Serving Crosby, TX and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Called and left a message at 8 AM by 8:30am they were here servicing my unit and now it’s cooling again!! Fast professional service…I highly recommend MADD Air, Justin is the best!!"
+11
Serving Crosby, TX and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Emergency services offered
"I requested a consultation on our central AC. With jn hours I received a call back, arranged an appointment. Mr. Portlo and his team arrived on time, were very knowledgeable, professional. He and his team provided excellent customer service. They not only fixed the problem but, they were able to provide maintenance on other 3 unites that we have. I highly recommend Mr. Portillo and his team. I will keep their number in my directory to call them again for our A/C and heating needs."
+2
Serving Crosby, TX and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Very professional and were able to replace my old AC unit with an efficient two stage Heat Pump System within a day and at an excellent price. I highly recommend Enoch Electric, Water & Air."
Serving Crosby, TX and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2000
Free estimates
Credit card accepted
"They check my air conditioning and heating systems every 3 months"
Serving Crosby, TX and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Very professional and knowledgeable. Knew what was wrong with central air unit within a few minutes and had it fixed soon after. Very reasonable priced."
Serving Crosby, TX and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"I had a great experience with Art?s Climate Solutions LLC! Their service was professional, friendly, and reliable. They took the time to explain everything clearly, answered all my questions, and made sure the job was done right. I really appreciate their honesty, quality of work, and excellent customer service. I highly recommend Art?s Climate Solutions LLC to anyone looking for dependable HVAC service!"
+2
Serving Crosby, TX and surrounding areas
Approved (Corporate)
In business since 1979
Free estimates
Credit card accepted
"From beginning (the quote) to the end (the work) they were easy, informative and helpful to work with while redoing my air duct system. Jeremy gave us a quote full of options and helpful information. It was easy to set up an appointment to have the work done and the workers who showed up were polite, thoughtful and hard working. Thank you, I fill like my A/C system is humming again."
+1
Serving Crosby, TX and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Credit card accepted
"Very professional and were able to replace my old AC unit with an efficient two stage Heat Pump System within a day and at an excellent price. I highly recommend Enoch Electric, Water & Air."
Serving Crosby, TX and surrounding areas
Approved
In business since 2015
Emergency services offered
Warranties offered
"i have a few estimates for new A/C. Rich's Air conditioning is the one that have the best price. he and his brother came out do the job. they clean all up after finish. Very personable/professional and would recommend his services to all."
+1
Serving Crosby, TX and surrounding areas
Approved
In business since 2011
Free estimates
Credit card accepted
Bringing years of contracting experience to the main stream, Mitchel's Mechanical is your one stop shop for all of your heating and cooling needs for your home! With experienced professionals, you will receive quality work and excellent service. Serving Harris and Montgomery Counties, Check out our Website at
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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