End-Use Savings Shapes
Measure Summary: Existing From Release 1
Measure Name
Heat Pump Rooftop Unit (HP-RTU) With
Electric Resistance Backup
Rooftop Ventilator + HP Split System
Air to Water HP Boiler Retrofit With
Electric Backup
LED Lighting
Exterior Wall Insulation
Secondary Windows
Window Replacement
Window Film
Roof Insulation
Description
Replace gas and electric RTUs with HP-RTU.
Replace gas and electric RTUs with rooftop ventilator + HP split system in small commercial
buildings (<20,000 sq ft).
Replace gas boilers with heat pump boilers. Electric resistance boiler used for backup heat
source.
Upgrade all lighting to LED.
Add exterior wall insulation panels.
Add secondary windows.
Replace windows.
Add window film to windows.
Add roof insulation.
Included in Release 2 data set; not discussed in this presentation.
NREL 21View entire presentation