Your HVAC Contractor Is Required to Do a Manual J. Almost Nobody Does.
A manual j load calculation is mandatory under New York code, yet most Long Island heating replacements skip the hvac load math. Here is what to ask for.
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2 articles about manual j load calculation
How to Size an AC System for Your Long Island Home
A plain-English guide to AC sizing on Long Island: how tons and BTUs work, why online calculators are a starting point, and what a Manual J gets right.
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