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The high-efficiency mini-split heat pump provides cooling and heating; a drain pipe carries condensate away to a location that meets local code requirements.

The high-efficiency mini-split heat pump provides cooling and heating; a drain pipe carries condensate away to a location that meets local code requirements.
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The HVAC equipment's condensate drain pan is equipped with a water-level detection device that will shut off the equipment if the water level pan in the pan gets too high

The HVAC equipment's condensate drain pan is equipped with a water-level detection device that will shut off the equipment if the water level pan in the pan gets too high
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The IR image on the right shows the sun is heating the southeast-facing wall of this concrete-block house to 36C (97F); this corner of the home would not be a good place for a cool room due to lack of shading and insulation

The IR image on the right shows the sun is heating the southeast-facing wall of this concrete-block house to 36C (97F); this corner of the home would not be a good place for a cool room due to lack of shading and insulation
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The leaks in this foundation wall have been injection sealed to prevent water infiltration into the foundation.

The leaks in this foundation wall have been injection sealed to prevent water infiltration into the foundation.
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The light fixture is connected to the exhaust fan with an electric wire which is sometimes hard wired but in this case is plugged in so it can be unplugged to clean the light fixture and access the fan for cleaning

The light fixture is connected to the exhaust fan with an electric wire which is sometimes hard wired but in this case is plugged in so it can be unplugged to clean the light fixture and access the fan for cleaning
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The metal head flashing over the window trim angles out slightly to provide a drip edge so rain water will drop away from the window instead of rolling down onto the window trim.

The metal head flashing over the window trim angles out slightly to provide a drip edge so rain water will drop away from the window instead of rolling down onto the window trim.
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The NEEP Cold Climate Air Source Heat Pump List allows users to search, sort, and filter for cold climate heat pumps by brand, model, product type, and ducting configuration; an advanced search provides helpful resources for sizing to the heating load

The NEEP Cold Climate Air Source Heat Pump List allows users to search, sort, and filter for cold climate heat pumps by brand, model, product type, and ducting configuration; an advanced search provides helpful resources for sizing to the heating load
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The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand

The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand
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The Perfect Wall includes water, air, thermal, and vapor layers with continuous insulation exterior of the sheathing to reduce the condensation potential in the wall.

The Perfect Wall includes water, air, thermal, and vapor layers with continuous insulation exterior of the sheathing to reduce the condensation potential in the wall.
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The polyethylene ground cover in the crawlspace is continuous at interior posts and piers

The polyethylene ground cover in the crawlspace is continuous at interior posts and piers
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The recommended approach for groundwater management in cases where the foundation is entirely above the groundwater table.

The recommended approach for groundwater management in cases where the foundation is entirely above the groundwater table.
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The rotting wood in this wall is the direct result of missing flashing between the lap siding and the stone wall. Water was able to soak in and rot the wood behind the stone.

The rotting wood in this wall is the direct result of missing flashing between the lap siding and the stone wall.; water was able to soak in and rot the wood behind the stone.
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The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding

The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding
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The top course of these concrete masonry unit (CMU) crawlspace foundation walls and piers is filled with grout then sprayed with a waterproofing membrane that acts as a capillary break and prevents moisture from migrating into the framing material.

The top course of these concrete masonry unit (CMU) crawlspace foundation walls and piers is filled with grout then sprayed with a waterproofing membrane that acts as a capillary break and prevents moisture from migrating into the framing material.
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The Weather Channel - Protecting Openings

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The white TPO membrane roof on the row house on the right performs extremely well at reflecting solar energy and maintaining cool surface temperatures while the black EPDM membrane roof on the left heats up rapidly in the sunlight

The white TPO membrane roof on the row house on the right performs extremely well at reflecting solar energy and maintaining cool surface temperatures while the black EPDM membrane roof on the left heats up rapidly in the sunlight
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Thermometer used to measure dry-bulb temperature

Thermometer used to measure dry-bulb temperature
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These ducts were installed within the home's conditioned space in a central chaise down the main hallway.

These ducts were installed within the home's conditioned space in a central chaise down the main hallway.
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These plots compare sizing approaches in terms of the approximate annual heating load a heat pump might carry throughout the year for a hypothetical home in Minneapolis, MN.

These plots compare sizing approaches in terms of the approximate annual heating load a heat pump might carry throughout the year for a hypothetical home in Minneapolis, MN.
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This “high static ducted cassette” heat pump system is similar to a traditional centrally ducted system, serving several areas of a home from one indoor unit

This “high static ducted cassette” heat pump system is similar to a traditional centrally ducted system, serving several areas of a home from one indoor unit
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This air handler is located within the homes conditioned space in a closet on the main floor of the home (Source: Tommy Williams Homes).

This air handler is located within the homes conditioned space in a closet on the main floor of the home (Source: Tommy Williams Homes).
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This asphalt-based, vapor-permeable coating is painted directly onto the OSB sheathing to provide a weather-resistant barrier that also reduces air leakage.

This asphalt-based, vapor-permeable coating is painted directly onto the OSB sheathing to provide a weather-resistant barrier that also reduces air leakage.
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This bathroom exhaust fan includes a fan and light

This bathroom exhaust fan includes a fan and light
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This bathroom exhaust fan needs to be cleaned

This bathroom exhaust fan needs to be cleaned