Difficulty: Easy
Instructions
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Step 1
The first thing you need to understand is that a central vacuum system is "Green" by it's very nature and there are only a couple small differences that make one central vacuum "Greener" than another.
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Step 2
The first thing to look for is a venting option. Venting a central vacuum to the outside is the only way to assure you are improving your indoor air quality. By venting the vacuum all contacted dirt, dust and allergens are completely removed from the living area and vented outside the home.
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Step 3
Second you will want to make sure the central vacuum has a bagless design. This will lessen the impact on landfills and help save trees. You will also want to make sure the filter is permanent or washable for extended life.
