Serving Roseville, MI and surrounding areas
Approved
In business since 2006
Emergency services offered
Small jobs welcome
"They will work with you to help get it done. Great company. Will call again."
Serving Roseville, MI and surrounding areas
Approved
In business since 2015
Emergency services offered
Warranties offered
"I hired midpoint cool temp to install furnace & air conditioner, the price was negotiable, fast service clean area , I will recommend family and friends"
Serving Roseville, MI and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1979
Free estimates
Emergency services offered
"Our furnace had quit working early Saturday morning. I called Andy's around 8am, Dennis arrived before 10 am and explained our options; we decided to replace. At 11:10, Dan arrived with the new unit and was finished installing by 3:00pm!! Great Service!"
Serving Roseville, MI and surrounding areas
Approved
In business since 1983
Free estimates
Credit card accepted
"Very efficient. Good price. Great service !"
Serving Roseville, MI and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"Absolutely wonderful service. They guys all worked so hard and were great at explaining everything to us"
Serving Roseville, MI and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"In the midst of the hot weather, our A/C decided to stop working. My friend referred Priority. They were able to make it out to me very quickly and repair our A/C at an affordable price. The guys were very knowledgeable and helpful in explaining how things work and what was wrong. I would definitely recommend Priority for any heating and cooling needs."
Serving Roseville, MI and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
We specialize in providing top-quality heating, ventilation, and air conditioning services tailored to your unique requirements. Our skilled technicians are dedicated to delivering reliable solutions that ensure your comfort and satisfaction.\n\nAfter more than a decade of working in the HVAC industry, we saw a growing need for a company that put honesty and people first. Built on a foundation of hard work, integrity, and family values, we started this business to offer Metro Detroit homeowners and businesses a better experienceno pressure, no shortcuts, just reliable service from technicians who treat every customer like one of their own.\n\nWe service and install all major HVAC brands, giving you the flexibility to choose the right system for your home or business. Not sure what brand is best for your needs? Were here to guide you with honest, knowledgeable recommendations.
Serving Roseville, MI and surrounding areas
Approved
In business since 2025
Free estimates
Offers commercial services
"Safe air was wonderful to work with with they came in on time and made sure they did a great job we will be using them again in the future"
+3
Serving Roseville, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Warranties offered
"We had a great experience with EMH Mechanical! Ethan and his team were professional, efficient, and knowledgeable. They installed a heating unit in our garage, and the service was outstanding. We really appreciated how they took the time to explain everything in detail and made sure everything was working perfectly. We highly recommend them to anyone in need of HVAC services!"
+9
Serving Roseville, MI and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"Job was done on time and very professional. I would definitely hire this company again."
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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