CMR Mechanical

Heat pumps are the future of home comfort—and CMR Mechanical is Ann Arbor's leader in heat pump technology. Whether you need a new hybrid heat pump, a Mitsubishi mini split, or a geothermal system, our certified technicians handle it all. Heat pumps work by moving heat instead of generating it, which makes them up to 300% more efficient than traditional furnaces. That means lower utility bills and a smaller carbon footprint for your family.Our process starts with a free in-home assessment. We ev...

When your furnace quits on a freezing Ann Arbor night or your AC fails during a summer heatwave, CMR Mechanical is here 24/7. We repair, replace, and maintain all makes and models of furnaces and air conditioners. Our technicians are trained in the latest high-efficiency systems, including gas furnaces with AFUE ratings over 95% and AC units with high SEER ratings for maximum energy savings.We start every repair with a thorough diagnostic to find the root cause—not just the symptom. If replaceme...

Did you know indoor air can be five times more polluted than outdoor air? CMR Mechanical helps Ann Arbor families breathe easier with advanced indoor air quality (IAQ) solutions. We install whole-home air filtration systems, humidifiers, and the RGF Halo LED purification system. These technologies capture dust, pollen, mold spores, and even viruses—creating a healthier environment for allergy sufferers and everyone else.Our process begins with an IAQ test to measure humidity levels, particulate...

CMR Mechanical is a family-owned heating, cooling, and refrigeration contractor serving homeowners and businesses across Ann Arbor. We handle the full range of comfort work, from repairs and maintenance to new installations, and we focus on efficient systems that keep your space comfortable while lowering energy use. Our technicians arrive on time, wear shoe covers, and clean up after every visit. Whether you need a quick fix or a whole-system upgrade, we take the time to explain your options pl...

Heat pumps move heat rather than generating it, which is why they can cost much less to run than a traditional furnace. We install air-source heat pumps, hybrid systems that pair with an existing furnace, and ductless mini splits for homes without ductwork. Installation starts with an in-home assessment of your insulation, ductwork, and space to match the right size and type. We work carefully around your property and aim to finish on schedule. We service all major brands, so if your current uni...

When your air conditioner struggles during a hot Michigan summer, we can diagnose the problem and get it cooling again. Our service covers repairs, routine tune-ups, filter changes, and system inspections for all major brands. We also install high-efficiency units when replacement is the better choice, and we help you pick a model that suits your home. Regular maintenance catches small issues before they become breakdowns, keeps your system running efficiently, and helps extend its life. Call us...

A Mitsubishi mini split is a good option for homes without ductwork, or for rooms that never seem to get comfortable. Each indoor unit mounts on the wall and is controlled separately, so you can heat or cool only the spaces you use. These systems run very quietly and are efficient in both heating and cooling modes. We handle the entire job, including sizing the system to your rooms, mounting the indoor and outdoor units, and running the lines neatly. We also service existing mini split systems w...

Boilers provide steady, even heat, but when one stops heating water or radiators run cold, it needs prompt attention. We diagnose and repair boiler problems, including issues with circulation, controls, and ignition. We also perform maintenance to keep older and newer units operating safely and efficiently. If repairs would cost more than the system is worth, we will explain that clearly and discuss replacement options that fit your home. Contact us when you notice leaks, strange noises, or a dr...

Geothermal systems use the stable temperature underground to heat and cool your home, which makes them one of the most efficient options available. A ground loop circulates fluid through the earth, and a heat pump transfers that warmth or coolness into your living space. We help homeowners decide whether geothermal suits their property, then handle installation and service for these systems. Because geothermal units have lower running costs and a long operating life, they are a practical choice...