Showing results 2201 - 2300 of 4973
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Red Tree Builders built this custom spec home in the mixed-humid climate in Asheville, NC, and certified it to DOE Zero Energy Ready Home specifications in 2021.
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Reduce the wildfire risks to decks by using closely spaced, heavy lumber decking and metal railings.
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Reduce thermal bridging in hot climate zones by using an intersecting exterior wall framing technique as shown here.
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Redundant moisture barriers including siding, house wrap, and coated sheathing can help protect walls from excess moisture, while vapor retarders prevent vapor from entering the wall from the house, for example from a bathroom or kitchen.
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Reinforce concrete slab and foundation walls to minimize future cracks that could let in pests
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Reinforced concrete and rigid foam ICF walls can withstand disaster risks such as hurricanes, tornadoes, floods, wildfires, earthquakes, and pests.
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Removable options for keeping sun off windows to minimize solar heat gain include awning, retractable and swinging shutters, interior or exterior curtains.
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Remove the plastic wrap, but not the cardboard frame, before installing the furnace/air handler filter in the filter slot or above the return grate; note, the metal wire over the filter fabric can be very sharp.
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Renewable resources on this self-sufficient home include 22 kW of sun-tracking photovoltaic panels, a 3.2-kW wind mill, batteries for power storage, a solar thermal water heating system, and nine 10,000-gallon water tanks.
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Repair leaks and cracks, and cover holes in foundation floors and walls to minimize water and vapor entry.
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Replace HVAC air filters regularly to protect the equipment and maintain system efficiency
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Replacing double-pane windows with triple-pane windows can significantly reduce winter-time condensation by warming the interior surface of the windows
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Replacing faucets and aerators with WaterSense models can save 700 gallons per year - equal to 40 showers worth of water.
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Replacing your old showerhead with a new low-flow showerhead can save hundreds of gallons of water each year.
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Research by the Florida Solar Energy Center showed that light-colored and reflective roofs reduced cooling energy consumption by 18%-26%, reduced peak energy demand for cooling by 28%-35%, and reduced attic temperatures by 20°F.
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Residential glazing in wind-borne debris regions is required to resist test missile C or D; however, field investigations have shown that roof tile can penetrate shutters that comply with test missile D like this one, so test missile E compliant...
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Retaining walls can prevent erosion and landslides and maintain access to critical infrastructure
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Retention walls, permeable pavement, french drains, drywells, and ditches all help to divert, collect, and manage the flow of stormwater on a site.
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Retrofit an existing roof by installing rigid foam above the roof deck with a ventilation space between the rigid foam and the new roof sheathing plus new moisture and air control layers and cavity insulation in the roof rafters.
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Retrofit an existing roof by installing rigid foam, new moisture and air control layers, new sheathing, and new cladding plus cavity insulation in the roof rafters to create an unvented attic
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Retrofit of cantilevered foundation wall showing details at the inside corner for installing closed-cell spray foam in the wall and overhanging floor
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Retrofit of cantilevered wall showing details at the inside corner for installing air sealing and rigid foam insulation in the wall and overhanging floor
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Retrofit of cantilevered wall showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and closed-cell spray foam in the overhanging floor
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Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and overhanging floor
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Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation plus water control membrane in the wall and overhanging floor
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Revival Homes built this affordable home in the cold climate in Litchfield, CT, and certified it to DOE Zero Energy Ready Home specifications in 2016.
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Revive Properties and Philgreen Construction built this multifamily home in the cold climate in Fort Collins, CO, and certified it to DOE Zero Energy Ready Home specifications in 2018.
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Revive Properties and Philgreen Construction built this production home in the cold climate in Fort Collins, CO, and certified it to DOE Zero Energy Ready Home specifications in 2018.
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Ridges can be constructed and planted to slow the downward flow of water and stabilize slopes.
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Right – The ties are bent at a 90 degree angle at the nail head and embedded into the mortar joint at least 1.5 inches.
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Right – The ties are bent at a 90 degree angle at the nail head and embedded into the mortar joint at least 1.5 inches.
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Right - Covered porches protect the south-facing windows and doors of this building from solar heat gain.
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Right - A “flash” seal approach with spray foam provides a continuous air barrier between the ceiling and walls of the garage and the living space.
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Right - A continuous layer of rigid foam insulation is installed against the foundation, and the perforated fiberglass insulation blanket is installed over that and covered with a semipermeable facing.
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Right - A continuous load path connects the roof and wall framing to the foundation.
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Right - A corrugated metal closure conceals the exterior rigid insulation at the slab edge
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Right - A dimpled-plastic geotextile mat covers the below-grade insulated concrete form (ICF) foundation to help keep water out of the foundation and to reduce hydrostatic pressure on the foundation during freeze-thaw cycles in winter.
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Right - a dropped ceiling below a taped plywood air barrier provides a service cavity for ducts and wiring.
