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Six manufacturers...two Australian (where the product seems to have been conceived in the late ‘80s), plus two U.S. and two Canadian firms are all hotly chasing sales in what seems like a fairly lively enviâ€" I uP PPE ERTOTTY L1 wycl PEEOSL Tubular skylights or "light pipes" be sure to purchase a product are reflective tubes that carry light which seals property both outside from above the roof of a home and inside to minimize the transtfer down into dark rooms or recesses. o# of moistureâ€"laden air," Phillips said. The basic components include: While relatively new, these "You can‘t eliminate the appearâ€" * A clear plastic dome on the devices are remarkably effective. ance of a few drops in the lower roof that admits sunlight. Tests performed at the University of _ dome at night from time to time as * A reflective tube that carries Calgary showed that a fourâ€"foot the house cools off but with proper the light down into the home. light pipe transmitted 84 per cent design and installation these will * A ceilingâ€"mounted light diffuser . of the light entering through the be minor and evaporate in the that distributes light into the target top. Even with six feet of tube, the morning." room. reflective surface transmits 73 per it is also of interest to note that Six manufacturers...two Australian _ cent of the entering light.(Those animals reportedly become quite (where the product seems to have values are for the tubes only; the relaxed in a natural light environâ€" been conceived in the late ‘80s), upper dome and lower diffuser of a _ mentâ€"something that maybe we plus two U.S. and two Canadian complete assembly reduce total humans should heed. firms are all hotly chasing sales in transmission by about 50 per cent). what seems like a fairly lively enviâ€" While they don‘t provide a view like Information for this artice supâ€" ronment. conventional skylights, they supply _ plied by Solar Energy Society of The Canadian firms both located _ an impressive amount of ifluminaâ€" Canada and Energy Design Update. in Calgary, are SunScope from Sun tion, do not generally suffer conâ€" For further information call SESCI at Industries and Sun Lite from Patterâ€" _ densation problems, and allow less (613) 523â€"0974 or SunScope at (800) Every now and again a product So far, the only independent testâ€" emerges and people say, "I‘m kind _ ing seems to have been carried out ofumzedmisham‘tbeenpopda in Canadaâ€"the Alberta Research for 50 years already," which is Council working with Patterson exactly what Alberta Research â€"Industries, while the University of Council product design engineer, Calgary tested SunScope. Scott Phillips has to say about one of the newer trends in indoor light Kn ing...tubular skylights. Since 1990, a multiâ€"million doliar market has developed around the production and marketing of short se devices for the delivery of roofâ€"capâ€" i tured sunlight into a whole host of home, office, farm and industrial y me 4 4 â€"a .'”‘ » an impressive amount of illuminaâ€" tion, do not generally suffer conâ€" densation problems, and allow less heat loss during winter and less Locks winter foot uy for the oummgr, "" * N33 192° Tok 31 3“ Rzo 3 6" Lighweight and easy to install. _ 14 3/4" * 47" (57.8 4. f.) 15" x 57 Soundâ€"proofs and is nonâ€" _ ommetnatttttes _ 330/50630 A7llM'.u.,ld.lmNn..MiOuMm Streot, Kitchoner Tol. 743â€"1404 Fax: 7430784 it is also of interest to note that animals reportedly become quite relaxed in a natural light environâ€" mentâ€"something that maybe we humans should heed. For solar enthusiasts, the results confirm once again how abundant is the energy available in sunlight. Tests performed at Alberta Research Council indicate that at noon on a sunny December day in southern Canada, a 13â€"inch diameter tube generates a brightness underneath equivalent to a 700 watt incandes cent buib...in June 1,200 watts, These estimates are based on actual measurements, but will obviously vary widely with sky conditions. If this technology has a concern, it is condensation. "The buyer must be sure to purchase a product which seals property both outside and inside to minimize the transtfer of moistureâ€"laden air," Phillips said. "You can‘t eliminate the appearâ€" ance of a few drops in the lower dome at night from time to time as the house cools off but with proper design and installation these will be minor and evaporate in the solar heat gain in summer than sky 182 Weber St. N. Waterioo {Just south of Ursversity Ave ) Just gardening ... BUY 1 get a second of equal or lesser value for Stock up now on Werpwoop Aoponesive Propucts " x §7" (490.0 sq. ft.) SALE ENDS SAT. NOV. 2796 _ â€"= /7/ j 31 610 *J