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No. 1771 Project 1005 Broadway Status Pre-certified
Lead CPHC Jeff Geisinger
Builder Haycon Location Chelsea, MA
QA/QC Rater Greg Downing Architecture Planning Utile Mechanical Systems Designer BLW Engineers
Constr. Type Bldg. Function Multifamily Floor Area 41531
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days Cooling Degree Days
Units 38 Certification Type PHIUS+Core Certification Date
Exterior Wall From interior to exterior: Interior finish; 2x6 wall with blown fiberglass in cavity; sheathing with vapor-open self-adhered weather resistive and air barrier; 2.5" continuous mineral wool insulation (R-31.3 hr.ft2.F/Btu assembly)
Floor From interior to exterior: Finish floor and sub-flooring; truss cavity; vapor-open self-adhered weather resistive and air barrier; ~12" mineral wool batts on suspended grid ceiling (R-49 hr.ft2.F/Btu assembly)
Roof Polyiso insulation on top of deck (R-60 hr.ft2.F/Btu assembly)
Window Frame Fixed and Tilt-turn uPVC windows
Window Glazing Triple glazing with low-e coating on #2 and #5 surfaces
Entrance Door Thermally broken aluminum storefront entrances
Ventilation Central ERV with 81% sensible recovery efficiency
Heating System Central VRF system
Submitter Jeff Geisinger
Air-tightness 0.06 cfm/sf (targeted)
Cooling System Same as heating
Additional Consultants Sustainable Comfort, Inc. (PHIUS Verifier)
Additional Notes

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