Delaware/Philly area HVAC sub recommendations?
Does anyone have any recommendations for a competent HVAC sub in the south Philly/northern Delaware area?
Looking for one who can do Manual J & S calculations using actual data as inputs (rather than data that will get them the results they want) and can do a quality install.
GBA Detail Library
A collection of one thousand construction details organized by climate and house part
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Bump. ANYONE?