Serving Willis, MI and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Just was ok. In and out on furnace maintenance and didn't provide any information"
+1
Serving Willis, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Our a/c went out in the dead heat and Zach came out and fixed it the same day! He was very knowledgeable and professional."
+9
Serving Willis, MI and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
At Smart Zone Heating & Cooling, we provide reliable, high-quality heating and cooling services for both residential and commercial customers. Our goal is simple: deliver dependable HVAC solutions that improve comfort, efficiency, and long-term performance.\n\nAs a licensed and insured HVAC contractor, we specialize in professional installation, repair, and maintenance of heating and cooling systems. Whether you need a new furnace installation, air conditioning repair, system replacement, or preventative maintenance, we focus on doing the job right the first time.\n\nWe take pride in offering honest recommendations, fair pricing, and high-quality workmanship. Our team understands that HVAC systems are one of the most important components of any home or business, which is why we work efficiently, communicate clearly, and treat every property with care and respect.
Serving Willis, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2007
Free estimates
Emergency services offered
"Mr. Bush was very thorough and very knowledgeable. I have been having problems with my stereo equipment and my humidifier for years and he just came in and looked at it right away and fixed it. He gave me information on how to go forward and what to do to be safe with all these things. He gave me a lot of useful information and he was just very thorough, very efficient, very fast and very knowledgeable. His communication was excellent in communicating to me. I would recommend him to all my friends and I hope he will come back and help me in the future anytime if I have a problem. I would never call on anyone else."
+263
Serving Willis, MI and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Job well done. I highly recommend to family and friends ?"
+44
Serving Willis, MI and surrounding areas
Approved
In business since 2001
Warranties offered
Small jobs welcome
"After posting our job on Angie's List. We were contacted by Jeston of Handyman of Ann Arbor. He arrived at our residence that afternoon and provided us with a quote and time line for completion of the job. The job was completed as promised and we are extremely pleased with the outcome. Jeston worked closely with us to answer all questions and explain the process and time frame to complete the project."
+104
Serving Willis, MI and surrounding areas
Approved
In business since 2002
Credit card accepted
Customers say: Super punctual
"Job was completed in record time. Worker was polite and knew what he was doing. I may higher them again."
+1
Serving Willis, MI and surrounding areas
Approved
In business since 2003
Customers say: True professional
"Jose was very thorough and did a very good job. I am pleased with his work. His prices are reasonable. I will hire him again. I recommend him."
+11
Serving Willis, MI and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Experienced HVAC technician offering installation, repair, and troubleshooting for AC units, furnaces, and walk-in coolers. Skilled in electrical and system diagnostics with a strong focus on fast, reliable service. I take pride in honest work, fair pricing, and solving problems efficiently. Available for emergency and after-hours service.
Serving Willis, MI and surrounding areas
Approved
In business since 1976
Free estimates
Credit card accepted
Design Comfort Company is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 40 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
+9
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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