Manual T: Air Distribution Basics for Residential and Small Commercial Buildings is published by ACCA. Manual T provides a comprehensive guide to correctly selecting, sizing and locating constant volume supply outlets and return inlets. It discusses floor, low-side wall, high-side wall and ceiling outlets. This manual replaces ACCA Manual E: Room Air Distribution Considerations. It includes all of the information previously published in Manual E, plus a considerable amount of new material.

Manual T shows you how to prevent drafts and stagnant air problems caused by improper sizing or incorrect equipment selection. It shows you, in step-by-step detail, how to select, size, and locate the supply air diffusers, grilles and registers, and return grilles. It gives you examples of how to use manufacturer's comprehensive performance data, calculate pressure losses and control noise.

This manual replaces ACCA Manual E: Room Air Distribution Considerations. It discusses floor, low-side wall, high-side wall and ceiling outlets. It includes all of the information previously published in Manual E, plus a considerable amount of new material.