![]() Objectively speaking, when multiple parameters are changed from test to test, the results cannot be compared against each other. Maybe things are as you say, but until I see some other testing, the best information I have access to right now says that that is not the case. I’ve been impressed with your objectivity on this site. Since you already own one of the expensive hanging units, and likely a box fan + filter, I would be curious to see your test results, if you post them. Without any better evidence, I’ll go with the results as shown: box fans + filters are better than hanging commercial units. If they are, I’d like to see some testing to show this is the case. While I agree with you that there are potential problems with the setup (like there will be with any setup), that doesn’t mean that the results are invalid. Yes, he’s got $10 plans available, but they’re not necessary to get the benefits from his suggestions. Further nothing he’s selling really benefits him greatly. The others are pretty clearly commonly available fans + filters, with specific information. That’s just it, only one of the products he’s selling beats the commercial hanging filters. There is also a HUGE number of woodworkers who install their air cleaners in less than optimal locations, which is mostly the fault of brands failing to provide sufficient guidance. But at distances, blower fans have an inherent performance benefit. YouTube also has videos of people defeating the blade guards on circular saws, clamping them to workbenches, and calling it table saw tips and tricks.Ī box fan with a filter might work well if up close to the dust generation area. “Show me the counterevidence.” That’s impossible if there are insufficient details to replicate test conditions.Īnd, like I said, I could devise tests that play to different systems’ strengths and weaknesses to provide for a “winner” of my choosing. Maybe that tester did everything by the book and simply didn’t share technical details, or maybe their entire testing and system of comparison is flawed. What does this matter if they took different tests? If I know John and Jane’s strengths and weaknesses, I could test to that. Quantitative data cannot be compared if too many conditions are changed. “This guy has done actual comparisons” – yes, with seemingly variable test conditions and results that suggest visitors would be best off buy buying the tester’s plans and products. “placed on ceiling-mounted shelf with intake 8 feet off one wall and side 2 feet off side wall.” One variable must be changed at a time – the filtration system, and the setup must be clearly described, such as “placed 1 meter away with filter placed on a tabletop coplaner with table saw surface, intake facing the dust generation apparatus.” That they have fans at different places, and different filter conditions such as “2-year-old dust caked”, there are way too many variables changing. I’m not saying that’s what they did, but when most “tests” involve things like floor-based systems, fans placed in windows and doorways, and “inferior” commercial systems where no indication is given as to where they were placed for testing, I cannot give the tester my implicit trust.įor a scientific test where the type of filtration system is the variable, nothing else must change. I can take a box fan with furnace filter, a consumer HEPA air cleaner, and a woodworking filter system, and design 3 sets of tests where there are 3 very different outcomes as to which is best. That’s my point – “counterevidence” is moot when we’re talking about an unscientific variable where the test conditions seem to change. Replacement filters: 708731 electrostatic outer filter, 708733 inner 3-pocket filter. Automatic air quality sensor and speed controlĪs with the old model, the new one can be ceiling-mounted, or placed flat on a workbench or other such secure flat surface.Diffuser disperses air into broader pattern.JET ADS1000C Key Features & Specifications The auto mode is optional you can set the operational speed manually if desired. This means that the air filter will automatically dial up its speed and airflow when the sensor picks up a higher amount of dust in the air, and ramps it back down once the air is cleaner. Here’s where the “smarter” aspect comes into play – the air filtration system also features a sensor that automatically adjusts the motor speed based on air quality. There are 6 speed settings, and the timer can be set for 1 to 16 hours. The control panel has LED indicators to inform you of filter life, as well as indicators and controls for the speed and timer settings.
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