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Manual J - Residential Load Calculation, 8th Edition - Full Version
MJ8 produces equipment sizing loads for single-family-detached homes, small multi-unit structures, condominiums, town houses and manufactured homes. T…
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Manual D - Residential Duct Systems
Design a residential duct system in less time with the streamlined Manual D duct procedure. The newly released Manual D has been significantly revised…
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Contractor Exam Calculator
The Material Estimator is one of the few calculators allowed in the exam and is designed for contractors, trades people and estimating professionals w…
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