Commercial HVAC Service in Southeast Michigan and Northern Ohio
24/7 Commercial HVAC Repair
Heating & Cooling Installation
Preventative Maintenance
Build-Outs & Renovations

Heating and Cooling for Shops, Offices and Small Businesses in Ann Arbor, Toledo, Saline, Monroe, Perrysburg and the Surrounding Communities

Commercial HVAC You Can Count On
When the heat or air conditioning goes down at your business, it costs you customers, comfort and productivity. Tri-State Heating and Cooling provides commercial heating and cooling repair, installation and maintenance for shops, offices, salons and other small and mid-size businesses across Southeast Michigan and Northern Ohio.
Owner AJ brings more than 22 years of hands-on HVAC experience. We respond quickly, explain what’s wrong in plain language, and give you clear options so you can make the right call for your business and your budget.
Commercial HVAC Services We Provide
- 24/7 commercial HVAC repair for rooftop units, furnaces, air conditioners, heat pumps and boilers
- Rooftop units (RTUs): repair, replacement and scheduled maintenance
- Heating and cooling installation and replacement, sized to your space and how it’s used
- Commercial boiler service, including repair, maintenance and replacement
- Preventative maintenance on a schedule that fits your business
- Build-outs and renovations, working with owners, architects and contractors
- Commercial water heaters, including tankless options
- Generac standby generators to keep your business running during outages
Keeping Your Business Open
A broken furnace on a January morning or a failed AC unit in July can close your doors. We answer commercial no-heat and no-cool calls 24/7, including nights, weekends and holidays, and we work to restore heating or cooling on the first visit whenever the parts allow.
If a repair needs to happen outside business hours to avoid disrupting customers or staff, we’ll work with you on timing. Call (517) 260-6334.

Build-Outs, Renovations and New Spaces
Opening a new location or renovating an existing space? We work with business owners, architects and general contractors to plan heating and cooling that fits the space, the layout and how it will be used.
- Load calculations so equipment is sized for the space, occupancy and equipment heat
- Equipment selection and ductwork planning that fit the floor plan
- Coordination with your build schedule, other trades and inspections
- Startup, testing and a walk-through before you open
Preventative Maintenance for Commercial Systems
Regular maintenance keeps commercial equipment running efficiently and cuts down on emergency calls. Our maintenance visits include:
- Filter changes on a schedule that matches your space
- Cleaning and inspecting coils, burners and blowers on rooftop units and indoor equipment
- Checking refrigerant, electrical connections and controls
- Testing safety controls and combustion on heating equipment
- Notes on equipment condition so you can plan for replacements
Ask about our maintenance plans for your business.
What Affects the Cost of Commercial HVAC Work
Every commercial space is different, so we quote after we’ve seen your equipment and building. The main cost factors are:
- Equipment size and number of units or zones
- Equipment type and efficiency
- Access, such as roofs, ceilings or tight mechanical rooms
- Ductwork condition and layout
- Code and permit requirements for commercial work
- Scheduling, including after-hours work to avoid disrupting your business
Why Businesses Choose Tri-State Heating and Cooling
- 22+ years of HVAC experience from owner AJ
- 24/7 emergency response for no-heat and no-cool calls
- Honest recommendations: clear options before any work starts
- Heating, cooling, boilers, water heaters and generators from one local contractor
- Family-owned: you talk to the people doing the work
- Customers who mention getting through build-outs and inspections smoothly
Commercial HVAC FAQs
Do you service commercial HVAC systems?
Yes. We repair, install and maintain rooftop units, furnaces, air conditioners and boilers for shops, offices, salons and other small and mid-size businesses.
Do you offer 24/7 emergency commercial HVAC service?
Yes. We answer commercial no-heat and no-cool calls 24/7, including nights, weekends and holidays.
Can you help with a build-out or renovation?
Yes. We work with owners, architects and general contractors to size, install and start up heating and cooling for new and renovated spaces.
Do you offer maintenance for commercial equipment?
Yes. We schedule maintenance visits that fit your business hours and keep notes on equipment condition so you can plan ahead.
Do you work on commercial boilers?
Yes. We repair, maintain and replace boilers for commercial buildings as well as homes.
Can you work after hours?
Yes. When a repair or installation would disrupt your customers or staff, we’ll work with you on timing.
