Chapter hvac engineering Fundamentals: Part 1 Introduction

Particular codes are sufficiently diverse in their adoption and im-
plementation that it is unwise for this book to list any specifics. The
HVAC system designer should simply know that life is not without
constraint; that systems will conform to codes, or else a permit to build
and use will be denied; and that willful violation of codes by the de-
signer is done only at great personal risk.
The recommended practice for every HVAC design assignment is to
make an initial review of the locally enforced codes and regulations,
to become thoroughly familiar with the applicable paragraphs, and to
religiously follow the prescribed practices, even though such an ap-
proach seems to stifle creativity.
Occasionally code constraints seem to violate or interfere with the
objective of a construction. At these times, it is often possible to re-
quest a variance from the authority. There is no guarantee of accep-
tance, but nothing ventured, nothing gained. Good preparation gen-
erates hope and understanding, and differentiates you from the
unending stream of charlatans who seek to sidestep codes and regu-
lations for personal financial gain.
HVAC Engineering Fundamentals: Part 1
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