Making buildings work better since 1965.
MacDonald-Miller is not your typical commercial HVAC contractor! As a union company, our service technicians receive the highest level of skill development and certifications in the industry. Our techs are continually trained by industry experts to ensure they operate by the highest standards of safety and best-in-class practices.
Customers can expect:
- Priority Response
- Guaranteed Jobsite Safety
- Efficiency and Consistency