
Serving Los Osos, CA and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"I highly recommend Design Air"





+9


Serving Los Osos, CA and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"I highly recommend Design Air"





+9

Serving Los Osos, CA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"This was absolutely the best service I could have imagined. My vents went from filthy to spotlessly clean. I feel as if I can breath again. The value for the services provides was excellent. The technician, Elie, was fantastic. He was so service oriented and treated my wife and I like his own family. He worked with us on pricing so it was affordable and he gave us a ten year "club membership" for only $999.00 which gives us ten years of maintenance, twice a year for the next ten years to keep our heating and cooling systems updated and clean. I strongly recommend The Right Choice Heating and Air. They are fantastic. Thank you, Elie, for everything and keeping my family healthy! You're the bomb!"





+56

Serving Los Osos, CA and surrounding areas
Approved (Corporate)
In business since 1983
Free estimates
Emergency services offered
"Paso Robles Heating and Air did a great job. Their Technician was very professional and well organized. I would highly recommend Paso Robles Heating and Air at anytime, in fact we signed up for their yearly maintenance service."





+5

Serving Los Osos, CA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1953
Free estimates
Emergency services offered
"The Wighton's team did a very professional, thorough job. They were very prompt and courteous. They kept everything very clean. The units that they installed work beyond my expectations. I'm very please with the service I received, and would not hesitate to hire them again."





+14

Serving Los Osos, CA and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"Very through yearly maintenance on two heating and air conditioning systems with a comprehensive report on system operation presented when maintenance is complete. A professional and highly detailed service."





+1

Serving Los Osos, CA and surrounding areas
Approved
In business since 1994
Free estimates
Warranties offered
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!\n

Serving Los Osos, CA and surrounding areas
Approved
In business since 2006
Free estimates
Small jobs welcome
"I not only had an old furnace replaced but also had whole house air conditioning added. Very professional family business. Their estimate beat out two other HVAC businesses here in Lompoc⠦⠦ one of them by thousands of dollars. It paid to get three estimates. Daniel was easy to work with and honest. One of the other HVAC businesses in Lompoc is interested in selling you all kinds of stuff that increased his estimate by thousands of dollars. I highly recommend Ace Heating & AC."





+14

Serving Los Osos, CA and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
Plumbing, heating, and cooling isn?t solely our job, it?s our passion. We strive to provide you with the top plumbing and HVAC service in Paso Robles. No matter the size of the problem or time of day, you can trust us to get the job done right. After all, Paso Robles Plumbing, Heating, and Air has been servicing the community since 1983, bringing comfort to our customers right when they need it.





+5

Serving Los Osos, CA and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Lester is such a trustworthy and dependable man. He has done various jobs in and around my mobile home. He’s the only one I will call if I need help."





+14
Serving Los Osos, CA and surrounding areas
Approved
In business since 2023
Credit card accepted
Offers commercial services
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.





+15
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.
From average costs to expert advice, get all the answers you need to get your job done.

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