A PDF of the following chart with additional information is available here: 10 Charles St Home Statistics

Dimensions
Footprint		32’ x 26’
Conditioned Space		1500 ft2	The mudroom and pantry can be closed off
Conditioned Volume		21054 ft3
Number of Floors		2, slab on grade	There is a single third floor room.
Slab		6” Thick	Includes 1.25″ of stone flooring
Stem wall		6” Thick	8” Above grade		36” Below grade
Structure
Building Style		Saltbox
Walls		Double stud: 2×4, 2×4 connected by gussets	24” O.C.		Mixture of platform and balloon framing
Roof		Parallel chord trusses	Vented cathedral ceiling
Equipment		Make	Model		Notes
(1) Air Source Heat Pump		Mitsubishi	MSZ-FE12NA		12.5kBtu/hr at 5 dgr F SEER of 23
HRV		Venmar	EKO 1.5		80% sensible heat recovery
Drainback Solar Hot Water System		2 Panels: Sunearth Tank: HTP	Panels:EC-40 Tank: Contender		Tank: 80 Gallons with Electric backup
4.5 kW Photovoltaic Solar System		(18) American Choice 250W Panels, Enphase Microinverters	Microinverters: M215		Will provide more than 100% of home energy needs
Envelope
Infiltration		.54 ACH50
Walls		12.5” Dense pack Cellulose (4#/ft3)	~R-46
Cathedral Roof  north/south		21” / 26” Cellulose (2.5#/ft3)	~R-78 / R-96
Foundation Stem wall		6” XPS	R-30		2” exterior, 4” interior
Foundation Slab		4” XPS	R-20
Windows (Mix of Andersen, Marvin, Marvin Integrity, & Serious. All double pane except Serious. Mostly double hung.)
U-Value Range		.17-.32
Average U-Value		.28
Areas: Exterior Walls, Windows, and Doors	Wall (S.F.) (no windows or doors)		Glass (S.F.)	Doors (S.F.)	Percent of wall that is glass
Overall	2136		277	34	11.3
South	453		149		24.8
East	639.5		53	17	7.5
West	632		61	17	8.6
North	411.5		16.5		3.9
Areas: Roof planes	(S.F)
North	707.5
South	340