A OK Mechanical is proud to serve Lansing MI and the surrounding areas with top quality services for all of your HVAC, electrical, and plumbing needs! With over 40 years in the business, no matter what your situation is, we have a solution for you. Our highly trained and experienced technicians are up to date with the latest energy saving sustainable green technologies, to make sure you save where it counts. We specialize in service, sales, repair, and installation of most makes and models of heating and A/C. Give us a call today to schedule your next appointment.