the first request on yelp to the final signatures."
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+42

14 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Temp Air System, Inc.
Temp Air System, Inc.
4.8(
54
)

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%
7 neighbors recently requested a quote
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Air Conditioning questions, answered by experts

You should know the main components of an air conditioner: the condenser coils, evaporator coils, drip pan, AC filter, ducts, and refrigerant. Each part plays a key role in the performance and safety of your AC system. When tracking the source of AC issues or odors, it helps to know where to look. Your outdoor unit houses your condenser coils, fan, and compressor. Your indoor unit houses your evaporator coils, drain lines, and filter, and it connects to your ductwork. 

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

If your whole house is cold that’s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article—heat transfer, airflow, thermostat problems, humidity, and insulation. Once you’ve narrowed down the issue, you’d apply the same principles to the cold rooms as you would to the entire home.

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

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.