Boiler Change Out Case Study
“High Efficiency is our Business”Scope of work:
Upgrade 96 unit apartment complex consisting of 4 buildings constructed in 1971 to most efficient heating system while providing domestic hot water at a safe and consistent temperature with the most cost effective and affordable cost possible.
Property owner:
Colorado Coalition for the Homeless
2111 Champa St.
Denver, CO 80205
Location:
Forest Manor Apartments
1400 to 1430 Moline St
Aurora CO 80002
Existing system:
- Ajax 850,000 BTUH tube boiler efficiency 67%.
- Domestic hot water production system a #14 Everhot with a Watts mechanical mixing valve.
- No hot water storage tank and three handle shower non pressure balanced fixtures.
Solution: Separate the system with one boiler for heating and one for domestic hot water, with storage.
Equipment selection:
- Install 1 Munchkin heating boiler at 92% efficient.
- Install 1 munchkin domestic hot water boiler at 96% efficient.
- Use wet rotor Taco commercial pumps.
Overall consumption reduced 65%
Project cost: $148,750.00 Pay back: 5 years and 2 months
VIEW OF MUNCHKIN BOILERS
WITH 120 GALLON STORAGE TANK
NATURAL GAS INCREASED 12% IN JANUARY 2008. IF THE FUEL COST CONTINUES TO ESCALATE AS IS EXPECTED, THE PAY BACK PERIOD COULD BE AS LITTLE AS 3.7 MONTHS TO 4 YEARS. Calculations must be based on each complex's unique circumstances, location, heating system, and operational characteristics.
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