
Serving Rio Vista, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"He was very quick to fix my air conditioning. Very knowledgeable and easy to work with. Overall great service"


Serving Rio Vista, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"He was very quick to fix my air conditioning. Very knowledgeable and easy to work with. Overall great service"
Serving Rio Vista, CA and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"kazen was again excellent. they serviced my air in the summer and returned to replace a bad furnace ignighter right away the same day it broke."

Serving Rio Vista, CA and surrounding areas
Approved
In business since 2003
Free estimates
Credit card accepted
"Truthfully, we had angst about calling for service because of past experience with other HVAC vendors. They always said the same thing, our system is "old" and we need a new one. Very expensive! We called for service, not a hard sell! Hence, we never used the same one twice. However, Tyndall gave me the impression, whether right or wrong, that they would be less likely to do this so I decided to try them. They kept me informed of their arrival status, since they squeezed me in at the end of their work day the same day I called. So, communicative and accommodating! After running several tests, they determined it was an electrical problem and nothing to do with the unit itself. They also said our unit doesn't need replacing - that's a first! They didn't do any unnecessary service or repair to run up the bill or even try to convince us it was needed. We were only charged the minimum fee as quoted. We were able to repair our air conditioning without the "hard-sell angst". So, thorough and honest! Unlike the other HVAC vendors we've used, we definitely will call them if we need service again!"

Serving Rio Vista, CA and surrounding areas
Approved (Corporate)
In business since 1978
Emergency services offered
Warranties offered
"The service was good, they were able to fix the problem and make my air conditioning run during the summer."





+18

Serving Rio Vista, CA and surrounding areas
Approved
In business since 1989
Free estimates
Credit card accepted
Tokay Heating, Air & Plumbing has been a locally owned and operated comfort company serving North Highlands, Sacramento, and the Lodi region since 1989. For over 35 years, homeowners have trusted us for expert heating and air conditioning service — from routine tune-ups and repairs to full system replacements. Our trained technicians arrive on time, treat your home with respect, and give you straight answers, not upsells. When your comfort is on the line, you want a team that knows HVAC inside and out and has the track record to prove it. That's Tokay.

Serving Rio Vista, CA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"I had Maverick come out to replace a 58 year old fuse box, wiring, and installation of a surge protector. They sent Nate Alexander out to give me a 3 option package of what to choose from. I made the decision on the option and Nate was there two days later. He spent six hours doing the job Was extremely knowledgeable and very thorough. Nate not only was very professional, but so kind and polite. As he hails from Texas I can see the Southern good manners are very much a part of his personality. Although this is a young company, I can see why it has grown so rapidly. QUALITY and INTEGRITY. I had a great experience with Maverick and would highly recommend them to friends and family. Yes Ma'am I surely will !!"





+46

Serving Rio Vista, CA and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Credit card accepted
"Elsy ( I believe she was the plumber from your company via Angi) arrived as scheduled, on Saturday, 09/28/2024. She attempted to repair my garbage disposal unit but was unable to do so as the unit's wiring was worn out. I advised the unit is 40 yrs old. She recommended to purchase a new one. We made a trip together to the local Home Depot store and I purchased the same brand s she recommended. She installed it in record time (within the 2.5 hrs) and completed the job. She also cleaned the work space and carried the old one to my recycling bin. Very satisfied with her work. Also, I want to know if I will receive a billing statement for my records? Thank you for your time & assistance."





+1

Serving Rio Vista, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Customers say: True professional
"Contractor was able to help me with Electrical on AC unit, lighting replacment, dryer vent, plumbing. He did great work, fair prices, and had excellent customer service. He even worked with me to replace the GFCI and cord to get our Hot Tub working while we were out of town!! I highly recommend McD Flooring!"





+10

Serving Rio Vista, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!





+59

Serving Rio Vista, CA and surrounding areas
Approved (Corporate)
In business since 1956
Offers commercial services
"Alante , the tech was professional , courteous kept me informed The customer service also was outstanding"

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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