Information on ultraviolet lighting for coil cleaning can be found in a recently published article in Engineered Systems magazine and this article written by Roy Underwood with Sentry Ultraviolet, Inc. Briefly, ultraviolet radiation in the “C” wavelength range (UVC) has been used to irradiate dirty air handling system components to deactivate microorganisms on the coils …
“SICK BUILDING SYNDROME” This new GREEN product from Roy Underwood, N.D. is his latest design to purify any vent that emits carbon gases that cause smells and odors. This product also eliminates pathogens coming from sewage vents that emit viruses and bacterium that are harmful to the indoor environment. This new patented design is the …
Tracing back the history, the Aztecs 1,000 years ago have been using raft to plant their crops and let it sit on the lake. The concept has been used again not until these days, where fishermen are trying to grow crops and plants with this method to keep them from being dependent to the land. …
This bacterium has plagued plant growers for years and up until now the only option was chemicals. Chemicals are not necessarily bad when kept in check. However, this is very difficult to do when you have thousands of acres of plants that need water often. The EPA has started to enforce laws for the use …