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Find Air conditioning pros in Temecula

Avatar for AIRTIGHT AIR INC
AIRTIGHT AIR INC
4.9(
74
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"It went wonderfully, Ryan explained everything he was doing & made sure I understood what he was doing & why. Airtight Air is the best company I have come across in a very long time. They are honest & very reliable & they make you feel very comfortable. I would recommend this company to anyone who wants someone honest & reliable."
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+57

Response time5 hrs
11 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"My experience with heating and air conditioning repair, replacement, and new installation was excellent. Their staff was amiable, well-informed, and meticulous. Our device is operating more efficiently than before. Really trustworthy service!"
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+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Champion Aire Heating and Air Conditioning
Champion Aire Heating and Air Conditioning
4.6(
192
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The team from Champion Aire were professional and did a great job. Anthony,Kim,and Jay worked hard to finish the work in one day. If you are in need of a team of Heating and Air Conditioning specialist call Champion Aire."
Daniel Tai
Mike Gibson
HaPpy Client
Happy Costumer!..
Happy Client

+37

Response time1 day
Response rate94%
5 neighbors recently requested a quote
Avatar for AirTight Air, Inc.
AirTight Air, Inc.
4.9(
53
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"We are so very pleased with the meticulous attention to detail in every phase of the complete replacement of our air conditioner and furnace. Ryan completely explained every detail as the work progressed. What sets Ryan apart from almost every other repair professional is the total cleanup at the end of the workday. He doesnâ t stuff everything in our trash, but hauls everything away every day. He has explained how the system works and is always available to answer our questions. We would recommend this outstanding company to anyone who needs HVAC installation at a fair price and excellent service. Ryan is the best! Thank you Airtight Air."
COMMERCIAL: PROGRESS PHOTO OF INSTALLING DUCTWORK
Company Truck - Ready for Install
COMMERCIAL: DUCTWORK
York Complete Dual Split-System Change-Outs
Commercial Ventilation Project - 35 inch round

+68

Response time4 hrs
Recommended by100%of homeowners
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
327
)

Serving Temecula, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Anthony and Brandon at MSP Heating and Air Conditioning were incredibly helpful, even though they couldn?t service our water source heater. They took the time to assess the system, explained the situation clearly, and didn?t just leave us hanging?they recommended two other companies and even made a call to one of them on our behalf. It?s rare to find that kind of genuine care and effort, and while they couldn?t help us this time, we?ll definitely reach out to them for any future needs. Thanks again, Anthony and Brandon!"
duct job all R-8 ducting
4 Ton GOODMAN Furnace
customer Vlastos
duct job all R-8 ducting
furnace install

+67

Response time4 hrs
14 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AireCare Heating and Air
AireCare Heating and Air
5.0(
39
)

Serving Temecula, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Michael was knowledgeable and very informative. The installers were competent, outstanding, and courteous. Aire Care’s bid was more budget friendly compared to other major local companies. The crew promised to get installation done in 2.5 days but completed the work in 2 days with an additional install. All in all, we would go with AireCare Heating and Air any day. We highly recommend AireCare Heating and Air."
San Marcos Full System
San Marcos Full System
San Marcos Full System
San Marcos Full System
San Marcos Full System

+8

Response time6 hrs
Response rate91%
32 neighbors recently requested a quote
Avatar for Liberty Plumbing Heating Air Conditioning Inc
Liberty Plumbing Heating Air Conditioning Inc
4.9(
209
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Very efficient and pleasant employees. Even showed how to clean the heater once a year. Explained all the levers and how to restart the pilot light of needed. All things I never knew but now I do. Thank you!"
Response time8 hrs
Response rate98%
20 neighbors recently requested a quote
Avatar for Trabuco Air
Trabuco Air
4.6(
130
)

Serving Temecula, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Bill Walker is the tech that diagnosed my faulty condensing unit compressor to be grounded. Sounds like a good thing right? but its not. You never want to hear that. Should you ever do so you want Trabuco Air handling it. I was explained what was wrong and given options that i could comfortably choose from without just breaking the the already shaking bank. Trustworthy and reliable Bill is a cool cat and confident in his skill set. He knows air conditioning extensively and will solve your needs as well. I can finally enjoy the upstairs again thanks to Bill from Trabucco Air."
Response time5 hrs
Recommended by94%of homeowners
Avatar for FIRST CLASS COMFORT HVAC LLC
FIRST CLASS COMFORT HVAC LLC
5.0(
19
)

Serving Temecula, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Jeremy and his team installed my new AC unit, and I couldn?t be happier with the experience. They showed up on time, were professional and friendly, and made sure everything was working perfectly before they left. Highly recommend them for any HVAC or AC installation work!"
FCC HVAC
FCC HVAC
FCC HVAC
FCC HVAC
FCC HVAC

+26

Response time5 hrs
Response rate100%
22 neighbors recently requested a quote
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FAQs for air conditioning projects in Temecula, 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 Temecula, CA homeowners’ guide to air conditioning services

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