Serving Chino, CA and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"I am so pleased with Ray and his work. The floor furnace is back in working condition, better than ever, especially when other's said it could not be fixed. Basically wanting to up sale rather than repair. Ray is very knowledgeable and knows what he is doing. Thank you Ray!"
+2
Serving Chino, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"I highly recommend this company. Penguin heating & Air was very quick to respond to my request, fast text reply, sent them pics, they replied with a quote, which was way lower than anyone else on this site, or even our regular guy that we normally use, we scheduled an appointment for the very next day, which was today, he also finished the job the same day! David did a very good job, very professional. Despite a terrible rainy day, he got the job done. When he was done he walked me through with exactly what he did. He also quoted me for a service on an existing unit and his quote was almost $200 less than what our regular guy charges us... We will absolutely be using this company again."
+6
Serving Chino, CA and surrounding areas
Approved
In business since 1996
Free estimates
Emergency services offered
"Short notice call and he made arrangements to come see us with our air condition issue. Very cordial. Mask on as soon as he entered the door and explained everything in detail what he was going to do. Thank you so much! Nice and cold in the house again."
Serving Chino, CA and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"I had multiple quotes for the same job. Super Air had the best price, best customer service, and they really know what they were talking about. They took the time to explain and show me what the issue was. It really made me trust in them and their service. I will recommend them 100%."
+4
Serving Chino, CA and surrounding areas
Approved
In business since 2007
Free estimates
Small jobs welcome
"Prior to me selecting Aaceâ s heating air conditioning &swamp cooler, I interview (3) other well know AC/heating company and as most knows the â deceptionâ is real! After the initial consultations with one of the companies ( (name I wonâ t disclose)I was almost in tears about how many of their technicians were out of work and that I would help put food on their table...... I reluctantly agreed and signed the contract. After further thoughts I said to myself â he got me and immediately cancelled!! Aaceâ s heating AC & Swamp cooler they were sooo amazing and I was overjoyed with happiness! Integrity, respect, excellence, and team work they exhibited wellð ð ! I'm very picky and hard too please. I had NO option but to give frank and his team the well deserved compliments they rightfully earned!!!! Without a doubt I would recommend them to my family and friends. I forgot to mention they were very clean and took all the trash away even some of mines ð ð !!!! This review is documented from a real customer and NO one asked/ suggested I write anything. Happy customer ð ð ð !!!!"
+133
Serving Chino, CA and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Very professional and knowledgeable. Was very honest with what needed to be fixed. My until was making a noise and the technician came out and fixed the problem. I highly recommend Easy Air"
+4
Serving Chino, CA and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"Get multiple quotes before you make a decision"
Serving Chino, CA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"We have been trying to get an AC unit for the longest especially with this heat and iâ m so thankful i came across socal air quality. The installation and the whole process went very smoothly thanks to Pedro. I received a very affordable pricing and would definitely recommend the quality + the customer service."
+9
Serving Chino, CA and surrounding areas
Approved (Corporate)
In business since 1947
Free estimates
Credit card accepted
"I needed a new air conditioner, and I found Rightime Home services through Costco. Dominick arrived at my house was honest and straight forward with my quote. You cannot beat the Costco warranty for this installation. Tyler and Sonny arrived on time with their crew and completed the project in 2 days. They were professional, informative, clean. These gentlemen gutted my original air conditioner and installed a new unit. I would highly recommend this company to do any job at my house."
+2
Serving Chino, CA and surrounding areas
Approved
Free estimates
Credit card accepted
Offers commercial services
"He was a very honest man, he knew what he was talking about, and he was also able to finish the work fast and efficiently. He also had the best prices out of any other repair services."
+7
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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