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





+9


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





+9

Serving Nipomo, CA and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"I live in Utah. I went through Home Advisor to find someone to fix Grandma's heat. Grandma said it was 47 degrees in her place. Seaside Air had Grandma's heater fixed in a couple hours. So grateful! Thank you!!!"

Serving Nipomo, 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 Nipomo, CA and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"Jonathan and his crew were very professional and a pleasure to do business with. They installed a new A/C unit at my daughter and son-in-laws home which works amazing! I hired them from Florida to do the install in California. After receiving 3 different quotes, their pricing was the best!! Jonathan was very honest and reliable and I would highly recommend Premier Heating & Air to everyone!"
Serving Nipomo, CA and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"After calling me, John came early and repaired my furnace. I am going to have him come back and give me a price on an air conditioning install. Overall a good experience!"

Serving Nipomo, CA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1953
Free estimates
Emergency services offered
"This was done to remove dust and odor coming from heating system which seems to be drawn from the air in the attic. Dust was improved but odor is still a problem. I will meet with them again this winter to work on further reducing the odor.
"





+14

Serving Nipomo, 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 Nipomo, 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 Nipomo, 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 Nipomo, 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
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.
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