Does Green Exist in a Vacuum?
June 25, 2008 by Grant Olewiler, M.D. Manufacturing, Inc.
Copyright 2008 M.D. Manufacturing Inc.
Not to be reprinted without written permission
How long will consumers accept the barrage of media addressing the Green initiatives? Will it be a passing marketing fad or is this a sustainable trend that you need to pay attention to?
Most central vacuum retailers recognize the basic green arguments of the trade but can they truly formulate a logical argument as to the true green aspects of a central vacuum? Hopefully this article will delineate many new aspects not previously considered.
There appear to be three separate thrusts of the “Green” marketing with a considerable amount of overlap between them. The first aspect would be the actual reduction of energy consumption by using a central vacuum over a conventional portable. Is less energy expended over time? Secondly, what are the true health aspects that are increased by cleaning with a central vacuum? Does this truly add to a healthy home? And third, do the manufacturers actually produce the products adopting an Environmental Management System (EMS) in their factory and are the dealers continuing this effort?
“A Consumer Electronic Association (CEA) survey of builders conducted in 2007 found more than three-fourths, 76%, of builders offered central vacuum systems to their buyers in 2007. It followed an NAHB (National Assn of Home Builders) study in 2006 that showed central vacuum systems were installed in 30% of new luxury homes and almost one-fifth of ‘move up’ homes.”1 Sara Gutterman , CEO of Green Builder Media eNews states that the current economic climate has caused builders to replace the “predictable set of luxury upgrades” with energy saving “healthy materials to enhance indoor environmental quality…”2 At the recent National Green Building Conference in New Orleans in May it was presented that the residential green building market would reach $12 to $20 billion this year with 40% of builders thinking that green building helps them market their homes in a down market.3
This issue is not a fad that will soon pass but rather a serious opportunity for central vacuums to finally achieve their deserved position in the modern household. Even the ASTM International committee on vacuum cleaners is addressing the issue, investigating areas in which energy management standards for vacuums might emerge.4 The industry has even gained recognition in the National Green Building Standard awarding 5 LEED® (Leadership in Energy and Environmental Design) points toward homes containing a central vacuum system.5 (Requires 108 Points to become Platinum Certified.)
So how do central vacuums achieve these energy savings? Consider the following: The average portable vacuum might operate on 1000 watts of power whereas a central vacuum might use 1500 watts. Based upon current electrical rates6 a portable costs $.15 per hour to operate with central vacuums at $.25 per hour. But the savings is achieved in two particular manners.
Syndicated columnist James Dulley writes, “the energy-saving advantage of using a central vacuum cleaner is the fact you probably will have to vacuum less often. Since dust and dirt are captured in the central power unit located in a garage, utility room or basement, none blows through the filter and back into the room.”7
First, most central vacuums have 2-3 times the cleaning power of portable vacuums. This deep down cleaning accompanied with the versatility to reach areas more quickly actually reduces operating time to clean the room. Secondly, the central vacuum evacuates all germ-laden air and dust from the room. The portable vacuum is forced to redeposit the air back into the same room environment and microscopic particles have passed through the filtration system. The user sees this in a ray of sunlight or in the accumulated dust that settles on the drapery or furniture. This requires additional cleaning time and possibly more electrical energy consumption.
Operating a central vacuum on a hot day would also be better on your utility bill than a portable vacuum as the heat-generating motor(s) is located out of the living area thus not requiring your AC unit to work as hard. Conversely it could be said that a portable vacuum could actually contribute to heating your home in the winter but this factor is quite negligible.