GBA identified $4.8 million in energy-saving capital projects for a 20-year-old property. These represented $537,000 in annual savings, with a capital cost of $2 million and resulting payback of slightly above 3.7 years.
The energy projects led to $750,000 in avoided capital expenditures. Projected savings exceeded a third of the hotel’s total energy bill.
Subsequent phased projects designed by GBA according to the study recommendations included:
- Conversion of system water to variable pumping.
- Replacement of steam boilers
- Adding variable-speed drives to multiple air-handling units.
- Energy management system upgrade.
- Reheat or VAV boxes for five meeting rooms.
- Adding fan coils for supplemental cooling.
- Replacing heat pumps and adding control valves.
- Supplemental cooling for electrical closets.