A-1 Refrigeration is a family owned business that has been servicing the Southwest Michigan area since 1949. A-1 Refrigeration can take care of your every HVAC-R/Sheet metal and plumbing needs from the planning and design stage through installation and emergency service. Our preventive maintenance programs help catch minor problems before they become a major disaster. Our design staff can help design a new system or evaluate your current system to ensure your equipment is running properly. Our service staff is available anytime during the day or night to get your system back up and running when you have a problem.