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Find Air conditioning pros in North Hills

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

Serving North Hills, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Excellent heating and air conditioning repair, replacement, and new installation services! Everything went smoothly and without incident from beginning to end. Before departing, they made sure the system was operating flawlessly, responded quickly, and worked effectively. Excellent service?I heartily recommend them!"
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+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for AC Dave Heating & Air
AC Dave Heating & Air
4.9(
93
)

Serving North Hills, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"The technician arrived timely, performed the work expertly and the fee for service was reasonable. I would highly recommend this company for air conditioning service. Theresa S. Valencia, Resident"
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+6

Response time7 hrs
7 neighbors recently requested a quote
Recommended by96%of homeowners
Efficiency Air, Inc.
4.8(
320
)

Serving North Hills, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Credit card accepted

"Tim with Efficiency Air out of Ventura, Ca was great. I selected Efficiency Air after receiving three bids. Tim personally bid the job and followed with a second visit when I informed him of my decision to award the bid. Tim was on-site during the entire installatIon. He and his crew replaced my heating and air conditioning units plus new ductwork in less than one day. I was very impressed with his approach to planning the job and executing every aspect efficiently. I would definitely recommend Tim Mitchell to anyone."
A/C Condensers
A/C Condensers
A/C Condensers
A/C Condensers
Canoga Park, Goodman A/C

+50

Response time7 hrs
100 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Around The Clock Heating & Air Conditioning, Inc.
Around The Clock Heating & Air Conditioning, Inc.
4.5(
836
)

Serving North Hills, 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 time12 hrs
36 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for RR Electric Heating & Air
RR Electric Heating & Air
4.7(
62
)

Serving North Hills, CA and surrounding areas

Approved

In business since 1994

Warranties offered

Credit card accepted

"Replaced my gas furnace and air conditioner with a heat pump. The only company I contacted who did a thorough analysis of my home and electrical system to determine exactly what I needed. Side note: I requested this service because my furnace quit working. The technician who came out to evaluate my home repaired the furnace for free while doing his analysis. I still bought the heat pump, but this company definitely did not simply try to just sell me one."
Air ducts
Outdoor Condenser
Response time30 mins
Response rate100%
10 neighbors recently requested a quote
Avatar for Progressive Air, Inc.
Progressive Air, Inc.
5.0(
13
)

Serving North Hills, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"The technician solve my problem in less than 20 minutes by replacing a blown fuse in my air handler. This was exactly the best case scenario I was looking for to repair my ac. I highly recommend Igor and Progressive air for your air conditioning Servicing needs."
Full Hvac system install
Full Hvac system install
Response time4 hrs
Response rate100%
Avatar for Help-Me HVAC LLC
Help-Me HVAC LLC
4.9(
13
)

Serving North Hills, 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"
My jobs
My jobs
My jobs
Avatar for SoCal Climate Control - LA
SoCal Climate Control - LA
4.2(
414
)

Serving North Hills, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"SoCal Climate Control is a trustworthy and excellent pro for Air Conditioning. Ryan walked me through the AC system at my home patiently and in a detailed manner. He also provided all solutions for me to choose. The service team came in the following week to perform a full clean of the system. They were very hard-working and could meet all my requests for the job."
SoCal Staff
731 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Candid Heating and Air Conditioning, Inc.
Candid Heating and Air Conditioning, Inc.
4.6(
130
)

Serving North Hills, CA and surrounding areas

Approved

In business since 2011

Emergency services offered

Credit card accepted

"Candid Heating and A/C were on time, honest and efficient. My air conditioning was not cooling. They came on the same day and fixed the problem on the spot. Total charge was $119 ($99 for the service call and $20 for a fuse.) They also cleaned my air conditioning unit. I would definitely use again, and definitely recommend their service."
DUCT CLEANING
DUCT CLEANING
Response time1 day
Recommended by99%of homeowners
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FAQs for air conditioning projects in North Hills, 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 North Hills, CA homeowners’ guide to air conditioning services

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