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Halo (Read 82 times)

Carmine_Difazio

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Re: Halo
Reply #20 - 06/13/07 at 8:48am

Quote from cprohman on 06/13/07 at 7:52am:

A minor correction to the information on the Halo site is that UV-A is the primary light used for tanning, because it is UV-A that oxidizes the melinin, i.e, turns you brown. Most tanning beds also include some UV-B as well, in small amounts, typically about 3% of the light, because it stimulates additional melinin production. If a tanning lamp has over about 5% UV-B, the customers will tend to have an orange coloration, caused by melinin being produced, but not oxidized, and customers will tend to burn quite easily.

Hello Carl:

Maybe true but it's a moot point for this discussion of the Halo. Wink

The issue and relevance is the light used for the workings of the Halo vacuum: UV-C. The rest is filler IMHO.

I have the same concerns and issues with the UV-C effectiveness as Mike:

Quote from Mike_W. on 06/13/07 at 3:21am:

Some UV-C can pass through the atmosphere. I believe that this machine will kill some organisms, but not all. It will kill towards the top of the surface, but I cannot believe that it will kill at the bottom. UV-C cannot pass through barriers, so that would include deep, tight, fibers.

Also, environmental issues arise w/ the disposal of the UV-C bulb.

As I said in an earlier post, a trigger activates the bulb chamber.

The danger of the UV-C light has been reduced to make it household and people friendly. In so doing, what is the trade off to its effectiveness. If you look at the lenz cover over the bulb it obviously (at least to me) filters out a good deal of the "light." What is the result on thick tight woven rug piles? Buyers don't know (yet). Who do you believe? The maker? Or an independent tester like CRI, CR, ASTM, and/or Good Housekeeping? If you're like me, the latter. Especially when I'm plunking down $399 for what is, in the final analysis, a vacuum cleaner not a bug killer (gimmick).

Carmine D.

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cprohman

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Re: Halo
Reply #21 - 06/13/07 at 12:35pm

The intriguing thing about this is the potential to actually kill dust mites. Dust mites are about 30 microns in size, and live anywhere humans shed skin, which is pretty much anywhere humans live. Many people are allegic to chemicals in dust mite feces. Up until now the only thing we could do about them was to try to vacuum often to pick up skin flakes (i.e. food), and to pick up the feces before they become airborne. It was pretty much accepted that these guys would continue to live. If, and that's a big if, this vacuum actually kills them in the carpet, the mattress, etc, you could eliminate the feces altogether. I do agree that to the extent the dust mites are not on the surface, the light may not reach them, and that if the light doesn't reach them, it won't kill them.

At this point, I see the possibility that this device could be a significant benefit to people allergic to dust mite feces, but also the possibility that it will do nothing useful at all. It will be interesting to see field tests of it by allergy sufferers to see what happens in the real world. That, to me, is the ultimate test.

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guess_who

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Re: Halo
Reply #22 - 06/13/07 at 2:59pm

If dust mites pose a noticable influence on individual allergy sufferers' state of well-being . . .

One -- I'm told that there are "additives" that you may use in hot water extraction carpet cleaners that may help to reduce the problem. Nonetheless please note that if persons in mention are also "chemical sensitive" this idea wuld not prove useful in that it would creat a problem in the process of solving one.

Two -- dry vapor steam cleaners use the high heat of steam to kill bacteria and certain organisms and should do no harm to common fabrics . They should be adjusted to apply their heat with a minimum of actual steam production. These devices also can be easily used for dust mite management in regard to mattresses, other bedding and drapes. In this case please note that the application process is a little slow as one dealer suggests moving over carpeting at about one inch per second (with proper tool of course) and over mattresses, etc., at about a half-inch per second. A vapor steam may well be mre practical to try as it uses pure steam and no chemicals. I would also say to look around for quality plus good price -- they can be pricey.

In either case, the chance of a better result is probably more in your favor that the use of a vacuum with a UV bulb.

Regards,

Venson

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old-timer

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Re: Halo
Reply #23 - 06/13/07 at 7:46pm

Hi vacuum people,after looking at the halo specs,it looks like a pretty nice machine ,I imagine the uv c set up looks good on paper and in the tests conducted probally works to a certain level. It will have to be field tested in real life applications in real home and commercial enviroments.I would say that the 399.00 price is with in reach of the common vacuum consumer.The only problem down the road is would excessive vibration out of the motor , brush rollor vibration cause the bulbs to fracture and fail,hence just making it a regular upright vacuum?.

time will tell......

I also must say that im rooting for these young group of people for trying something new.With all the time and effort put in, and money, Ihope it pans out for them.

O.T.

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