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2021 IECC Climate Zone 5: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement
2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement (with notes)
2021 IECC Climate Zone 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
2021 IECC Climate Zone 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement (with notes)
A 1- and ½-story home with a room located in the attic and the thermal boundary located at either a) the walls and ceiling of the attic room with small vented attic spaces or b) the roof line for an unvented attic
A 5,000- 6,000 Btu/hr air conditioner drawing about 500 watts can be installed in one window of a designated cool room (it is important that the installation is insulated and well-sealed
A battery storage system can provide reliable back-up power during a grid power outage
A battery storage system's capacity is shown using three different usage approaches.
A blower door is installed in a doorway and is ready for testing
A boiler system can be set up with primary and secondary loops to supply hot water for multiple uses
A braced water heater is attached to a raised platform that is anchored to the floor
A builder, energy efficiency consultant, and crew supervisor inspect a spray foam installation.
A Category I induced draft boiler uses an induced draft fan to pull air through the combustion chamber and to the flue
A caulk gun is a simple but power tool for sealing narrow cracks between framing and around penetrations.
A central fan-integrated supply system uses a fresh air intake ducted to the home's central furnace or air handler unit to supply fresh air throughout the home
A coated OSB product with taped seams covers the walls to serve as both sheathing and weather-resistant barrier.
A combination of brackets and self-locking drawers. Drawer closures should be used to protect the home during seismic events.
A concrete slab floor can be elevated above local grade as a strategy to prevent flood damage.
A cone or disc of plastic or sheet metal can be installed on pipes and downspouts to prevent rodents from climbing up the outside and gaining access to the roof
A constant airflow regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels
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 continuous drainage mat rainscreen made from vacuum-molded plastic provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically.
A continuous layer of polyethylene covers the crawlspace floor and is attached to the wall with wood nailing strips
A continuous load path uses structural connections to transfer horizontal and vertical loads from the roof to the foundation to help keep the building intact in high-wind and seismic events
A continuum of green (soft) to grey (hard) shoreline stabilization techniques used to mitigate the effects of erosion
A cool roof utilizes materials with high solar reflectance and thermal emittance to reflect solar energy and reduce heat gain to the home
A cool room should have low enough heat gains to be easily cooled by a small single-zone cooling system such as a mini-split or a window air-conditioner as shown here
A Corsi-Rosenthal Box is a highly effective DIY air cleaner made of easy to obtain materials such as HVAC filters, a box fan, cardboard, and tape
A cross-section of a vinyl-framed window showing metal reinforcement which helps support the window and prevent collapse if exposed to heat from a fire.
A deck or other attached structure located at the top of a slope with vegetation underneath is at high risk of ignition during a wildfire
A demand plumbing layout uses a recirculation pump to speed delivery of hot water to plumbing fixtures.
A dense concentration of buildings and pavement can create the Urban Heat Island Effect, where local temperatures can be several degrees higher than the surrounding areas
A detached garage offers more space to place solar panels with likely fewer roof penetrations and more options for roof pitch and orientation.
A dimpled plastic water barrier protects the insulated concrete form basement walls and carries any ground water down the walls to the footing drain to minimize the opportunity for water intrusion and frost heave.
A dimpled rain mat and perforated drain pipe provide drainage around the basement foundation.
A direct-vent sealed-combustion fireplace takes its combustion air directly from outside through a dedicated air inlet and vents combustion products directly outside
A direct-vent sealed-combustion furnace has dedicated pipes for combustion air and exhaust
A dormer with an openable window (not shown) can provide access to the roof if flood waters rise too high and too quickly; the dormer should be properly insulated, flashed, and air sealed
A drainage plane is created behind lap siding by installing furring strips on the exterior walls over house wrap which is overlapped and taped at all seams to serve as an air and water barrier.