HVAC Systems Encyclopedia

A comprehensive encyclopedia of heating, ventilation, and air conditioning systems

Domestic Hot Water Distribution

Sections

Swing Return DHW Recirculation Systems

Technical analysis of swing return recirculation systems using cold water lines as return paths, including flow dynamics, check valve requirements, and code compliance.

Manifold Distribution Systems for DHW

Comprehensive guide to manifold distribution systems for domestic hot water, covering parallel flow calculations, pressure balancing, and PEX homerun piping configurations.

Series Loop Distribution Systems

Series loop DHW distribution systems provide continuous circulation through fixtures arranged in series. Analysis of temperature drop, pipe sizing, heat loss, and comparison with parallel configurations.