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A constant airflow regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels

A constant airflow regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels
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A constant airflow regulator is fitted into the neck of the supply duct to control air flow to deliver the design airflow regardless of pressure variations

A constant airflow regulator is fitted into the neck of the supply duct to control air flow to deliver the design airflow regardless of pressure variations
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A detergent port on a steel boiler

A detergent port on a steel boiler
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A ducted central return brings air from central return registers back to the air handler through insulated, air-sealed ducts

A ducted central return brings air from central return registers back to the air handler through insulated, air-sealed ducts
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A home is tested at two points for enclosure air leakage

A home is tested at two points for enclosure air leakage
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A main vent is installed on the side of a drip leg

A main vent is installed on the side of a drip leg
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A riser vent is installed on the stub-out below the hand valve

A riser vent is installed on the stub-out below the hand valve
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A tree of main vents is installed on top of drip piping

A tree of main vents is installed on top of drip piping
Presentation:

Adding Automated Shading to the High Performance Toolkit: HVAC, Health & Wellness, and High Tech

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An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output

An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output
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An air vent mounted low on the radiator will allow more steam to enter the radiator before it shuts

An air vent mounted low on the radiator will allow more steam to enter the radiator before it shuts
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An anode bar (upper grey bar) is installed in a steel boiler

An anode bar (upper grey bar) is installed in a steel boiler
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An energy monitoring system helps the homeowners track energy usage and solar power production.

An energy monitoring system helps the homeowners track energy usage and solar power production.
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An NFRC glazing system energy performance label will report U-factor, solar heat gain coefficient, visible transmittance, and air leakage; if the window is ENERGY certified, the ENERGY STAR label will be located next to the NFRC label

An NFRC glazing system energy performance label will report U-factor, solar heat gain coefficient, visible transmittance, and air leakage; if the window is ENERGY certified, the ENERGY STAR label will be located next to the NFRC label
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Anode bars can protect boiler steel without the bad effects of chemical water treatment

Anode bars can protect boiler steel without the bad effects of chemical water treatment
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Architectural shading can include large eaves, a porch roof, a well-designed pergola, or other building elements

Architectural shading can include large eaves, a porch roof, a well-designed pergola, or other building elements
Presentation:

ASES March Webinar: Uncoupling Solar Light and Heat in Passive Solar Design

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Awnings, overhangs, and porches shield windows and doors from sun, rain, and snow in this sunny mountain locale.

Awnings, overhangs, and porches shield windows and doors from sun, rain, and snow in this sunny mountain locale.
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
Video:

BrHEAThe Instruction Video

Case Study:

Building America Case Study: Standard- Versus High-Velocity Air Distribution in High-Performance Townhomes

Case Study:

Building America Top Innovations 2014: ASHRAE Standard 62.2. Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

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Building Science Corporation used convection to help cool this structural insulated panel (SIP) cottage in Georgia.

Building Science Corporation used convection to help cool this structural insulated panel (SIP) cottage in Georgia.