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
Barbara J Dean Hendricks, Amy Ragland, Reed H Bisson, Steven R Hoglund, David Schultz, Mohammad Aljabari: Method and apparatus for configuring a filter change notification of an HVAC controller. Honeywell International, Seager Tufte & Wickhem, June 14, 2016: US09366448 (11 worldwide citation)

Methods and systems are provided for monitoring the condition of an air filter of an HVAC system to provide an indication of when the air filter should be changed. An HVAC controller may be configured to include a filter change notification, wherein the HVAC controller may monitor the current condit ...


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
Barbara J Dean Hendricks, Amy Ragland: HVAC controller with component change notification. Honeywell International, Seager Tufte & Wickhem, July 14, 2015: US09080784 (10 worldwide citation)

HVAC methods and systems are provided for issuing a component change notification to a user when an air filter or other replaceable component should be changed. In some instances, an HVAC controller may solicit information from a user that is related to one or more features of the replaceable compon ...


7
Amy Ragland, David Quam, Brad Paine: HVAC controller having economy and comfort operating modes. Honeywell International, Seager Tufte & Wickhem, August 16, 2016: US09416987 (2 worldwide citation)

An HVAC controller may be programmed to control an HVAC system according to a comfort mode and an economy mode. When the HVAC system is operating according to the comfort mode, the HVAC system may primarily draw energy from a locally generated energy source or local energy storage system. The HVAC c ...


8
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 ...


9
David Quam, Amy Ragland, Steve R Peterson: Remote contractor system with summary display screen. Honeywell International, Seager Tufte & Wickhem, November 27, 2018: US10139123

A system that allows a contractor to remotely monitor and/or interact with its customers' building control systems, such as heating, ventilating and air conditioning (HVAC) systems, and analyze information obtained from the building control systems over time. Such a system may help the contractor mo ...


10
David Quam, Amy Ragland, Steve R Peterson, Joel Swanson: Remote building monitoring system with contractor locator. Honeywell International, Seager Tufte & Wickhem, May 15, 2018: US09970675

A system allows a contractor to remotely monitor and/or interact with its customers' building control systems, such as heating, ventilating and air conditioning (HVAC) systems, and analyze information obtained from the building control systems over time. Such a system may help the contractor monitor ...