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No. 1770 Project 1599 Columbus Ave. Status Pre-certified
Lead CPHC Jeff Geisinger
Builder Location Boston, MA
QA/QC Rater Cody Wero Architecture Planning Utile Mechanical Systems Designer Petersen Engineering
Constr. Type Bldg. Function Multifamily Floor Area 66982
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days Cooling Degree Days
Units 65 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; 3" continuous mineral wool insulation; thermally broken facade supports (R-32.4 hr.ft2.F/Btu assembly)
Floor HFO-blown closed-cell spray foam on composite deck; spray applied cellulose finish (R-40 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 New Ecology (PHIUS Verifier)
Additional Notes

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