Industrial Unit Heaters
Commercial & Industrial

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Heating Large Commercial
& Industrial Spaces
Flexible Heating Without Extensive Ductwork
One of the primary advantages of an industrial unit heater is its ability to deliver heat directly into the space.
This can make unit heaters particularly useful in facilities where a traditional ducted heating system may be impractical or unnecessary.
Multiple units can also be strategically located throughout a building to provide heating where it is needed most.
For facilities with high ceilings, large doors or frequently changing occupancy patterns, proper heater selection and placement can help maintain more consistent working temperatures.
Separated Combustion Unit Heaters
A Practical Option for Challenging Environments
In some commercial and industrial applications, the quality of the surrounding indoor air makes combustion-air management especially important.
Separated combustion unit heaters draw combustion air from outside the building rather than using air from inside the occupied space.
This type of configuration can be beneficial in facilities where dust, chemicals, fumes or other airborne contaminants may be present.
Depending on the equipment selected, unit heaters may be configured for separated combustion or power-vented operation to accommodate different building and installation requirements.
Need a Better Heating Solution?
Put Reliable Heat Where You Need It
Whether you're replacing an existing heater, adding heat to a new area or designing a complete commercial or industrial heating system, MMS can help you select the right unit heater for your facility.
Let's discuss your building, heating requirements and operating conditions.
Commercial & Industrial Unit Heaters
Dependable Heating for Warehouses, Garages & Industrial Facilities
Michigan Mechanical Systems provides commercial and industrial unit heaters designed to deliver reliable, efficient heat for warehouses, manufacturing plants, garages, service facilities and other large spaces.
Compact and versatile, unit heaters provide an effective way to heat specific areas or entire facilities without requiring an extensive duct distribution system.
Whether you're replacing aging equipment, heating an addition or designing a new facility, our team can help identify the right unit heater for your application.
Gas-Fired Unit Heaters
Powerful Heat in a Compact Package
Gas-fired unit heaters are a practical heating solution for commercial and industrial spaces requiring fast, dependable heat.
Typically suspended from the ceiling or mounted overhead, these systems use a heat exchanger and fan to distribute warm air throughout the occupied space.
Unit heaters can be well suited for:
- Warehouses
- Manufacturing facilities
- Distribution centers
- Automotive service garages
- Fleet maintenance buildings
- Workshops
- Mechanical rooms
- Equipment storage facilities
- Aircraft hangars
- Agricultural buildings
- Commercial service areas
Separated Combustion Unit Heaters
A Practical Option for Challenging Environments
In some commercial and industrial applications, the quality of the surrounding indoor air makes combustion-air management especially important.
Separated combustion unit heaters draw combustion air from outside the building rather than using air from inside the occupied space.
This type of configuration can be beneficial in facilities where dust, chemicals, fumes or other airborne contaminants may be present.
Depending on the equipment selected, unit heaters may be configured for separated combustion or power-vented operation to accommodate different building and installation requirements.
Unit Heater Selection Matters
Match Heating Capacity to the Facility
Selecting a unit heater involves more than simply choosing a BTU rating.
A properly sized system should consider the overall building construction, heat loss and operating conditions.
Important factors may include:
- Building square footage
- Ceiling height
- Insulation levels
- Exterior wall and roof construction
- Number and size of overhead doors
- Outdoor design temperatures
- Desired indoor temperature
- Available fuel source
- Venting requirements
- Mounting height
- Equipment clearances
- Air distribution patterns
Michigan Mechanical Systems can help evaluate these factors and identify an industrial heating solution appropriate for your building and application.
Unit Heaters for New Construction & Replacement Projects
Upgrade Aging Equipment or Heat a New Space
Unit heaters can be incorporated into new building designs or used to replace outdated heating equipment in existing facilities.

For replacement projects, newer equipment may provide improved controls, more efficient operation and greater installation flexibility compared with older systems.
For new construction, unit heater placement can be coordinated with the building layout, overhead doors, lighting, electrical equipment and other mechanical systems to help provide more effective heat distribution.
Part of a Complete Industrial Heating Solution
Bringing Heating, Air Movement & Ventilation Together
Michigan Mechanical Systems provides more than individual pieces of heating equipment.
Our commercial and industrial mechanical systems experience allows us to look at how unit heaters interact with ventilation, air movement and other HVAC systems throughout the facility.
Unit heaters can be coordinated with HVLS fans, gas-fired infrared heating systems, make-up air equipment, exhaust and supply fans, louvers and dampers and other mechanical equipment to create a more complete approach to facility comfort.
Whether you're heating a small service area or a large industrial building, our team can help determine the right combination of equipment for your application.
Whether you're planning new construction, expanding an existing facility or replacing aging equipment, our team can help develop a system appropriate for your building and application.
Reliable Heat. Designed for Your Facility.
Whether you’re replacing aging equipment, heating a new addition or planning a complete industrial heating system, MMS can help you select the right unit heater for your space, operating conditions and performance requirements.
Let’s discuss your heating needs and find the right solution for your facility.





