Project #6

Ottawa Civic Hospital, Ottawa, ON

1991

• CHR System installed for multiple Boiler Exhausts to replace main function of 140 ft. brick stack
• CHR System 500 USgpm Hot Water (HW) 6” CPVC Piping Hydronic District Heating Loop installed to supply heating to AHU’s in Penthouse of Heart Institute Research Building (“HIRC”)
• Peak heat recovery rate of 12.5 million Btu’s hour at peak Boilers plant steam output rate of 60,000 LBSteam/H @125 psig
• Reduction of boiler fuel consumption by 16% (Oil) and 20% (NG)
• Extra ($)O&M Saving from Reduced Maintenance Costs for Old Brick Chimney [RE: Stack Lining and Bricks..etc..]
• Annual savings of $115,000 (1991); however, today valued at $290,000 per year
• Financial Payback was less than 4 years based on 1991 dollars
• Over 25% reduction of CO2
• Up to 80% reduction of air pollution and visible plume