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A drywell, shown here used for downspout catchment, can also be used to receive water from a French drain.
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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 ducted minisplit heat pump is hidden in the ceiling of this centrally located room with short duct runs to the registers located on each wall of the room.
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A ductless heat pump is hidden behind a wall outcropping above the hallway ceiling.
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A flanged window unit is installed with straps that fasten to the interior surfaces of the plywood extension box; furring strips on each side of the window will be attached after the flanged window is installed and flashed
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A flat plate solar hot water system heat potable water in a glass covered collector that sits on the roof.
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A floor cavity between the first and second floor can provide a conditioned space for HVAC ducts if the rim joists are insulated and air sealed, if sufficient space is available, and if open-web floor joists are used
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A foam gasket is installed along the top plates before installing drywall as an air-sealing step to help achieve a quieter, draft-free home.
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A French drain contains a perforated drain pipe wrapped in rock and landscape fabric.
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A fresh air inlet is ducted to the return side of the home’s central air handler; a motorized damper and electronic controls help balance the flow of fresh incoming air with controlled exhaust to meet ventilation requirements
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A fuel tank elevated above the design flood elevation on a platform in a high velocity flow area.
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A fuel tank is strapped onto a concrete slab at the top of compacted fill above the DFE.
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A fuel tank should be anchored with ground anchors designed for site conditions to maintain secure connection to its base in a flood or earthquake
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A gable end failure due to improper bracing caused collapse of most of the trusses on this roof under hurricane force wind conditions.
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A green strip is a type of fuel break planted with less flammable vegetation; e.g., crested wheatgrass.
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A ground source heat pump with an open-loop piping system using vertical injection and recharge
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A ground-source heat pump has the same components as a standard air-to-air heat pump except that the liquid-to-refrigerant heat exchanger coil is located inside rather than outside
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A ground-source heat pump used a fluid flowing through pipe loops to draw heat from or discharge heat the ground to heat or cool the indoor space.
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A ground-source heat pump with a closed-loop horizontal “Slinky™ “piping arrangement
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A gut rehab that includes drywall removal provides the opportunity to thoroughly insulate the walls.
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A heat pump clothes dryer is a type of condensing clothes dryer that uses heat pump technology to efficiently dry clothes
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A high-efficiency gas boiler provides hot water to the faucets, to radiant heating loops in the basement floor, and to a hydro-coil for a central air heating system.
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A high-efficiency heat pump is installed in a closet within this home’s conditioned space.
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A layer of pea gravel or crushed stone, 4 inches thick and sloped 5%, provides a pest-resistant ground break around the perimeter of a slab foundation
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A layer of pea gravel or crushed stone, 4 inches thick and sloped 5%, provides a pest-resistant ground break around the perimeter of a basement foundation
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A layer of rigid foam is sandwiched between two layers of 2x8 lumber in this insulated header over a window.
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A liquid-applied water barrier covers the walls, serving as a drainage plane, air and vapor barrier, and secondary window flashing beneath the rigid foam that will be installed next.
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A low-sloped shed roof with the thermal boundary located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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A manometer is used to measure pressure differentials between indoors and outdoors when testing whole-house air leakage.
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A masonry chimney is reconstructed to withstand seismic forces by adding an insert to the existing firebox
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A masonry chimney is reconstructed to withstand seismic forces by completely retrofitting the firebox and chimney using light-frame construction on the top of the foundation
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A masonry chimney is reconstructed to withstand seismic forces by maintaining the current firebox but replacing the chimney section with a metal flue and light-weight chimney enclosure.
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A masonry chimney is shortened and capped at roof level to reduce its chances of detaching in high winds or earthquakes; the fireplace can no longer be used.
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A mesh plastic rainscreen product separates the coated OSB from the siding, providing a drainage space and ventilation gap.
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A metal storm panel is installed in a track permanently mounted above and below the window frame and secured with wing nuts to studs mounted on the track.
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A modern single-inlet direct evaporative cooler draws outside air through an 8- to 12-inch media filter
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A moisture meter verifies that the moisture of the framing is below the recommended 18%.
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A molded plastic drainage board rainscreen allows vertical drainage while providing uniform support for the siding and resisting compression from screws and nails.
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A natural gas 94% efficiency tankless hot water heater provides endless hot water.
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A nylon draw band and tensioning tool are used to secure the inner coil of the pre-insulated flexible duct
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A nylon draw band and tensioning tool are used to secure the inner liner of the pre-insulated flexible duct
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A paint-on flashing is used around the windows and doors for seamless water protection.
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A paint-on waterproofing covers the exterior and tops of the concrete block foundation walls and piers to block moisture moving up through the concrete, while foil-faced R-13 insulation lines the inside surface of the exterior walls.
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A patio and wall constructed of noncombustible concrete, stone, or brick helps to deflect heat protect the deck and house from approaching wildfires.