Energy Efficiency Projects
Learn how Greenwich Energy Solutions has helped building owners and managers realize energy efficiency and cost savings
Property 1
Residential building
Total square footage: 207,257 square feet
Project requirement: ASHRAE II energy audit
Total annual savings: $73,014
Combined cost of measures after incentives: $190,748
Payback period: 2.6 years
Net present value (10% discount rate): $323,550
- Boiler combustion efficiency tuning
- Low-flow fixtures (energy and water savings)
- Demand controlled ventilation
- Weatherstripping on all exterior doors
- Common area lighting
- Heating boiler: Installation of new modulation and lead/lag controls
- Advanced monitoring system
- Thermostatic controls in units
- Automatic damper to boiler room make-up air fan
- Conversion of elevator motor from DC to inverter
- Automatic damper to stairwell and elevator vents
Property 2
Residential building
Total square footage: 326,699 square feet
Project requirement: ASHRAE II Energy Audit
Total annual savings: $153,920
Total cost of measures: $546,423
Payback period: 3.6 years
Net present value (10% discount rate): $411,738
- Weatherstripping on all exterior doors
- Heating system zone valve in garage
- Low-flow fixtures (water and energy savings)
- Demand controlled ventilation (garage fan)
- Current transducer to activate laundry room fan
- Heating boiler: Installation of new modulation and lead/lag controls
- Exhaust fan (air flow regulator) on trash chute vent
- Boiler flue economizer
- Pipe and condensate tank insulation
- Heating boiler cutout control (night setback, warm weather shutdown)
- DHW boiler: Installation of separate condensing domestic hot water heating system for upper zone
- High-efficiency motors
- Automatic damper to stairwell and elevator vents
Property 3
Residential building
Total square footage: 544,244 square feet
Project requirement: ASHRAE II energy audit
Total annual savings: $114,475
Payback period: 4.7 years
Net present value (10% discount rate): $133,887
Available incentives: $12,665
- Trash chute fan
- DHW supply temperature control
- ENERGY STAR® clothes washers (energy savings)
- Weatherstripping on all exterior doors
- Low-flow fixtures (water and energy savings)
- Engage warm weather shut down of distribution pumps
- Heating and DHW distribution: Steam leaks and insulation
- Installation of timer on loading dock heating system
- Timer to fresh air fan for laundry room
Effortlessly achieve regulatory compliance and embrace a sustainable future
Discover the long-term benefits of our smart energy management strategies and energy-saving solutions for your tenants and your property.