121 Prospect

Project

121 Prospect

Residential: Affordable Multi Family

Somerville, MA | 2026

  • 26K GSF
  • 2 Companies
  • 2 Professionals

About

A sustainable, luxury condo complex in Somerville, MA.

Is the project Net Zero Energy or Net Zero Energy Ready?

Net Zero Ready

Project Size in GSF

26K

Category of height

Mid-Rise

Number of residential units

32

How is the building all-electric for heating?

Air-source Heat Pump

Is the service hot water all-electric?

Yes

What is the primary system type for domestic hot water?

Air-source heat pump

What other systems are used for hot water?

Electric resistance storage

On-site renewable energy

0%

Is the owner purchasing off-site renewable energy to offset all electricity consumption?

No

Certifications related to Energy / Carbon

PHIUS, ENERGY STAR, ZERH

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)

21.6 kBtu/sf/year

The EUI is

Modeled

What is the climate zone for this project?

5A Cool Humid

Websites for more information

Project Team

Energy / Sustainability Consulting
  • Mike Browne

    HERS® Rater, Phius Certified Rater, Phius Certified Verifier

    PHIUS Certified Verifier

    3.7M GSF

    36 Projects

    19 Years Experience

  • Vitor L. Goncalves

    CPHC®, LEED AP BD+C

    CPHC / Energy Modeler

    2M GSF

    21 Projects

    5 Years Experience