Commercial HVAC in Metro Detroit, MI— A Plus Heating and Cooling

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Commercial HVAC is more than just heating and cooling—it is the infrastructure that makes a business environment functional, comfortable, and compliant. A Plus Heating and Cooling has provided comprehensive commercial HVAC services to businesses throughout Metro Detroit since 1999, and we understand the demands that commercial operations place on their mechanical systems and the contractors who service them.


We install, service, and maintain the full range of commercial HVAC equipment for businesses of all types and sizes—from small offices and retail spaces to warehouses, manufacturing facilities, restaurants, and multi-tenant commercial buildings. Our commercial HVAC team is licensed, insured, and experienced with the equipment, regulations, and operational realities of commercial HVAC.


Call Now—
(248) 629-7075

Commercial HVAC Services

  • Rooftop unit installation, repair, and maintenance—for retail, office, and commercial buildings
  • Make-up air unit installation and service—for commercial kitchens and high-ventilation spaces
  • Commercial refrigeration — installation, maintenance, and repair
  • HVAC control systems—real-time monitoring and energy management
  • Tenant build-out HVAC—installation for new commercial tenants
  • Commercial preventive maintenance—A Plus Elite Maintenance Plan for businesses
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Commercial HVAC Frequently Asked Questions

  • Do you offer service agreements for commercial HVAC?

    Yes. Our A Plus Elite Maintenance Plan provides structured preventive maintenance for commercial HVAC equipment, with scheduled visits, multi-point inspections, and discounted repair rates for plan members. Preventive maintenance is the most cost-effective strategy for managing commercial HVAC costs and preventing unexpected failures.

  • Can you handle HVAC for a new commercial build-out?

    Yes—tenant build-outs are a core part of our commercial services. We work with property managers, developers, and tenants to design and install HVAC systems tailored to the specific requirements of new commercial spaces, ensuring the installation meets code requirements and the operational needs of the tenant.

  • What commercial refrigeration services do you provide?

    We provide commercial refrigeration installation, maintenance, and repair for all commercial applications, including walk-in coolers and freezers, reach-in refrigeration, display cases, and specialty refrigeration equipment. Our technicians are experienced with commercial refrigeration systems and the regulatory requirements that govern them.

Call Now—(248) 629-7075