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Supply-only ventilation with a fresh air intake ducted to the return side of a vertical air handler unit located in the house

Supply-only ventilation with a fresh air intake ducted to the return side of a vertical air handler unit located in the house
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Table of tools and materials necessary for installing insulated vinyl siding.

Table of tools and materials necessary for installing insulated vinyl siding.
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Target Ventilation, Formula 4.1a from ASHRAE 62.2-2010

Target Ventilation, Formula 4.1a from ASHRAE 62.2-2010
Case Study:

Technology Solutions Case Study: Combustion Safety for Appliances Using Indoor Air

Case Study:

Technology Solutions Case Study: Combustion Safety Simplified Test Protocol

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Technology Solutions Case Study: Complete and Fully Aligned Air Barrier

Case Study:

Technology Solutions Case Study: Design Guidance for Passive Vents in New Construction, Multifamily Buildings

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Technology Solutions Case Study: Evaluation of Passive Vents in New-Construction Multifamily Buildings

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Technology Solutions Case Study: Field Performance of Inverter-Driven Heat Pumps in Cold Climates

Case Study:

Technology Solutions Case Study: Properly Sized and Located Return Air Inlets

Case Study:

Technology Solutions Case Study: Sealed Air-Return Plenum Retrofit

Case Study:

Technology Solutions Case Study: Sealed Crawl Space with Integrated Whole-House Ventilation in a Cold Climate

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Technology Solutions Case Study: Selecting Ventilation Systems for Existing Homes

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Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

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Technology Solutions Case Study: Ventilation System Effectiveness and Tested Indoor Air Quality Impacts

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Temporary dry floodproofing wall design concepts

Temporary dry floodproofing wall design concepts
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Test the thermostat fan, cool, and heat settings

Test the thermostat fan, cool, and heat settings
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Test with a moisture meter before installing building materials

Test with a moisture meter before installing building materials
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The “old” exhaust fan vent on the right was installed before or during the siding installation and is likely properly flashed- the “new” exhaust fan on the left was installed after the siding was installed and relies on caulking to keep water out

The “old” exhaust fan vent on the right was installed before or during the siding installation and is likely properly flashed- the “new” exhaust fan on the left was installed after the siding was installed and relies on caulking to keep water out
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The air filter slot on this air handler has no cover.

The air filter slot on this air handler has no cover.
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The air filter slot on this furnace is covered with a magnetic seal.

The air filter slot on this furnace is covered with a magnetic seal.
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The air intake or exhaust grilles in this second-story soffit will be very difficult to safely access to measure airflow

The air intake or exhaust grilles in this second-story soffit will be very difficult to safely access to measure airflow
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The board in the center of this photograph shows blue stain (not lumber mold), a discoloration of the wood caused by a fungus affecting the living tree, which did not harm the structural integrity of the wood.

The board in the center of this photograph shows blue stain (not lumber mold), a discoloration of the wood caused by a fungus affecting the living tree, which did not harm the structural integrity of the wood.
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The cool shingles on the right have been coated with a ceramic coating to reflect near-infrared radiation, resulting in a cooler roof as shown by these thermal images (red and yellow are hotter, green and blue are cooler).

The cool shingles on the right have been coated with a ceramic coating to reflect near infrared radiation, resulting in a cooler roof as shown by these thermal images (red and yellow are hotter, green and blue are cooler).