Serving Porterville, CA and surrounding areas
Approved
In business since 1952
Free estimates
Emergency services offered
"the work was performed quickly and in a professional manner.
"
+38
Serving Porterville, CA and surrounding areas
Approved (Corporate)
In business since 1981
Emergency services offered
Warranties offered
"prompt, knew what he was doing, fair pricing"
+36
Serving Porterville, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"We are very happy with the quality of the work and the professionalism."
+22
Serving Porterville, CA and surrounding areas
Approved
Martinez HVAC Services provides reliable heating, ventilation, and air conditioning solutions for residential and commercial customers. We specialize in keeping your home or business comfortable year-round with high-quality service, honest pricing, and expert workmanship.
Serving Porterville, CA and surrounding areas
In business since 2012
Free estimates
Credit card accepted
Pete's Heating & Air, Inc., is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. Please give us a call today!
+3
Serving Porterville, CA and surrounding areas
Free estimates
Emergency services offered
Warranties offered
We are a residential and commercial air conditioning company. With over a decade of experience servicing the central valley. We are here to help with your air conditioning, heating, and refrigeration system needs. Our services include maintenance, repair, and replacements. We are available 24/7.\nWe thank you for your time, and look forward to assisting you.
Serving Porterville, CA and surrounding areas
In business since 1989
Emergency services offered
Credit card accepted
"Cleaned air ducts. I had a special, but had to pay more for upgraded |service. They did not put grilles back properly on one of the ducts"
Serving Porterville, CA and surrounding areas
In business since 1978
Free estimates
Credit card accepted
"They checked all aspects of the air conditioning system before they made the repairs."
Serving Porterville, CA and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Excellent service, very fast response to my request for service, picked up laptop, diagnosed issues. Initially thought it was an OS update issue but the hard drive had failed along with other components (including 'CPU). Because other components were involved, a new solid state hard drive was put into a laptop with a working processor - same type CPU as in the failed unit. The laptop was repaired and returned in less than a week. This company picked up and dropped off the laptop (driving from Huntsville, AL (about 60-70 minutes)-- great service in this covid environment. I would recommend this company to my family./friends and will use again."
Serving Porterville, CA and surrounding areas
In business since 1993
Free estimates
Emergency services offered
"Keep up the good work"
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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