159 Allston Street
No. 1722
Pre-certified
Ian Johnson
| 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 | |||||
