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Top-Rated Air conditioning pros in Sun Valley - 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+4 more

Serving Sun Valley, 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!"
Additional Photos
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+24

Response time3 days
8 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Mor Air, Inc.
Mor Air, Inc.
4.9(
83
)
Central A/C - Service or Repair

Serving Sun Valley, 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 time2 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Active Air Specialist Inc.
Active Air Specialist Inc.
5.0(
9
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Sun Valley, 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!

Additional Photos
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+7

93 neighbors recently requested a quote
Recommended by44%of homeowners
Avatar for Upright Construction & HVAC
Upright Construction & HVAC
4.8(
31
)
Central A/C - Service or Repair

Serving Sun Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Credit card accepted

"Upright Construction & HVAC did an amazing job replacing our old HVAC system! Mike Thompson and his crew were professional, punctual, and incredibly knowledgeable. They explained everything clearly, kept the work area clean, and finished ahead of schedule. The new system runs perfectly, and our energy bills have already dropped. Highly recommend this company—top-notch service from start to finish!"
Response time3 hrs
Response rate100%
113 neighbors recently requested a quote
Avatar for Progressive Air, Inc.
Progressive Air, Inc.
5.0(
16
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Sun Valley, 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%
1 neighbors recently requested a quote
Avatar for Season Control Heating Air Conditioning, Inc.
Season Control Heating Air Conditioning, Inc.
4.7(
115
)
Central A/C - Service or Repair

Serving Sun Valley, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"The company is top notch professional from the minute we met them. From the contract negotiations, delivery of materials and instillation, they were amazing. The installers gave us good advice about where we thought the unit might go to be placed in a more efficient noise cancelling area. I recommend this company to anyone who has air conditioning needs."
AC New Installation
AC New Installation
AC New Installation
AC New Installation
AC Repair

+14

Response time1 day
Response rate91%
184 neighbors recently requested a quote
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FAQs for air conditioning projects in Sun Valley, 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 Sun Valley, CA homeowners’ guide to air conditioning services

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