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
"He was friendly and at time. Very nice, so I am very happy with service."
+9
Serving Willis, MI and surrounding areas
Approved
In business since 1995
Free estimates
Credit card accepted
We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central air conditioning and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long term relationships with our clients, and guarantee your satisfaction.
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
"I needed to have my new whole house attic fan motor installed and the gentleman was very nice and did a fine job installing it. Even helped me locate the proper new one so I could order it. He did all that was required and then some."
+263
Serving Willis, MI and surrounding areas
Approved
In business since 1979
Emergency services offered
Credit card accepted
"They do a lot of different things. I don't know the different prices, it was not to bad. They told me a lot about furnaces."
Serving Willis, MI and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"These guys are awesome. They have serviced my home twice. Very detailed oriented and friendly. My first choice for sprinkler service."
+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
"He was really good, It wasn't a big job but he had no problem coming out to do it and I was really appreciative of that. He came out the day after I called him to give me an estimate and then came out the following Monday to do the job, he was very prompt and always here right on time. I would recommend him to anyone."
+11
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.
Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.
Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.
Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.
Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.
Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.
Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.