ghg lifecycle emissions from homes of various types
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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 largedetached small
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built sqft22622262114910001150150034241633
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heating cost28000018400015100086361107968163335394600230700
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heating/sqft124811318694109115141
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exterior wall ratio20.520.50.667122
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total kg co2e684000583000435000370361391968447335941200563000
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258557129095-2466940331
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# on Plex Block43215
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Plex Block emissions from units of this type148144311759058946698445000
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block emissions total11997017
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block emissions per HH499876
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# on McMansion Block315
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McMansion Block emissions28236008445000
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block emissions total11268600
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block emissions per HH626033
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Plex Block as share of McMansion Block80%
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(average ~1149 sqft)(1633 sqft)(3424 sqft)
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Plex homes (1149 sqft average)
Typical existing homes (1633 sqft)
Big new detached homes (3424 sqft)
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Materials490006169098147
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Construction, maintenance & demolition120001521029650
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Energy use during occupancy293338486100804100
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utility savings from shared walls (net of size adjustment)
-4033100
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total35433715210833750
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0
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Plex BlockMcMansion Block
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Materials5693167766
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Construction, maintenance & demolition1400617617
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Energy use during occupancy413814539100
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total484752624483
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