Earning the Infiltration and Duct Leakage (IDL) certification is a simple, comprehensive, and affordable way for builders, remodelers, HVAC, insulation, and other contractors to gain the skills needed to offer duct leakage and blower door tests, in compliance with IECC codes for new home construction or existing home remodels.
Suggested because Infiltration and Duct Leakage applies to Heating, Air Conditioning, and Refrigeration Mechanics and Installers. Confirm with the school that its curriculum covers this exam.
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