UV-C Light

Dave again I have no idea what your talking about, the website that you list is a company selling coatings for aluminum. Of course it will not "scour", but I would like to see some photos of you getting an implement into every single little fin and penetrating deep enough to "scour" each individual one with elbow grease. The UV-C will keep the coil clean from containments that are in the fouled air and will not allow mold to grow, thus lowering the restrictions on the air flow.

Reply to
Home Enviro Health Specialists
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Dear Home Enviro Health Specialists:

On Jun 7, 12:56 pm, Home Enviro Health Specialists wrote: ...

The graphs are reflectance of *aluminum* (and other metals) at different wavelengths. UV-C is indicated as in an area that "falls off". Which means that aluminum does not reflect, but scatter... a whole different (and lossy) process.

Your UV is not doing this either. Your generated ionized atmospheric species may be.

It is not the UV on these interior surfaces, it is the ionized atmospheric species (ozone and NOx) that is "trying" to keep the surface clear.

In general, ionizing radiation does not reflect, as you claim. You should not do that.

David A. Smith

Reply to
dlzc

We install the Sanuvox pretty regularly. IMHO it is the only one that is effective. I am not quite sure what the two UV spectrums do (UV-V & UV-C).

I just had to go to a call where one of my techs installed the Sanuvox where the filter could see it. IN less than three months it ate through a 3M pleated filter. I am having them go back and install it further into the crawl space, where the return starts.

I have been using Sanuvox for many, many years. Customers that have them love them, and have noticed a huge difference in their allergies and such while in their home. It may me mental it may be not, but they are happy!

Another down side to stick lights is there ozone creation, which seems to not be a problem with the Sanuvox.

Reply to
Bob Pietrangelo

UV produces very little heat, they operate fairly cool. Well I am not so familiar with that brand (Sanuvox), but Honeywell has a pretty hefty price tag, and two bulbs (more expensive maintenance) are not really needed on a typical residential, light industrial unit, plus they are hard to install in systems that have limited space. And both brands have limited applications.I you place it on the return air (not as effective), you will only be treating that, you will continue to blow the microbials in on the downstream side. Your have to be careful when you install UV in in between the pre-filter and the filter, if that's where this unit was installed. There are alternative filters (carbon bonded filters, less expensive and more effective) to use if a unit were to be installed there. As to the ozone, not all brands produce (not the ones I have) it and it should be used with discretion. UV is non producing ozone in itself. It would have been better to be on the backside of the coil, on the downstream air. But I am not too sure what the target microbial was, it may have been installed between the filters for a reason.

Reply to
Home Enviro Health Specialists

Dear Home Enviro Health Specialists:

On Jun 11, 4:52 am, Home Enviro Health Specialists wrote: ...

If you have light of 215nm or shorter passing through oxygen- containing gas at less than 390 C, you make ozone. 215nm *is* UV.

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Note also that only low pressure lamps are cool to the touch. Even so, the internal plasma temperature is quite high.

David A. Smith

Reply to
dlzc

Correction:

241nm (which equates to the published 5.13eV necessary to dissociate O2).

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Reply to
dlzc

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> Note also that only low pressure lamps are cool to the touch. Even

Dave the bulbs are at the 254nm range, they are soft glass, and low mercury content. The lamps that I have do not produce ozone.

Reply to
Home Enviro Health Specialists

A Lamp (coil irradiation) for example is: The V-Mod 36 uses a Philips UV-C Lamp with approximately 9.9 UVC Watts output, at the 254nm range, they are soft glass, and low mercury content and do not produce ozone. Any other information is proprietary to the company, as they do not release the information so our competitors do not try to duplicate the technology.

The company is the North America Distributor for Phlilips.

I hope that this satisfies your request.

Reply to
Home Enviro Health Specialists

Philips make dozens of UV-C tubes.

I have 2 PL-36 in my system. With a custom made steri-kill chamber with a light amplification of *18

Reply to
Chris

Polymer materials suffer degradation when exposed to UV-C, I have some pics somewhere if you like.

in

wrote

Reply to
Chris

Yes Chris I would like to see the pics. Are you referring to filter that are made from polymer? If so you must use alternative filters if you are installing the UV between the pre filter and the coil filter. You might want to install the UV in the downstream air on the backside of the coil.

Thanks

Reply to
Home Enviro Health Specialists

Reply to
Home Enviro Health Specialists

If this is all you got, the answer is no, it doesnt satisfy my request.

I'm one of those types of people who seek all the information on a product thats available before making a choice or decision.

In my area Steril Aire is heavily marketed, primarily because they're also manufactured locally. They have all kinds of nice slick glossy color brochures, but when compared to lets say Sanuvox, there's no comparison.

Why would anybody want to purchase a fixture using bulbs with a life expectancy of 9000 hours when there's bulbs rated at 17,000 hours?

I guess it boils down to the statement, You Get What You Pay For.

Reply to
gofish

Well fish sorry that was not a good enough answer but it does contain all of the information that would be needed to show what the lamps do. I did give you all of the information with maybe the exception of a pin configuration I also referred to the Philips rep. of North America to ask what you wanted and in his opinion that was satisfactory.

Question? How about a 30 day no obligation money back guarantee. The unit would be installed, if the unit does not perform, the unit would be uninstalled, all of your customers money will be returned and it would cost them absolutely nothing. Either the we can swab the coil or use a petri dish prior to the unit being installed, then 30 days later do the same again to see the results.

Sterile-Air is 50% higher on the original purchase price of the units and the replacement lamps are about tripple the cost verses the units and lamps I have.

The lamps I have are rated for 9000 hours at that time the efficiency drops to 80%, the lamp is still good if you do not 100% effectiveness and will last 17,000 hours. Might want to check and see if that is the case on the 17,000 hour lamps or if they will even tell you that the efficiency drops.

I have the nice slick color brochures and then some. Proprietary software, products quotes with a list of materials that are generated from the software,, Installation diagram drawings, layout of lamps placement, plug and play units, safety switches, unit safety design (to be sure that person can't just plug it in and look at the pretty light) access doors, and a diagram that will show every inch of the coils UV exposure. Also a wider range of products that will work for many different application, unlike competitors.

Yes, you do get what you pay for. Ask those company's if they can or will do all of those things.

Reply to
Home Enviro Health Specialists

I manufactured the system and the light amplification steri kill chamber.

It's quartz no ozone, the ozone is absorbed by the NLCA internal coating. DUH

It is a prototype I produced for a joint publication in the Journal of Hospital Infectious diseases and a local university.

in

Reply to
Chris

Reply to
Home Enviro Health Specialists

To minimize the cost of legally disposing of lamps that contain mercury. The only way you get extended life is to oversize the electrodes, dope them with excess rare earth metals, and add excess mercury.

Like the toys shipped from China with lead-based paint. Sooner or later, the piper will be paid.

David A. Smith

Reply to
dlzc

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