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looking to take the hvac NC contractor test. Are there any good site that discuss acca manual d?

by on Friday, February 5th, 2010 | 1 Comment

I have manual j down pat, but i never did understand manual D the duct design. Im looking for a website to try and learn this once and for all.
also seeking a site dealing with the business section of the nc state test.

thanks in advance

Tags: acca, Contractor, discuss, Good, Hvac, Looking, Manual, Site, Take, Test, There
Posted in Home Repair

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