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Outdoor unit for a mini split (ductless) heat pump.
Ducts are insulated but strapping is compressing the insulation therefore reducing the R-value
Ducts are properly insulated and supported without compressing the insulation
Ducts are run straight and supported properly
Ducts crammed into cavity, kinked and sharply bent
Ducts properly installed without compression and appropriately supported
Ducts properly installed without compression and appropriately supported
Ducts running parallel to trusses have limited width due to truss spacing
Ducts sagging because supports not installed at regular intervals
Ducts should not be located in exterior wall cavities
Ducts well supported
Ducts well supported
Ducts well supported
Ducts well supported by framing and straps as needed
Durable Energy Builders installed a natural gas generator integrated with the solar electric system via a “smart panel” so that household utilities automatically switch to the generator during power outages in the disaster-resilient home.
Durable masonry walls provide resistance to high winds.
During drought periods, an integrated back-up system adds city water to maintain the Durable Energy home’s 11,500-gallon cistern at 25% capacity or more.
Each floor of this two-story modular home is constructed in a factory, including the 2x6, 24-inch on-center walls, R-21 fiberglass batt cavity insulation, and rigid exterior foam, housewrap, windows, and trim, then connected on site.
Easy access
Effective air barrier for the rim joist
Electrical boxes are sealed with air sealing tape.
Electronically controlled dampers allow this central air system to provide zoned heating and cooling to specific parts of the home.
Elevate stored lumber
ENERGY STAR ceiling fans can help occupants feel cool so HVAC air conditioning systems can be turned down for energy savings.
ENERGY STAR certified LEDS save energy and money compared to halogen lamps used for the same application.
ENERGY STAR climate zone map for windows
ENERGY STAR climate-specific criteria for windows and skylights
ENERGY STAR rated dishwasher.
ENERGY STAR reflective roof shingles and low-SHGC windows with low-emissivity coatings help to minimize solar heat gain.
ENERGY STAR reflective shingles cover the roof, which is ideally angled for solar panels.
ENERGY STAR requires exhaust fans set for intermittent operation to have a sound rating of ≤ 3 sones and exhaust fans set for continual operation to have a sound rating of ≤ 1 sone.
ENERGY STAR Window Specifications
ENERGY STAR-certified refrigerators save energy and money for consumers
ENERGY STAR-labeled clothes washers reduce energy and hot water usage.
ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.
ENERGY STAR-rated ceiling fans save energy when operating and provide cooling movement to reduce the need for coolant-based air conditioning.
Engineered studs of wood mixed with resin provide very straight, strong studs for the 2x6 walls.
Ensure that the air handler location does not conflict with duct routing
EPA WaterSense-certified faucets help reduce hot water usage.
EPA WaterSense-certified showerheads help reduce hot water usage.
EPA WaterSense-certified toilets help reduce hot water usage.
Example of an HVAC installer’s balancing report form
Excessive length of duct installed
Excessive length of duct installed causing sharp bends
Excessive length of duct installed causing sharp bends
Exhaust duct has been mechanically fastened and sealed with mastic
Exhaust duct is well supported by framing and support straps
Exhaust duct only mechanically fastened and not sealed
Exhaust duct only mechanically fastened and not sealed
Exhaust duct work and penetration to the exterior have been sealed with mastic
Exhaust duct work and penetration to the exterior have not been sealed
Exhaust fan installed but in wrong direction causing excessive bend and duct is uninsulated
Exhaust fan terminates to the outside
Exhaust fans in separate dwelling units should not share a common exhaust
Exhaust has been properly installed, sealed, and terminates to outdoors
Exhaust pipe should be made of smooth, rigid duct and any bends should be gradual, not sharp
Exhaust terminates inside of soffit and was just covered
Exhaust terminates to the outside away from air inlets
Existing wall-to-lower roof transition retrofitted with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding
Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco. Windows are flashed to the drainage plane (not seen), which is behind the insulation.
Exterior aluminum storm window showing weep channel, example 1
Exterior aluminum storm window showing weep channel, example 2
Exterior aluminum storm windows showing weep channel
Exterior storm window
Exterior surface of below-grade walls finished as follows: For poured concrete, concrete masonry, and insulated concrete forms, finish with damp-proof coating
Exterior surface of below-grade walls finished as follows: For wood-framed walls, finish with polyethylene and adhesive or other equivalent waterproofing
Exterior window replacement detail
Extra-wide air sealing tape seals seam where the structural insulated panels (SIPs) that form the roof and walls meet.
Extruded polystyrene (XPS) rigid foam is taped at the seams to provides a continuous air and weather-resistant barrier so no house wrap is needed; it also provides a continuous layer of insulation.
Faced fiberglass batt insulation can be stapled to the stud faces or slightly inset, but avoid compressing the batts
Faced fiberglass batt insulation incorrectly installed

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