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Right - A drywall gasket is installed along the top plate before installed drywall.
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Right - A durable, vented cover is installed over this exhaust duct to prevent bird and pest entry
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Right - A floor-to-floor hold down can be installed as a retrofit without removing the siding.
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Right - A hand saw is used to remove wall material for a small through-the-wall HRV; 6 of 14.
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Right - A heat recovery ventilator supplies all living spaces with fresh air while transferring heat for energy savings.
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Right - A high-efficiency (95 AFUE) wall-hung gas-fired boiler heats water for the hydro-coil space heating system and also provides a back-up for the solar hot water system.
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Right - A hole is drilled into the wall for installation small through-the-wall HRV; 5 of 14.
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Right - A home-run (also called central manifold or parallel piping) system distributes hot water directly from a distribution manifold next to the water heater to each fixture using individual small-diameter PEX pipes.
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Right - A lattice of 1X4 furring strips provides a ventilation gap between the decking and metal roofing for this shed roof.
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Right - A moisture sensor is installed on the roof to control the sprinkler system.
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Right - A second layer of flashing tape is applied over the EPDM gasket and first layer of tape at sides and top around the duct; 14 of 14.
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Right - A small through-the-wall HRV duct is installed in an exterior wall; 7 of 14.
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Right - A smart vapor barrier wraps the walls and window frames of this home. Seams are taped to provide an air- and water-resistant barrier.
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Right - A stand-alone dehumidifier is located in the return air closet of this multifamily dwelling located in a humid climate
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Right - A technician applies a thin layer of closed-cell foam to air-seal an unvented attic assembly before filling the ceiling joists with batt or blown insulation.
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Right - A technician wraps the foundation piers with a vapor retarder in preparation for laying vapor retarder over the floor of this crawlspace.
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Right - A termite shield and a sill gasket are installed between the sill plate and the foundation on a raised slab foundation.
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Right - Additional potential locations for slab-on-grade insulation include (a) under the slab and outside the perimeter with optional underground moisture block, (b) under the whole foundation, or (c) on top of the slab.
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Right - After installing the EPDM gasket around the HRV duct, first the lower edge, then the sides of the gasket are taped; 11 of 14.
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Right - After installing the EPDM gasket around the HRV duct, first the lower edge, then the sides, then the top of the gasket are taped; 12 of 14.
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Right - After installing the EPDM gasket around the HRV duct, the lower edge of the gasket is taped first before taping the other edges of the gasket; 10 of 14.
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Right - After wrapping the posts, a technician lays a vapor retarder over the floor of a crawlspace.
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Right - Air barrier is present and installed between the floor system and unconditioned space.
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Right - Air barrier is present between the dropped ceiling/soffit and the attic.
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Right - Air barrier is present between the dropped ceiling/soffit and the attic.
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Right - Air-sealing the wall between the garage and the home is vital for occupant health and safety.
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Right - All seams in the HVAC equipment and ductwork are sealed with mastic; because the HVAC equipment is in the garage, it is an air-sealed closet.
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Right - Aluminum accordion coverings are permanently installed and can be deployed quickly but must be manually closed from the outside.
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Right - Aluminum or polycarbonate panels attach to permanently mounted railings and require installation from the exterior.
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Right - An energy recovery ventilation (ERV) brings fresh air into the home while exhausting stale air. Both ducts pass through a heat exchanger where heat from the warmer duct is transferred to the cooler duct.
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Right - An EPDM gasket is installed around an HRV duct installed in an exterior wall; 9 of 14.
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Right - An in-line air flow testing station is installed in a straight section of smooth metal duct (red outline) to determine the air flow rate of a fresh air intake for a whole house ventilation system.
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Right - An installer uses canned spray foam to air seal joints in an existing subfloor.
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Right - An ultra-efficient (COP 5.7) ground source heat pump provides hot water to an air coil in the central air handler which uses a variable-speed electrically commutated fan motor to distribute conditioned air to the home’s ducts.
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Right - An unvented attic with no soffit vents, borate-treated fascia board, metal drip edge, and concrete block construction on this south Florida home help make it resistant to hurricanes, pests, and wind-born wildfire embers.
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Right - Anchorage to increase the wind uplift resistance of outlookers forming the overhang at a gable end truss wall.
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Right - Attach exterior insulation with insulation washers and tape the seams of the insulation is used as an air barrier.
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Right - Automatic metal roller shutters are always in place and can be electronically or manually opened and closed.
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Right - Baffles above the raised heel trusses and wind dams behind the trusses will keep wind from blowing the cellulose insulation away from the eaves.
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Right - Baffles are installed in attic to keep blown insulation from blocking soffit vents and ventilation path
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Right - Basement slab with a capillary break of either gravel or a drainage mat.
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Right - Basement with exterior XPS or EPS insulation and insulation under the basement slab.
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Right - Below-grade concrete has been properly sealed against moisture and is now having insulation installed.