
Serving Vail, AZ and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"Great! We are very happy with ACS. We have used their services for years."





+5


Serving Vail, AZ and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"Great! We are very happy with ACS. We have used their services for years."





+5

Serving Vail, AZ and surrounding areas
Approved
Super Service Award Winner
In business since 1982
Free estimates
Emergency services offered
"were very prompt in installing my air conditioning..the owner of the company came out and was part of the installation to speed up the installation."





+16

Serving Vail, AZ and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"My A/C unit was blowing hot air out on Tuesday 4/15 and I called Dynamic Comfort who installed it that afternoon. On Wednesday 4/16 Will came out gave it a leak test and determined that I did in fact have a leak and he gave some refrigerant to last through the night which it did. On Thursday 4/17, Brandon came out and found the leak, but that was not the only problem, he stayed here for around 5 hours until he found the problem, which was a bad pipe that needed to be replaced. Brandon did a very through job in finding the problem and he wasn't going to leave until the problem was fixed. Dynamic Comfort has always provided me the most excellent service and this was another prime example. Kudos to them and their technicians Will and Brandon!!!!"





+47

Serving Vail, AZ and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"The technician was very helpful. He made sure my system was installed and working properly, and he was also very efficient and fast. I definitely recommend Corona Heating and Cooling for any AC installs."





+4

Serving Vail, AZ and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Top Air Care was the PERFECT company to hire. They take all the care in every part of the job. From scheduling to install there was so much attention to detail I felt in great hands. They picked up after themselves and even called a couple days later to make sure everything was still working properly. Will definitely keep hiring them and I recommend you do too!"



Serving Vail, AZ and surrounding areas
Approved
In business since 1979
Free estimates
Emergency services offered
"My three furnaces and corresponding compressors were on their last legs and were also freon charged units, which is oh so bad for the environment, so I decided that now was a good time to make a change. I called Intelligent Design to do an evaluation and recommendation as to what units I should buy. The sales person took about an hour to evaluate my home and my needs and present three different bids, ranging from a single stage compressor/furnace combo up to a multistage system. I chose the middle ground and opted to go with a dual stage. None of the bids were cheap (and one was outrageously expensive in my opinion), but hey air-conditioning is expensive in general and an absolute essential living in the desert. They scheduled the work right away, arrived pretty much on time and finished in two days, which was the time frame they had quoted. The workers all did an acceptable job of cleaning up after themselves. The installation was done very well. The work was tidy and completed with great craftsmanship. This to me is the cornerstone of what every service-oriented company should strive for. Alas, that is not always the case. Anyway, I could immediately feel a difference in my house with the ducts sealed and the upgraded equipment. The house cools down faster and the units run less frequently. My energy bill is noticeably lower. I have used Intelligent Design for a about 4 years now for maintenance and repair on my old system and now the installation of the new equipment. Everyone I have ever dealt with in the company has been competent, professional and trustworthy. Not once have I been given the run-around or felt like I was being lied to or taken advantage of. They may not be the least expensive company out there, and if you just want cheap service or install then you should probably look elsewhere. But if you want something done correctly, the first time, then I would recommend Intelligent Design."





+5

Serving Vail, AZ and surrounding areas
Approved (Corporate)
In business since 1939
Free estimates
Emergency services offered
"Amazing work performed. This company is amazing at what they do. My AC was repaired quickly and now operates correctly. Thanks goettl for your help."





+10

Serving Vail, AZ and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
Best Choice Heating & Cooling LLC proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!\n


Serving Vail, AZ and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"It is inconceivable that with all the air conditioning companies in the immediate Tucson area, you would recommend only one company, and it is elsewhere. You have embarrassed yourselves and lost any future contact from me."





+11

Serving Vail, AZ and surrounding areas
Approved
In business since 2000
Emergency services offered
Warranties offered
"Donovan was very professional, gave thorough evaluation and description of the service work provided on my air conditioning units on all 4 of my houses that were serviced. I highly recommend Strongbuilt Plumbing and Air for your air conditioning service needs and plumbing service needs."





+20
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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