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This simple decision tree can help homeowners and contractors make decisions about re-siding a home and upgrading windows

This simple decision tree can help homeowners and contractors make decisions about re-siding a home and upgrading windows
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Variable-speed pool pumps can cut energy use by 50% to 90% compared to standard single-speed pumps

Variable-speed pool pumps can cut energy use by 50% to 90% compared to standard single-speed pumps
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Variable-speed pump with low head loss filter and piping layout

Variable-speed pump with low head loss filter and piping layout
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Vented crawlspace cripple wall has seismic retrofits – plywood is added on interior that fastens to extra blocking added at sill plate and connected to foundation with new anchor bolts

Vented crawlspace cripple wall has seismic retrofits – plywood is added on interior that fastens to extra blocking added at sill plate and connected to foundation with new anchor bolts
Case Study:

Veridian Homes: Cold Climate Region 40+% Energy Savings

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Wind-Damage Reduction as a Function of Retrofit Level

Wind-Damage Reduction as a Function of Retrofit Level
CAD File:

Window head at window frame wall

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Window head at window frame wall
CAD File:

Window head at wood frame wall

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Window head at wood frame wall
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
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With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit

With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit
Case Study:

WPPI GreenMax-Chambers Residence: Near Zero Energy Monitoring Summary