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
Ludek Zavodny, Reed Bisson, Steven Hoglund: HVAC air filter monitor with sensor compensation. Honeywell International, Seager Tufte & Wickhem, January 7, 2014: US08623117 (13 worldwide citation)

Sensor offsets for an air filter monitor installed in an HVAC system may be determined by measuring a sensor offset differential pressure value across an air filter when substantially no air flow exists through the air filter. The sensor offset differential pressure value obtained at or near zero fl ...


5
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, ...


6
Steven Hoglund: Steam humidifier with auto-cleaning feature. Honeywell International, Seager Tufte & Wickhem, February 19, 2013: US08376322 (1 worldwide citation)

The disclosure relates generally to steam humidifiers with an auto-cleaning feature, and more particularly, to steam humidifiers that include an auto-cleaning feature for automatically cleaning impurities and/or other byproducts from the steam humidifier while still operating the humidifier in a rel ...


7
Steven Hoglund, Paul G Schwendinger: HVAC controller with checkout utility. Honeywell International, Seager Tufte & Wickhem, December 4, 2018: US10145578

A zone control panel that is easy and intuitive to use and to program. In some embodiments, a zone control panel may be configured to have an easy to use, single level menu structure with, for example, a configuration mode and/or a checkout mode. The configuration mode may, if present, include a num ...


8
Jay Nelson, David Bures, Petr Kasparik, Soumitri Kolavennu, Roman Konecny, Amit Kulkarni, Daniel Becvar, Martin Adamek, Juraj Buno, Steven Hoglund, Libor Horky, Jan Malek, Adam Nemcek, Martin Skala, Tomas Losak, Josef Novotny, Thomas Gessner, Preston Gilmer, Ix, Hari Thiruvengada, Christopher Goh, Robert D Juntunen, David Mulhouse, Cary Leen, Heidi Finch: Devices and methods for interacting with an HVAC controller. Honeywell International, Seager Tufte & Wickhem, August 21, 2018: US10054327

An HVAC controller may be controlled in response to a natural language audio message that is not recognizable by the HVAC controller as a command, where the natural language audio message is translated into a command recognizable by the HVAC controller. The HVAC controller may be a thermostat includ ...


9
Steven Hoglund, Reed Bisson: Methods and systems for monitoring an air filter of an HVAC system. Honeywell International, Seager Tufte & Wickhem, November 6, 2018: US10119718

Methods and systems for monitoring an air filter installed in an HVAC system may include operating the HVAC system in an air filter monitoring mode such as, for example, a fan only mode, and measuring, for example, a differential pressure across the air filter when the HVAC system is operating in th ...


10
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 ...