1
Amy Ragland, Barbara Dean Hendricks, Christopher Goh, Reed Bisson, Steven Hoglund: Method and systems for setting an air filter change threshold value in an HVAC system. Honeywell International, Seger Tufte & Wickhem, December 24, 2013: US08613792 (18 worldwide citation)

A clean air filter may be used to set an air filter change threshold value for an air filter monitor installed in an HVAC system. The air filter change threshold value may be used to determine a status of an air filter (e.g., clean or dirty).


2
Steven Hoglund, Reed Bisson, Amy Ragland, Barbara Dean Hendricks, Christopher Goh, Robert Bick: Filter change alert system for an HVAC system. Honeywell International, Seager Tufte & Wickhem, April 22, 2014: US08704672 (15 worldwide citation)

Methods and systems for indicating a status of an air filter of an HVAC system may include receiving a measure that is related to an amount of flow restriction presented by the air filter in an HVAC system, using the measure to determine whether the air filter does not need replacing, the air filter ...


3
Reed Bisson, Steven Hoglund, Amy Ragland, Barbara Dean Hendricks, Christopher Goh: Methods and systems for setting an air filter change threshold in an HVAC system using a blocking panel. Honeywell International, Seager Tufte & Wickhem, November 5, 2013: US08574343 (14 worldwide citation)

A blocking panel may be used to set an air filter change threshold value for an air filter monitor installed in an HVAC system. The air filter change threshold value may then be used to determine a status of an air filter (e.g., clean or dirty).


4
Steven Hoglund, Reed Bisson, Amy Ragland, Barbara Dean Hendricks: Methods and systems of verifying a filter change in an HVAC system. Honeywell International, Seager Tufte & Wickhem, May 27, 2014: US08734565 (11 worldwide citation)

Methods and systems for monitoring the condition of a new air filter installed in an HVAC system are disclosed. In one example, an input that indicates a new air filter has been installed may be accepted, and in response, the HVAC system may be automatically operated in an air filter verifying mode, ...


5
Barbara Dean Hendricks, Joshua Jacque Edberg, David Quam, Amy Ragland: HVAC controller with indoor air quality scheduling. Honeywell International, Seager Tufte & Wickhem, November 7, 2017: US09810441

An HVAC controller, such as a thermostat, may be configured to allow a user to set and/or select schedule time period in which one or more indoor quality units (e.g. humidification, dehumidification, ventilation, etc.) will or will not operate, and/or will operated but using different settings. In s ...


6
Barbara Dean Hendricks, Joshua Jacque Edberg, Steven Hoglund, Steve C Nichols: HVAC controller with ventilation boost control. Honeywell International, Seager Tufte & Wickhem, October 31, 2017: US09804611

A Heating, Ventilation, and/or Air Conditioning (HVAC) controller, such as a thermostat, is configured to receive and accept one or more requests for a temporary boost in ventilation. The requests may be received from one or more remotely located ventilation boost control units located throughout th ...


7
Steven Hoglund, Reed Bisson, Amy Ragland, Barbara Dean Hendricks: Methods and systems of verifying a filter change in an hvac system. Honeywell International, December 20, 2012: US20120318135-A1

Methods and systems for monitoring the condition of a new air filter installed in an HVAC system are disclosed. In one example, an input that indicates a new air filter has been installed may be accepted, and in response, the HVAC system may be automatically operated in an air filter verifying mode, ...


8
Amy Ragland, Barbara Dean Hendricks, Christopher Goh, Reed Bisson, Steven Hoglund: Method and systems for setting an air filter change threshold value in an hvac system. Honeywell International, December 20, 2012: US20120318137-A1

A clean air filter may be used to set an air filter change threshold value for an air filter monitor installed in an HVAC system. The air filter change threshold value may be used to determine a status of an air filter (e.g., clean or dirty).


9
Reed Bisson, Steven Hoglund, Amy Ragland, Barbara Dean Hendricks, Christopher Goh: Methods and systems for setting an air filter change threshold in an hvac system using a blocking panel. Honeywell International, December 20, 2012: US20120318138-A1

A blocking panel may be used to set an air filter change threshold value for an air filter monitor installed in an HVAC system. The air filter change threshold value may then be used to determine a status of an air filter (e.g., clean or dirty).


10
Steven Hoglund, Reed Bisson, Amy Ragland, Barbara Dean Hendricks, Christopher Goh, Robert Bick: Filter change alert system for an hvac system. Honeywell International, December 20, 2012: US20120319851-A1

Methods and systems for indicating a status of an air filter of an HVAC system may include receiving a measure that is related to an amount of flow restriction presented by the air filter in an HVAC system, using the measure to determine whether the air filter does not need replacing, the air filter ...