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2020
|
Invention
|
Condensate removal system for cold-climate heat pumps. A system for managing drainage of heat pum... |
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2018
|
Invention
|
Integrated heat and energy recovery ventilator system. A heat recovery ventilator (HRV) and/or en... |
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2017
|
Invention
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Thermal energy usage metering system for steam-heated multiple unit building. A system for determ... |
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1999
|
Invention
|
Method and apparatus for a passive solar day lighting system. A method and apparatus for a passiv... |
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|
Invention
|
Energy saving thermostat with a variable deadband. An apparatus for, and a method of, reducing cy... |
