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Find Air conditioning pros in Highland Park

Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+4 more

Serving Highland Park, 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
Additional Photos
Additional Photos
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Additional Photos

+24

Response time3 days
6 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Belle Air Services
Belle Air Services
4.8(
62
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Highland Park, 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!"
Daikin VRV
My jobs
My jobs
My jobs
My jobs

+6

Response time1 day
203 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
271
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Highland Park, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Tyler Jones from All City Plumbing Air and Electrical did a great job replacing a gas valve in our garage. He was friendly and easy to engage with, clearly knowledgeable, and took the time to explain what he was doing. The work was completed efficiently and effectively, and everything was handled professionally from start to finish. I’d definitely recommend Tyler and All City for plumbing and gas-related work."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+42

10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Top Energy Solutions, Inc.
Top Energy Solutions, Inc.
4.9(
62
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+1 more

Serving Highland Park, 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
New Windows Installation in Hollywood
5 Ton Furnace Replacement
Attic insulation
New Mini Split - Daikin Emura

+87

Response time1 day
Response rate98%
4 neighbors recently requested a quote
Avatar for Progressive Air, Inc.
Progressive Air, Inc.
5.0(
14
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Highland Park, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"I had my ducts cleaned and sanitized and the service was absolutely perfect. The technician was on time, professional, and explained everything clearly. The difference in air quality is noticeable right away ? the system feels fresher and runs smoother. They took their time, did a thorough job, and left everything spotless. I?m extremely satisfied and highly recommend their duct cleaning and sanitizing service to anyone who wants real quality work."
Full Hvac system install
Full Hvac system install
Response time4 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Upright Construction & HVAC
Upright Construction & HVAC
4.7(
27
)
Central A/C - Service or Repair

Serving Highland Park, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Credit card accepted

"Was very satisfied with the work,Eeine completed the repairs in my a/c in a timely matter and it is now working as it should the house at blowing cold air,he is very honest and gave me a good price I would recommend him to anyone needing work on there home.Five stars all the way."
Response time3 hrs
Response rate100%
161 neighbors recently requested a quote
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FAQs for air conditioning projects in Highland Park, 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 Highland Park, CA homeowners’ guide to air conditioning services

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