Tip & How-To about Honeywell HHT-011 Air Purifier

Whistles and Vibrates Fix

Show how to fix a Honeywell air purifier that was whistling and vibrating excessively. Model# HHT-011

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Honeywell HHT-011 Air Purifier red light will not turn off even after cleaning the filter three times.


For those who's red light will not turn off after cleaning. There is a little button by the red light indicator. Take a paper clip and hold in for about 5 seconds. Light will then turn off.

Jan 22, 2011 | Honeywell HHT-011 Air Purifier

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honeywell htt 011 air filter light won't go off


Thank you to MPODHOLA. After cleaning your Honeywell HHT-011, if the red light does not turn off locate the very small button under the red light. As suggested use a paperclip, hold the button for 5 seconds and this resets the system. Make sure the unit is on when you hold down the button. I tried it with the unit off and it did not work. Turned on the unit, held down the button for 5 seconds and the system reset. No more red light.

Dec 03, 2010 | Honeywell HHT-011 Air Purifier

1 Answer

Can you tell me the difference between the Honeywell Tower Air Purifier HHT-081 and HHT-090? From what I find, they seem identical.


I am 99.9% sure that you are simply looking at this year vs. last year models. There are absoutly no significant changes. I will verify on Mondayas I know the engineer at Honeywell that works on this particular product!

Jan 29, 2009 | Honeywell HHT-090 Air Purifier

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