Online educational resource on achieving indoor environmental quality with radiant based HVAC systems
Not for profit educational resource on indoor environmental quality.
 Site established in 2004
Fundamentals of indoor environmental quality / thermal comfort and air quality solutions using radiant based HVAC

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Popular Topics
Academic Scores due to IEQ
Advice for Consumers: Radiant
Aging: Thermal Comfort & IAQ
ASHRAE 62.2 2011 vs. 2013
Bathroom Fans: Renovation
Being an Engineer
Bibliography: Radiant/Comfort
Bibliography: Indoor Air Quality
Budgeting: Indoor Climates
Budgeting: Design Services
Building Efficiency Categories
Building Enclosures, Part I
Building Enclosures, Part II
Building Orientation
Built to Code: Means what?
Building Science w/ SEM

Concrete & Embedded Pipes
Comfort: A Condition of Mind
Conduction Animation
Consulting Services (ICCI)
Control Valve Theory
Convection Animation
Dedicated Outdoor Air System

Design: Before You Start
Design: Downward heat loss

Design: Sample Commercial
Design: Sample Residential
Design: Sample Schematics
DIY HVAC
Duct Tape: Not for Ducts
Earth Tube Heat Exch.'s
Effectiveness Coefficients
Efficiency: Boilers
Energy/Exergy Efficiency
Engineers: Do I Need One?

Engineers: Residential Fees
Embedded Pipes in Concrete
Ergonomics & Productivity
Exergy & Sustainability
Exposome: An Introduction
Filter Fist-a Cuffs
Floor Temperatures
Flooring R values
Flooring and Boiler Efficiency
Forensic Services
Health and HVAC systems
Heat Transfer: Introduction
Heat, Air, Moisture Modelling
Heated Hardwood Flooring
History of Radiant Heating

History of the HRV/ERV
Human Factors
Human Thermal Plume
Humidity & the Environment
HVAC & Energy Efficiency
HVAC Does Not Equal IEQ
Hybrid HVAC Systems 
Hydronics:Codes & Inspections
IAQ Health Diagnostics
IAQ Investigator
IAQ VOC Simulator
IEQ and Energy
IEQ and Health
IEQ and Productivity
IEQ Research
IEQ Self Assessment Form
Indoor climate system scores
Infiltration
Integrated Design: Project Ove
Integrated Design: illiteracy
Kitchen Range Hoods
LED Lights & Lamps
Lifetime Housing
Mean Radiant Temperature
Moisture Monitoring
Operative Temperature
Passive Heating
Paying for Downgrades
Radiant Animation
Radiant Based HVAC Guide
Radiant Cooling, Introduction
Radiant Cooling, Projects
Radiant Cooling, Calculation

Radiant Cooling Systems, Pt 1
Radiant Cooling Systems, Pt 2
Radiant Cooling Systems, Pt 3
Radiant Cooling Systems, Pt 4
Radiant Cooling Systems, Pt 5
Radiant Cooling Systems, Pt 6
Radiant Design Guide Level 1
Radiant Design Guide Level 2
Radiant Design Guide Level 3
Radiant Enables Efficiency
Radiant Facts and Myths
Radiant Flooring Guide
Radiant Gone Wild
Radiant History, 1868 A.D.
Radiant History, 1500 B.C
Radiant Mistakes to Avoid
Radiant Theory
Radiant Tube Depth: Effects

Radiant Walls for Retrofits
Radiation Pressure of Light
Radon
Reflective Insulation: Myths
Six Rules for Designers
Snow Melting Storm Data

Solar
Sustainability
Temperature Indices
Temperatures: Inside Surfaces
Thermal Comfort
Thermal Comfort Calculator
Thermal Comfort & IAQ
Thermal Comfort: Principles
Thermal Comfort: Endocrine
Thermal Comfort: Perspective
Thermal Comfort Survey Part I
Thermal Comfort Survey Part II
Thermal Manikins: Research
Thermography
Thermostats: Setback
Thermostats vs Skin Sensors
Toxic Homes (CARP)
Transient Soil Temperatures
Under slab insulation
Validating Designs
Water Heater Efficiency
Water Heaters as Boilers
Windows for Cold Climates
Walls for Cold Climates
Zoning a Building Guide

Energy & Indoor Environmental Quality - News

Here's where and how you can participate in our fall educational programs.


Historical figures in indoor environmental quality, Hippocrates, Vitruvius, Nightingale and Galton

Since the times of Hippocrates, Vitruvius, Nightingale and Galton, the health sciences and building sciences have studied energy and indoor environmental quality.


Do you really know what thermal comfort is?Thermal plume courtesy of Prof. Gary Settles (PSU)
Image Credit:© Dr. Gary Settles

The fundamentals of thermal comfort Using thermography to show the thermal signature of baby on a cold floor
Image Credit: ©Dr. ArthurTucker/SPL

Room thermostats vs your own thermostats
Over 160,000 thermal sensors versus a $20 thermostat...can you see the problem?
Image Credit: © Martin Dohrn / SPL

What makes a building comfortable?
A study in mean radiant temperature
Finite Element Analysis of two wall assemblies. Image credit © Bean / Posey.  Blue is the outer surfaces. Notice the cold penetrating the wood stud in the bottom image but not in the top image.

How will your indoor climate system score?
Where will your indoor climate system score?

Building sciences: Scanned electron microscope (SEM) images of materials of construction 

2014 Radiant Flooring Guide2014 Radiant Flooring Guide

365 Day Transient Soil Temperature Analysis
Finite Element Analysis of hourly temperatures around a foundation in Calgary, Alberta

Now available: Slides for Oct. 9th, 2014 Energy Expo Minnesota Chapter of ASHRAE

Now available: Slides for Aug. 26th, 2014 Webinar by BDC and Uponor.

Coming Up
IAPMO Technical Committee meetings in Ontario, California, USA
CIPHEX West in Calgary, AB. Canada
HRAI Radiant Design Certification Course in Edmonton, Ab., Canada


Important Consumer Bulletin
Joint statement by Canada's HVAC Trade Associations on the quality of designs, installations and inspections of residential HVAC systems.


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Definitions
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Conference Slides
B4 Conference Wisconsin 2014
ASHRAE New York 2014 Slides
ASHRAE IAQ 2103 Slides
Comfortech / RPA Slides
ASHRAE Denver 2013 Slides

Pathways2Sustainability Slides
CIPH Calgary 2013 Slides
ASHRAE San Antonio 2012 Slides
 

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Indoor Air Quality/Images
Air Filtration
Allergens Up Close
Arsenic
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IAQ Investigator
IAQ VOC Simulator
Lead
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Microbes

Particulate Matter
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Awards

The Carlson - Holohan Industry Award of Excellence


Building and IEQ Wisdom
28 bits of wit, wisdom & witticisms

“…a rational calculation of heating and air-conditioning systems must begin with the conditions for comfort…”
Prof. P.O. Fanger

"Current building codes do not specify criteria for IAQ; they simply mandate the capacity of the ventilation system"
National Research Canada

Other Resources

Indoor Air Quality @ Home
Quotes on IEQ
Suggested Resources
For the kids
Indoor Air Quality 
IAQ Research Resources

 

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