A good HVAC cheat sheet

I Hope this helps


Good stuff, thanks Gary!

You the man Gary. Already in my reference binder. Thanks.

Thanks Gary. That’s goin into the briefcase and tool case.

Thanks Gary!! Thanks for sharing . . . that’s what this board is all about.

awesome, thanks

Thanks Gary, that is helpfull for the older units that we see.

Thank you Gary. Extremely helpful!

Thank you for the information!

Always good to get good information. Thanks