Monitor your filter changes more effectively by dating the filter whenever you replace it
Commercial Lennox mutli-furnace installation
WETT is a a national standard that is now applied to all wood-fired installations. WETT is an acronym for Wood Enengy Technology Transfer, a non-profit association that promotes the safe and effective use of wood appliances. WETT certified inspectors have taken a comprehensive week long course and are required to maintain their certification by way of an upgrade course every five years.
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