Project
786 Belmont Public Library
Assembly
Belmont, MA | 2026
- 40K GSF
- 2 Companies
- 2 Professionals
About
The Library Building Committee worked closely with the Library Project design team, the Belmont Energy Commission, and environmentally focused town groups, to ensure that the new library is working towards Belmont’s energy goals. Exciting sustainability features of the new library include:
- A south facing solar photovoltaic (PV) array
- Rooftop mechanicals with a generator
- All-electric, net-zero-ready systems
- A highly insulated building envelope
- Glazing/glass under 40%
- Daylighting – window and skylight placement to maximize effective internal lighting
- A green roof opportunity
- Stormwater management systems
- A rain garden filtration system
- Native vegetation
- Car charging stations
Project Owner
Town of Belmont
Is the project Net Zero Energy or Net Zero Energy Ready?
Net Zero (Targeting)
Project Size in GSF
40K
Category of height
Low-Rise
How is the building all-electric for heating?
Air-source Heat Pump
Is the service hot water all-electric?
Yes
On-site renewable energy
100%
Is the owner purchasing off-site renewable energy to offset all electricity consumption?
No
The construction cost difference from "conventional" to being net zero "ready" (including incentives) for this building is
>-1% to 1%
Site EUI Energy Use Intensity is the amount of energy a project uses per square foot over the course of a year. Site EUI = Annual Energy Use (kBtus) / Building(s) Area (ft²) / One Year (yr)
23.0 kBtu/sf/year
Net Site EUI
0.0 kBtu/sf/year
What is the climate zone for this project?
5A Cool Humid
