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Trane ComfortSite is an extranet site designed to save you time. With your secure login, you can:

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Trane Connect

This is the login for Trane® Connect™ and other Trane® commercial applications. Trane® Connect™ is our secure, cloud-based customer portal to access your building systems to remotely monitor and manage building systems, and conduct routine maintenance.

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West Michigan Trane

Commercial Service & Sales

5030 Corporate Exchange Boulevard S.E.
Grand Rapids, Michigan 49512
Get Directions

(616) 971-1400 (616) 971-1400

Office Hours

Monday - Friday

7:30 AM - 4:30 PM 

Armstrong Ceilings

Radiant ceiling systems


Custom air handler

Bousquet Technologies

Custom air handling, make-up air & heat recovery

Broad USA

Absorption chillers and negative pressure isolation rooms


Heat pumps

CDI Curbs

Curbs, adaptor curbs, isolation curbs & rooftop screening

Change Air

Vertical unit ventilators


Rooftop screens, gates and enclosures


Energy recovery

Dynamic Air Quality Solutions

Innovative filtration and air purification solutions


HEPA air purifier - permanent, in-room ceiling mounted True HEPA air cleaner that aligns with ASHRAE and CDC recommendations


Specialty process chillers:  air-cooled, water-cooled, split system and explosion-proof chillers

Genesis Air

Air cleaning system combining technologies to control particles, gases and biological contaminants


Custom air handlers    


Custom HVAC units, HVAC coatings, HVAC modifications and air turnover

Multi Aqua

Air-cooled water chillers, ductless split systems for commercial and residential air conditioning and heating needs


Water-cooled chillers


Adiabatic cooling systems

Oilon (US)

High temperature and high capacity heat recovery/heat pump chillers    


Pool room, natatorium units


Fixed-plate energy recovery units


Packaged pumping systems


Custom modular central plants

Thermax Inc.

Absorption chillers


Custom roof curb manufacturer including roof curbs, insulated roof curbs and vibration isolation curbs 

United Cool Air

Precision cooling systems/modular self-contained