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HVAC Design Self-Training Course

Updated: March, 2016

Our HVAC Design Self-Training Course will help you to quickly gain the practical skills in HVAC design of industry scale projects other engineers obtain only after five to ten years of work within a consulting company. Everything you need in one package - Design Software, Study Materials, Assignment Projects, Drawings and more! Electronic delivery!

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Advanced HVAC Training Course

Training Platform: 'Building Energy Retrofit. Basics and Design Process'

Updated: Dec, 2016

New training platform developed in response to the building energy retrofit industry's demand for specialists proficient in creating energy retrofit and renewal projects for commercial and institutional buildings

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Advanced HVAC Training Course

AutoCAD Drawing Library

Updated: Dec, 2016

Sets of mechanical drawings for office, educational and retail building categories. The drawings meet the highest drafting standards acceptable in the consulting services.

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Advanced HVAC Training Course

E-Book 'A to Z HVAC Design for Engineers'

Updated: March, 2016

Learn the secrets of rational, math and sequence practiced by the best consulting companies in Canada and USA, designing air-conditioning systems for commercial and institutional buildings. Electronic delivery in easy-to-read pdf format!

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A to Z HVAC Design for Engineers

'HVAC Engineering Toolkit'

Updated: March, 2016

Unlock the potential for rapid interlinked HVAC systems design with this set of MS Excel coded spreadsheets. Includes the following design tools: 'Design Loads', 'Air Flow', 'Water Flow', ' Comfort', ' Psychrometrics', 'HVAC Computer-Aided Design'

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HVAC Engineering Toolkit

'Design Loads™' MS Excel Module

Updated: March, 2016

This easy-to-use MODULE™  will calculate heating and cooling design loads, size air handling units’ sizes, fans, central and other heating and cooling coils, reheat coils, perimeter radiation, including constant and variable air volume air conditioning systems. Results are presented in printable and easy-to-read tables that can be submitted for permitting.

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Design Loands

'Psychrometrics™' MS Excel Module

Updated: March, 2016

Why struggle with the inaccurate psychrometric charts? This easy-to-use MODULE™ will quickly and accurately calculate for you detailed air properties in a wide range of temperatures!

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Psychrometrics Module

'Thermal Comfort™' MS Excel Module

Updated: March, 2016

Use this easy-to-use module to quickly design a comfortable indoor environment as defined by ASHRAE Standard 52 'Thermal Environmental Conditions for Human Occupancy'

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Thermal Comfort Module

'Air Flow™' MS Excel Module

Updated: March, 2016

Automatically calculates diffuser jet projections, characteristic lengths, throws, number of outlets, ductwork sizing and more. Produces schedule-type outputs. Can be used as a stand-alone tool or integrated with the Design Loads Module™!

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Air Flow Module

'Water Flow™' MS Excel Module

Updated: March, 2016

The WaterFlow Module™ will calculate piping network sizes for you, taking into account piping materials and fluid temperatures of your choice, and provide intuitive and easy-to-read schedule-type outputs! A Thermal Load Calculator™ is also included, calculating thermal loads carried by direct and reverse return piping systems!

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Water Flow Module

'Comfort ™' Design Module

 

Is this MODULE for you?

  • Do you want to make sure that your HVAC system will provide a comfortable environment for the occupants?
  • Are you designing an HVAC system to serve custom spaces that require a special approach?
  • Don't have time to manually go through ASHRAE Standard 55 procedures and lengthy calculations over and over again?

If so, the 'Comfort' Module is your solution.

 

Brief

This MS Excel Module cuts away the need for the designer to manually follow procedures and calculate the lengthy equations that are set out by ASHRAE Standard 55 for predicting indoor thermal comfort. Simply enter your space's design indoor environment conditions (air temperature, humidity, velocity, etc.) and the program will calculate the comfort prediction on the standard -3 to +3 scale.

The 'Comfort' Module lets you properly design HVAC systems for special rooms (e.g. swimming pool spaces with high humidity levels, rooms with all-glass walls that may have low temperatures in the winter, rooms with radiant heating or cooling floors or beams, etc.) while avoiding the time-consuming manual calculations that are otherwise required.

You can also use this Module to check the level of comfort at standard indoor conditions for common rooms (offices, labs etc.) that are otherwise taken without any thermal comfort analysis. This will help you to avoid designing an HVAC system that your clients may be unhappy with.

For the user's confidence, the 'Comfort' Module exposes every stage of the calculations.

 

How the module works and how you should use it

The 'Comfort' Module works in two steps. First, it calculates the mean radiant temperature that represents the radiant heat exchange conditions between the occupant and the room’s interior. Next, the Module accurately computes the occupants' heat balance and quantifies the occupants' thermal comfort.

Click on the thumbnail to see sample calculations of Mean Radiant Temperatures Mean Radiant Temperatures

The 'Comfort' Module uses the calculated radiant temperature to predict the occupant’s comfort level at selected air temperature, humidity and velocity parameters. Change the parameters until the occupant’s response to the selected parameters called 'predicted mean vote' calculated by the module at the bottom of the tab falls into the accepted -1 to +1 range and the percent of the dissatisfied persons is below 10%.

The 'Comfort' Module calculates heat losses (in some literature, referred to as the 'heat gain rates') of the occupant based on the convective, radiant, and evaporation heat balance equations as recommended by the ASHRAE Standard 55-2004.

Should your design criteria result in an unacceptable comfort prediction, simply change the initially selected indoor environment variables until the occupant's response (called "predicted mean vote") falls into the accepted -1 to +1 range and the percentage of dissatisfied persons is below 10%.

The user can also use the 'Comfort' Module to quickly check and quantify thermal comfort of standard spaces that are usually designed by engineers by using rules-of-thumb rather than procedures set by ASHRAE Standard 55.

The E-Book 'A-to-Z HVAC Design for Engineers' elaborates on the selection and assessment of thermal comfort conditions.

 

Click on the thumbnail to see sample calculations of Thermal Comfort Prediction of Thermal Comfort

 

 

Comfort Module

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