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Continuously-operating ventilation & exhaust fans include readily accessible override controls

Continuously-operating ventilation & exhaust fans include readily accessible override controls
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Cover the box with insulation

Cover the box with insulation
Presentation:

COVID-Safe Ventilation and Airflow Strategies for Homes and Other Buildings

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Cut a neat hole in the ceiling with smooth edges in which the exhaust fan housing will fit snugly

Cut a neat hole in the ceiling with smooth edges in which the exhaust fan housing will fit snugly
Case Study:

Demonstration and M&V: Commercial Heat Pump Water Heating System at Bayview Tower, Seattle WA

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Desuperheater for domestic hot water

Desuperheater for domestic hot water
Case Study:

DOE ZERH HIA 2015 Case Study: BPC Green Builders, Taft School, Watertown, CT

Case Study:

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Case Study:

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Lowry Plan, Denver, CO

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Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler

Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler
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Ducted whole-house fans should be installed with the duct curved and the fan suspended from rafters to reduce noise and vibration transmission to the living area.

Ducted whole-house fans should be installed with the duct curved and the fan suspended from rafters to reduce noise and vibration transmission to the living area.
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Ductless Heat Pump Outside Compressor

Ductless Heat Pump Outside Compressor
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Ductless heat pump’s digitally controlled inverter compressor

Ductless heat pump’s digitally controlled inverter compressor
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Ductless heat pumps are small, highly efficient heating and cooling systems but they do need regular maintenance and inspection for deep cleaning.

Ductless heat pumps are small, highly efficient heating and cooling systems but they do need regular maintenance and inspection for deep cleaning.
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Ductless indoor units like this one are controlled individually by handheld remote controllers.

Ductless indoor units like this one are controlled individually by handheld remote controllers.
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ECM Motor and Control

ECM Motor and Control
Video:

Energy 101 Video: Geothermal Heat Pumps

Video:

Energy 101: Geothermal Heat Pumps

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ENERGY STAR ceiling fans can help occupants feel cool so HVAC air conditioning systems can be turned down for energy savings.

ENERGY STAR ceiling fans can help occupants feel cool so HVAC air conditioning systems can be turned down for energy savings.
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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 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.
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ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.

ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.
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ENERGY STAR-rated ceiling fans save energy when operating and provide cooling movement to reduce the need for coolant-based air conditioning.

ENERGY STAR-rated ceiling fans save energy when operating and provide cooling movement to reduce the need for coolant-based air conditioning.
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Example design airflow data for a ventilation system in a multifamily building

Example design airflow data for a ventilation system in a multifamily building
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Examples of heat pump water heaters with water pipe connections on top.

Examples of heat pump water heaters with water pipe connections on top.