Includes pre printed tabs fro the following books:
International Mechanical Code, 2012
Manual J - Residential Load Calcs, 8th Edition
International Fuel Gas Code, 2012
Pipefitters Handbook, Forrest R. Lindsey, 1967, 3rd Edition
Modern Refrigeration and Air Conditioning, 22nd Edition
HVAC Duct Construction Standards, Metal and Flexible, 4th Edition 2020
Ugly's Electrical References
Carrier System Design Manual Part 3 - Piping Design
Code of Federal Regulations - 29 CFR Part 1926 (OSHA),