Certified Projects Database
No. |
1722 |
Project |
159 Allston Street |
Status |
Pre-certified |
Lead CPHC |
Ian Johnson
|
Builder |
KBS & Nauset |
Location |
Cambridge, MA |
QA/QC Rater |
Michael Browne |
Architecture Planning |
|
Mechanical Systems Designer |
|
Constr. Type |
Timber |
Bldg. Function |
Multifamily |
Floor Area |
3689 |
Project Type |
New Construction |
HERS Index |
|
LEED Rating |
|
Energy Star Rating |
|
Heating Degree Days |
|
Cooling Degree Days |
|
Units |
3 |
Certification Type |
PHIUS+2018
|
Certification Date |
|
Exterior Wall |
Split wall timber frame construction, 2x10s with blown in cellulose (R-21) with Zip-R sheathing system installed at the exterior (R-12) |
Floor |
Floor above unconditioned basement R-30 Batt Insulation |
Roof |
11-1/4 open web floor joists filled with R-40 fiberglass insulation. Exterior Insulation is 5" continuous XPS insulation on the roof (R-30) with additional layers of tapered insulation above that. |
Window Frame |
Kohltech |
Window Glazing |
Kohltech |
Entrance Door |
TBD |
Ventilation |
Zehnder ERVs 1 per unit. |
Heating System |
Mini-Split heat pumps |
Submitter |
Ian Johnson |
Air-tightness |
0.06 cfm/sf (targeted) |
Cooling System |
|
Additional Consultants |
|
Additional Notes |
|