AC Marriott Bridge Park

I can just ‘jump’ into a room from the interface and 75 percent of the time I can fix the issue right in the Diamond Controls program. This is much more convenient rather than having to bug the guest, go to their room and start pulling equipment apart.

When Crawford Hoying, LLC and Brackett Builders, a local real estate developer and general contractor, respectively, decided to open a hotel in Dublin, Ohio, they had two main goals: create an energy-efficient hotel with a luxurious, sophisticated atmosphere. After consulting with Mike Machemehl, commercial sales manager, Mitsubishi Electric Trane HVAC US LLC, Crawford Hoying was sold on the efficiency, system quietness and rebate eligibility of Mitsubishi Electric’s CITY MULTI® Water-Source Variable Refrigerant Flow (VRF) technology. Download the PDF to read more. You’ll hear from the hotel’s general manager, facilities manager and Mike Machemehl who helped specify the equipment.

AC Marriott Bridge Park

Project Location: Dublin, Ohio Completion Date: September 2017

Project Team

  • Owner/Developer/Architect: Crawford Hoying, Dublin, Ohio
  • Management Group: Shaner Hotel Group, Dublin, Ohio
  • HVAC Engineer: Prater Engineering Associates, Dublin, Ohio
  • Distributor: Allied Supply Company, Dayton, Ohio
  • HVAC Contractor: Four Star Mechanical, Hamilton, Ohio

Mitsubishi Electric Equipment Installed

  • (183) PAC Simple MA Controllers
  • (3) MA Remote Controllers
  • (4) EW-50A System Remote Controllers
  • (16) PQRY WR2 Series Outdoor Units
  • (12) Sub BC Controllers
  • (4) Main BC Controllers
  • (156) PVFY Multi-position Indoor Units
  • (27) PEFY Ceiling Concealed Indoor Units
  • (3) PWFY Air to Water Booster Units


Product Category
VRF Zoning Systems
Hotel/Motel/Bed & Breakfast
Completion Date
September, 2017
Case Study Type
For Professionals
Text Box Type
energy recovery systems/lossnay
energy savings/rebates/efficiency
new construction
simultaneous cooing & heating

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