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Intro By Steve Easley
This video introduces the building science principles related to residential energy systems. This is not just about heat loss and heat gain. Fundamentally, it is intended to provide you with the background knowledge needed to understand the interaction of heat and moisture, and provides some fundamental tools for evaluating moisture problems, as well as energy losses in homes. In particular, it's important to pay attention to the home's orientation with respect to the sun, and to the type of glazing that gets installed.
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Insulation: How It Works
- What is Thermal Bridging?
- Heat loss calculations
- Condensation on studs and drywall
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Overview of Rigid Foam Insulation
Doug Bibee, Residential Technical Specialist, Dow Building Materials, explains the benefits of using insulated foam sheathing in to increase energy efficiency and help prevent moisture/mold problems.
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Cellulose Insulation Overview
Cellulose insulation has many unique benefits when installed properly and to manufacturer's specifications. The following video segments give a look at this recyclable material and how it is installed in a home.
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Fiberglass Insulation: Walls
Steve and insulation expert Joe Arrigo go over the care must be taken to assure that fiberglass insulation is installed properly with no voids or gaps and in contact with all surfaces.
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Fiberglass Insulation: Attics
Here we see the methods for the high quality installation of fiberglass insulation in Attic spaces.
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Fiberglass Insulation: Floors
High quality installation of insulation procedures for raised floors and floors over garages.
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Fiberglass Insulation: Materials and Safety
Materials and safety considerations for high quality installation of insulation.
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Spray Foam Closed Cell Insulation: Installation & Codes
How you install closed cell spray foam in walls, attics, basements, etc.
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Spray Foam: Open Cell Insulation
Millions of tiny air pockets make foam insulation a very good insulation source. Take a look at how spray foam insulation works and the various methods for applying it correctly.
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Housewraps Overview
In this video we investigate where leaks can cause energy losses, how air barriers work and demonstrates why properly installed housewraps can help prevent this. Steve Easley goes over the reasons for, and the need to create, an air barrier and the benefits in terms of performance and energy efficiency.
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Installing Air Barriers
When properly installed, a housewrap can serve as both and effective air and serve as the home's weather resistive barrier. Steve Easley and product specialist Dean Whitehead go over the proper installation of a homewrap.
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Fenestration: Overview
Steve Easley gives us an overview of low-e glass and the effect it can have on a home's energy efficiency.
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Fenestration: Window Sizing
The area and orientation of windows in a home can have a huge impact on comfort and energy bills. Here the impacts of window area including energy consumption and HVAC sizing are examined.
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Window Performance
Today's housing market often demands greater window areas, and these greater areas can conflict with energy code compliance. Here we learn generally how today's high performance windows can satisfy both the need for more window area and performance for code compliance.
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HVAC Mechanicals
The heating, ventilation, and air conditioning (HVAC) systems in a house are perhaps the most important and misunderstood in the homebuilding process. Attention to HVAC location, design, sizing, location, and maintenance are covered in this section which is essential for HVAC professionals and builders alike.
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HVAC Zoning
Properly designing and installing a zoned HVAC distribution system can result in greater comfort, system efficiency and energy savings.
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PV Installation
Bill and Steve get into greater detail on the siting, sizing and installation of a solar PV system.
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Installing Flexible Radiant Barriers
In this video, we learn how to install one type of radiant barrier, drapeable or flexible radiant barrier.
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Blower Door Test
Steve Easley and HERS rater Scott Johnson shows how a properly performed blower door test can determine the level of air filtration into a house.
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Wind Power
This desert-dweller has installed and lived with a Wind Power system for a number of years, and shares her insight on these systems, their installation, maintenance and use.
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