Project Description

PROJECT: Barre Street Apartments, Montpelier VT
Owner & Developer: Downstreet Housing & Community Development
Architect: Scott + Partners
General Contractor: DEW Corp

2 buildings, 20 apartments, 9,782 sq. ft.
Built about 1900.
Oil boiler with domestic hot water tank in each building,
solar hot water on one building,
using 5,570 gallons (heat & hot water) total

3E Thermal coordinated efficiency services with:
Capstone Weatherization
Efficiency Vermont

Upgrade one boiler. Add Solar DHW to other building.
Fully airseal & insulate Attics, Walls, and Foundation walls.
Improve ventilation. Replace windows.

SAVINGS
FUEL COSTS: 45%
ENERGY USE: 47%
Air Leakage: 67%

POST-RETROFIT ENERGY USE METRICS (heat & hot water)
4.8 BTU/SF/HDD
42.1 kBTU/SF
$52 per Unit per Month
or 12.3 gallons oil per unit per month equivalent