Solutions by Market  >  Retrofit & Renovation
Retrofit & Renovation
 

Chicago Board of Trade – Chicago, IL

HUNTAIR® – Retrofit Using FANWALL TECHNOLOGY®

  • Replacement of two fan systems providing 470,000 cfm to floors 10 to 23 of this historic building.
  • Modular fan array system using FANWALL TECHNOLOGY allowed contractors bring 72 fan cells up to the 23rd floor using a dolly. The cells were moved outside onto the sub-roof where they were hoisted onto a scaffolding catwalk and moved into the mechanical room on the 24th floor through a temporary hole in the wall.
  • Retrofit completed over weekends and holidays with little or no interruption to normal operations.
  • Tenants and building management now benefit from a much quieter system, redundancy to avoid downtime, and VAV control on each floor to improve overall system performance.
  • Read our case study (PDF).

 
 
 

Schermerhorn Symphony Center – Nashville, TN

HUNTAIR® Knock-down Air Handlers with FANWALL TECHNOLOGY®

  • Custom air handlers are damaged beyond repair in a May 2010 flood and a like-for-like replacement was not a feasible option.
  • Knock-down air handlers were brought into the space in individual pieces through an existing outdoor air opening 20 feet below grade.
  • Space savings from FANWALL TECHNOLOGY allowed air handlers to be reconfigured to sit on a platform 6 feet above the basement floor to help avoid a recurrence of flood damage.
  • Acoustic performance of the HUNTAIR air handlers exceeds that of the extremely quiet air handlers that were replaced.
  • Facility re-opened in time for a New Year’s Eve performance by world renowned violin virtuoso Itzhak Perlman.
  • Read our case study (PDF).

 

Transamerica Pyramid – San Francisco, CA

HUNTAIR® – Retrofit Using FANWALL TECHNOLOGY®

  • Replacement of two air handler fans (101,000 cfm each) serving floors 1 to 18 that were beyond their service life and required continual maintenance.
  • Goals met with replacement included using the same space, minimum disruption to tenants, lower maintenance, a quieter system, better efficiency and redundancy to avoid downtime.
  • Modular fan system using FANWALL TECHNOLOGY allowed additional system changes to better improve system performance.
  • Energy consumption savings of 80,000 kWh resulted in an $11,000 rebate from Pacific Gas & Electric.
  • Read our case study (PDF)
 
 
 

San Francisco Hilton, San Francisco, CA

Air Handler retrofit using FANWALL TECHNOLOGY®

  • Aging 47,800 cfm air handler serving four ballroom foyers needed to be replaced.
  • Proposed solution called for four air handlers (one per zone), but access and budget concerns required a better solution.
  • FANWALL system provided the ideal solution by allowing the existing fan system to be replaced in place along with coils, dampers and other components.
  • The project was completed over 8 days without interruption of hotel guests or normal operations.  The installation of the FANWALL cubes was completed in approximately 2 hours.
  • Hotel operators now benefit from a much quieter system, redundancy to avoid downtime and energy savings that resulted in a $13,000 rebate from Pacific Gas & Electric.
  • Read our case study (PDF) or view the video version.
 

 

Battle Creek Central High School - Battle Creek, MI

Venmar CES™ EnergyPack® Air Handlers with Ground Source Heat Pumps and Enthalpy Wheels/Plate Heat Exchangers

  • A 250,000 sq. ft. high school renovation with a 160,800 sq. ft. expansion.
  • Involved 14 Venmar CES EnergyPack air handlers with integrated ground source heat pumps — some with enthalpy wheels and some with plate heat exchangers.
  • Air handler sizes ranged from 3,800 to 42,500 cfm. Largest AHU provided dehumidification in pool area and incorporated an aluminum air-to-air plate heat exchanger with AHRI Certified™ performance.
  • Heat pumps utilize ground water as the heat sink and provide the school with simultaneous heating and cooling throughout the year.
  • View our case study (PDF)

 

Oregon Health & Sciences University – Portland, OR

HUNTAIR® Custom Air Handlers with FANWALL TECHNOLOGY®

  • A world renowned teaching hospital and research center located on two campuses in Portland, Oregon.
  • Across five buildings, FANWALL® systems totaling 176 active fans in 14 new units and two retrofit units provide almost 1 million CFM.
Oregon Health & Sciences University – Portland, OR

Sutter Roseville Medical Center, Roseville, CA

HUNTAIR Air Handlers with FANWALL TECHNOLOGY

  • HUNTAIR retrofitted existing vane aexial system that supported 90% of the hospital with a FANWALL system that now supplies 100% of the CFM requirement for the hospital.
  • Retrofit was accomplished without shutting down a single fan system and without costly demolition.
  • Retrofit resulted in a 112 amp reduction and approximately $75,000 a year in energy savings.
  • Read our case study (PDF) 
Sutter Roseville Medical Center, Roseville, CA
Sutter Roseville Medical Center, Roseville, CA Sutter Roseville Medical Center, Roseville, CA

Major Healthcare Educator, Stony Brook, NY

Ventrol® Custom Air Handlers with FANWALL TECHNOLOGY

  • 350,000 ft2 office building needed upgrade to six aging air handling systems.
  • Replacement air handlers or fans were too large to fit inside the building.
  • Solution: Knock-down air handlers with a FANWALL system – 9 FANWALL cubes in the supply unit (55,000 CFM) and 4 cubes in the return unit (33,000 cfm) at 5” TSP.
  • System delivers lower acoustic levels, increased airflows, and improved airflow through coil and filters.
  • Read our case study (PDF)
Major Healthcare Educator, Stony Brook, NY
Major Healthcare Educator, Stony Brook, NY Major Healthcare Educator, Stony Brook, NY

St. Lukes Northland Hospital, Kansas City, MO

Temtrol® Air Handlers

  • During the past 25 years, Temtrol custom air handlers have been used for nearly all of St. Lukes' extensive expansion and renovation efforts.
  • Limited accessibility to existing units does not allow a fully assembled air handler be dropped into place when a replacement is required.
  • De-mountable welded frame construction provides a high quality, modular approach for replacement units.
Oregon Health & Sciences University – Portland, OR
Oregon Health & Sciences University – Portland, OR

Commercial Office Building, Marlborough, MA

Ventrol Custom Air Handlers with FANWALL TECHNOLOGY

  • 350,000 ft2 office building needed upgrade to six aging air handling systems.
  • Replacement air handlers or fans were too large to fit inside the building.
  • Solution: Knock-down air handlers with a FANWALL system – 9 FANWALL cubes in the supply unit (55,000 CFM) and 4 cubes in the return unit (33,000 cfm) at 5” TSP.
  • System delivers lower acoustic levels, increased airflows, and improved airflow through coil and filters.
  • Read our case study (PDF)
Commercial Office Building, Marlborough, MA Commercial Office Building, Marlborough, MA