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Image:

See the printing on the cardboard frame of the air filter for the filter dimensions and the arrow indicating airflow direction; the arrow should point into the duct.

See the printing on the cardboard frame of the air filter for the filter dimensions and the arrow indicating airflow direction; the arrow should point into the duct.
Image:

Separate exhaust fans can share a common exhaust if each exhaust fan is equipped with a back-draft damper to prevent cross contamination

Separate exhaust fans can share a common exhaust if each exhaust fan is equipped with a back-draft damper to prevent cross contamination
Image:

Seperate dwellings with their own seperate exhaust terminations

Seperate dwellings with their own seperate exhaust terminations
Case Study:

Show Home Targets Energy Efficiency in Hot-Humid Climates

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Simplified schematic of a one-pipe steam system showing the main and risers with fast vents and the radiators with slow vents

Simplified schematic of a one-pipe steam system showing the main and risers with fast vents and the radiators with slow vents
Image:

Size the filter box for the appropriate filter

Size the filter box for the appropriate filter
Image:

Small, battery-powered evaporative coolers can be appropriate for personal cooling in arid climates (only)

Small, battery-powered evaporative coolers can be appropriate for personal cooling in arid climates (only)
Presentation:

Smart Home Energy Management for Ductless Mini-Splits

Image:

Some radiators are behind covers so the cover must be removed to identify the air vent

Some radiators are behind covers so the cover must be removed to identify the air vent
Image:

Sone rating is 3.0 for this intermittent exhaust fan

Sone rating is 3.0 for this intermittent exhaust fan
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Sone rating is greater than 1 on a continuous exhaust fan

Sone rating is greater than 1 on a continuous exhaust fan
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Sone rating is greater than 3.0

Sone rating is greater than 3.0
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Sone rating is less than or equal to 1 on a continuous exhaust fan

Sone rating is less than or equal to 1 on a continuous exhaust fan
Image:

Spray foam insulates and air seals the underside of the attic roof and walls.

Spray foam insulates and air seals the underside of the attic roof and walls.
Image:

Straps are spaced too far apart causing the straps to compress the duct under its own weight

Straps are spaced too far apart causing the straps to compress the duct under its own weight
Image:

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

Supply-only ventilation with a fresh air intake ducted to the return side of a horizontal air handler unit located in the attic
Image:

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
Video:

Support at Intervals for Flex Ducts (1)

Case Study:

Suwanee River Administration Building

Image:

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: Advanced Controls Improve Performance of Combination Space- and Water-Heating Systems

Case Study:

Technology Solutions Case Study: Air-To-Water Heat Pumps with Radiant Delivery in Low Load Homes, Tucson, Arizona and Chico, California

Case Study:

Technology Solutions Case Study: Boiler Control Replacement for Hydronically Heated Multifamily Buildings

Case Study:

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