GBA Logo horizontal Facebook LinkedIn Email Pinterest Twitter Instagram YouTube Icon Navigation Search Icon Main Search Icon Video Play Icon Plus Icon Minus Icon Picture icon Hamburger Icon Close Icon Sorted

Community and Q&A

What ton AC unit do you use for a residential house measuring 3,500 sq. ft.?

Tirso Torales| Posted inGeneral Questionson

Have an inspector who told me i have to have post manual J calculations for the house, and i need some help!,

GBA Prime

Join the leading community of building science experts

Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field.

Replies

  1. GBA Editor
    Martin Holladay||#1

    Tirso,
    Your building inspector is right. If you don't know how to perform a Manual J calculation, you'll have to hire an energy consultant or a HERS rater to perform the calculation for you.

    Here is some more information on Manual J calculations and cooling load calculations:

    Saving Energy With Manual J and Manual D

    Calculating Cooling Loads

Log in or create an account to post an answer.

Community

Recent Questions and Replies

  • |
  • |
  • |
  • |