ghg lifecycle emissions from homes of various types

	A	B	C	D	E	F	G	H	I
1
2		detached 1 unit medium	attached 4 unit medium	detached x-small	attached 4 unit x-small	attached 3 unit x-small	attached 2 unit x-small	detached large	detached small
3	built sqft	2262	2262	1149	1000	1150	1500	3424	1633
4	heating cost	280000	184000	151000	86361	107968	163335	394600	230700
5	heating/sqft	124	81	131	86	94	109	115	141
6	exterior wall ratio	2	0.5	2	0.5	0.667	1	2	2
7	total kg co2e	684000	583000	435000	370361	391968	447335	941200	563000
8					258557	129095	-24669	40331
9	# on Plex Block				4	3	2		15
10	Plex Block emissions from units of this type				1481443	1175905	894669		8445000
11	block emissions total	11997017
12	block emissions per HH	499876
13
14	# on McMansion Block							3	15
15	McMansion Block emissions							2823600	8445000
16	block emissions total	11268600
17	block emissions per HH	626033
18
19	Plex Block as share of McMansion Block	80%
20
21
22
23		(average ~1149 sqft)	(1633 sqft)	(3424 sqft)
24		New plex homes (1149 sqft average)	Small new detached homes (1633 sqft)	Big new detached homes (3424 sqft)
25	Materials	49000	61690	98147
26	Construction, maintenance & demolition	12000	15210	29650
27	Energy use during occupancy	293338	486100	804100
28
29	utility savings from shared walls (net of size adjustment)	-40331	0	0
30	total	314006	563000	931897
31
32
33		McMansion Block	Plex Block
34	Materials	67766	56931
35	Construction, maintenance & demolition	17617	14006
36	Energy use during occupancy	539100	413814
37
38	total	624483	484752
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