The Total Comfort System - Nuts and Bolts:
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These are some presentations, discussions and interactive applications for designing various sub systems for radiant based HVAC systems.
 

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Sample slides from our integrated design program:

Indoor Air Quality Theory Radiant Theory Exergy Building Science for Cold Climates Heat Terminal Units Components, Modules and Systems Pressure Theory Control Valve and Balancing Theory Circulator Theory and Selection Control Logic Theory Snow Melting: Storm Data and Heating Loads Embedded Pipes in Concrete

Table of Contents (items marked with * are presentations from our archives and have been since updated in our new integrated program)
 

Completed

Under development

3 Way Valves
4 Way Valves

Air Separator Theory*

Architectural Details
ASHRAE Radiant Design Graph
Boilers
Circulator Flow Theory*
Circulators/∆p Theory *
Control Signal Theory*

Control Valve Theory*

Copper Pipe

Dedicated Outdoor Air Systems
Differential Pressure Theory
Expansion Tank Theory*
Expansion / Air Separation
Fluid Flow and Velocity Theory*
Head Loss Theory*

Heat Exchanger Theory
NRC's IA-Quest VOC Simulator
Panel Radiators
Pipe/Velocity Theory*

PEX Pipe

Pressure Fill Valves
Pressure Bypass Valves

Psychrometrics

Radiant Equipment Part I
Radiant Equipment Part II
Radiant Cooling and Heating
Psychrometrics for Radiant Cooling

Snow Melting General
Snow Melting Theory*

Static Pressure Theory
Zone Valves vs Pumps

Under slab Insulation

Typical Schematics
IAQ VOC Simulation

Walls and Slabs for Cold Climates

Windows for Cold Climates

Accessories
Air Handlers

Chillers

Electronic Controls

Exhaust Fans

Heat Exchangers

HRV/ERV

Humidifiers
Manifolds, Accessories

Safety Valves

Thermostatic Controls

Heat Pumps
Solar

Communicating Skills for Designers
Six Simple Rules for Designers