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Find Air conditioning pros in Thousand Oaks

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 Thousand Oaks, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Very happy with the new installation, replacement, and repair services for heating and air conditioning! The technicians were courteous, well-informed, and on time. They promptly resolved the problem and provided comprehensive explanations. A truly professional and trustworthy crew. Strongly suggested!"
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+24

Response time3 days
9 neighbors recently requested a quote
Recommended by7%of homeowners
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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+12 more

Serving Thousand Oaks, 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
Response rate100%
7 neighbors recently requested a quote
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Efficiency Air, Inc.
4.8(
321
)
Central A/C - Install

Serving Thousand Oaks, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Credit card accepted

"This was the second time Tim has done work for me. He installed the heating system two years ago and now the central air conditioning. His crew was very fast, clean and pleasant. I could not ask for better service.. My son, who is in the business out of state, said the price was very good."
A/C Condensers
A/C Condensers
A/C Condensers
A/C Condensers
Canoga Park, Goodman A/C

+50

Response time7 hrs
148 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for United Air Heating & Air Conditioning, Inc.
United Air Heating & Air Conditioning, Inc.
5.0(
50
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+5 more

Serving Thousand Oaks, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"The great thing about my experience with United Air was not only the competent job, but their willingness to teach the customer how things work. Having this information better informs me on what to look for to keep my air conditioning system in top shape. This will save me problems down the line. I highly recommend this company."
Level 3 Maintenance
Fan Motor Cleaning
Level 3 Maintenance
before photo of the entire indoor blower & hou
Before photo of Level 2 maintenance on Furnace

+20

Response time3 hrs
Response rate85%
3 neighbors recently requested a quote
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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 RepairCentral Air Cleaner - Install or Replace+2 more

Serving Thousand Oaks, 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
39 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Highland Air LLC
Highland Air LLC
4.9(
111
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Thousand Oaks, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"AC issue diagnosed and fixed quickly"
Condenser
Indoor unit
Before
During
After

+95

Response time4 hrs
Response rate89%
9 neighbors recently requested a quote
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Avatar for Help-Me HVAC LLC
Help-Me HVAC LLC
5.0(
22
)
Central A/C - Service or Repair

Serving Thousand Oaks, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"My air conditioner was not working properly haroon show up after diagnose he change the capacitor and did clean up the unit working prefect"
My jobs
My jobs
My jobs
1 neighbors recently requested a quote
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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 Thousand Oaks, 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!

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+7

29 neighbors recently requested a quote
Recommended by44%of homeowners
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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 Thousand Oaks, CA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Installed a new HVAC system. They were punctual and professional. I'm very pleased."
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%
3 neighbors recently requested a quote
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Avatar for RR Electric Heating & Air
RR Electric Heating & Air
4.7(
63
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+2 more

Serving Thousand Oaks, CA and surrounding areas

Approved

In business since 1994

Warranties offered

Credit card accepted

"Ask for Gary. He is the best HVAC technician."
Air ducts
Outdoor Condenser
Response time30 mins
Response rate100%
2 neighbors recently requested a quote
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FAQs for air conditioning projects in Thousand Oaks, 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 Thousand Oaks, CA homeowners’ guide to air conditioning services

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

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