First timer here

[W H Brown]

Greetings From Minnesota,
I need help in doing a self home heat/cold audit. sheet rock was put on over 35 years ago, we bought 32 years ago so we have no clue. Do we need to cut a hole in the sheet rock ???
Thanks
Bill Brown

[Marc M]

Greetings From Minnesota,
I need help in doing a self home heat/cold audit. sheet rock was put on over 35 years ago, we bought 32 years ago so we have no clue. Do we need to cut a hole in the sheet rock ???
Thanks
Bill Brown
You trying to verify insulation?