Get matched with top air conditioning pros in Union Lake, MI

"I contacted Greg after I turned on the heater for the first time and noticed a burning smell coming from the ducts. While they were booked out three days in the future, Greg found a way to work us into the schedule the same day. Within hours, they had the problem diagnosed and had located the parts needed to fix it--all at a fair and reasonable cost. Additionally, they offered advice on how best to maintain our air conditioning unit. I would highly recommend them and will be calling them again with future work."

"Dwayne was very professional, explained the problem in a concise way and left us feeling extremely satisfied with him and Maxx Air. We will continue to call on Maxx Air for our service needs. SZ"

"See above. I was very nearly cheated out of $3600 to replace an air conditioning unit that wasn't even broken."

"Thank you for the fast service and reasonable price , I had emergency call , hot water heater was installed the same day , I will recommend family and friends"

"Zack and his crew did a great job replacing our furnace, even worked on Sunday so we could have heat!! Would highly recommend them to anyone..."

"I called in an emergency repair at 8:00 am and by 9:45 Justin, Toasty's technician arrived and found the problem and I had heat by noon. I recommend this company the service was prompt and very professional."

"Our service professional was professional and personable. He came the same day and worked in the pouring rain to fix our air conditioner. He did not try to upsell us on anything that was not needed. He was very cautious about tracking in water and mud. Everything was cleaned when he was done. He even swapped out our filter for the furnace while he was here."

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.

"The morning our air went out I spoke with Allison and she made sure that they could get out to us right away! Randy and Karla came that day did an amazing job with our AC/Furnace replacement. Great people at a great price. Our systems work amazing now. I recommend them too all my friends and family!"

"Scheduling was easy, Alex and Victor came within 1 business day of scheduling. Team was very knowledgeable and explained all steps. Very reasonable pricing, total cost $420. I highly recommend Black Diamond Sprinkler."