I follow the manufacturer’s recommendation to change the pre-filter every 3 months on all my Honeywell Air Cleaners with HEPA filters. These replacement filters come boxed in a set of two. The pre-filter simply wraps around the round HEPA filter, which is inside the unit, and attaches to itself by means of two velcro fasteners. [...]
I was most interested in the humidity measurement.I conducted a calibration****(See update at end of review) with a sling psychrometer.A sling psychrometer measures wet bulb/dry bulb temperature and is the least expensive (albeit a bit tedious to use) and most accurate way to determine relative humidity (RH). I needed to know relative humidity for curiosity [...]
I was looking for a quality wireless doorbell system that has the range for my long ranch house that has two front doors.The Honeywell RCWL300A1006 claimed to have a 250′ operating range.It does.I just finished installing the sytem and it works well.The installation is simple.The only reason I did not give the unit 5 stars [...]