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Presenter: Allison A. Bailes III, PhD

Seminar Date:

Seminar Location: Online

Register Now * Coordinator Registration Not Available.


Wednesday, September 9, 2020

Webinar instructions will be emailed close to the date of the webinar
Log into Webinar :               8:00 - 8:30 am CDT
Morning Session:                8:30 am - 12:45 pm CDT
Lunch (On your own):         12:45 - 1:15 pm CDT
Afternoon Session:             1:15 - 4:20 pm CDT

HVAC Design for Healthy Homes

   Healthy homes principles
   Residential HVAC design protocols: ACCA Manuals J, S, D, and T
   Manual J overview
   What is heat?
   Principles of heat transfer
   Sensible and latent heat
   Heat transfer equations

Calculating Room-by-Room Heating & Cooling Loads

   Indoor and outdoor design conditions
   The health impacts of relative humidity
   Unconditioned and conditioned spaces
   Dividing the house into zones
   Building enclosure details
   Internal loads

Understanding Heating and Cooling Load Calculation Results

   Residential heating and cooling equipment choices
   Manual S overview for forced air heating and cooling equipment
   Selecting cooling equipment – air conditioner or heat pump
   Sizing systems and using variable capacity systems
   Getting the right air flow
   Using manufacturers’ expanded performance data

Selecting a Furnace

   Balance point and supplemental heat for heat pumps

Review of Manual J and Manual S Procedures

   Manual D overview
   Single and multiple zone systems
   Laying out the duct system for healthy air flow
   Static pressure and velocity pressure 
   Total external static pressure
   Available static pressure

Air Resistance in Ducts and Fittings

   Equivalent length of fittings
   Total effective length of the critical path
   Friction rate
   The effect of air velocity

Manual T Overview

   Sizing registers and grilles
   Cleaning the air with high-MERV filters
   Mechanical ventilation for a healthy home

Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion will be provided for each webinar attended and will be sent via email in PDF form about five business days after the conclusion of the series.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements: 
Windows 7 - 10 or Mac OSX Mavericks (10.9) - macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection:
 Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at www.gotowebinar.com

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Contractors

Professional Engineers
     7.0 PDHs

     7.0 HSW CE Hours
     7.0 AIA LU|HSW

International Code Council
     .7 CEUs (Building)

Continuing Education Credit Information

This webinar offers 7.0 PDHs to professional engineers and 7.0 HSW continuing education hours to architects in all states.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), North Carolina (S-0130), and North Dakota. HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 7.0 LU|HSW (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The International Code Council has approved this event for .7 CEUs in the specialty area of Building (Preferred Provider No. 1232).

Completion certificates will be awarded to participants who complete this event and earn a passing score (80%) on the quiz that follows the presentation (multiple attempts allowed).


Allison A. Bailes III, PhD

Allison Bailes founded and runs Energy Vanguard, a small firm that does residential HVAC design, building science consulting, training and quality assurance. He also writes the Energy Vanguard Blog, which gets millions of views each year. Mr. Bailes has built a high- performance home out of structural insulated panels, run a home performance company and worked as regional manager for the EarthCraft House green building program. Having earned a PhD in Physics from the University of Florida, he has a strong background in the growing field of building science. He is on the board of directors for the Passive House Institute US (PHIUS), and he is a member of ASHRAE. Mr. Bailes is a juggler and a skier as well as having the honor of being the only man included in Who’s Who of American Women.

Tuition Costs:

Standard Tuition: $299.00
Online Tuition (pre-registration): $299.00
Group Prices
3 or more people each: $199.00

Each registration includes one copy of a manual prepared by the seminar speakers.

AIA Info:

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Healthy HVAC Design Primer for Residential Building Professionals

Delivery Method: Live Online

Course Description: This course examines methods, calculations, and equipment options to provide residential heating and cooling while maintaining indoor comfort and air quality that reduce chances for disease transmission.

Learning Objectives:

Learning Objective 1:
Learners will be able to explain healthy home principles and how they are achieved through the HVAC recommendations found in ACCA Manuals J, S, D and T.

Learning Objective 2:
Learners will be able to calculate room-by-room heating and cooling loads for residential homes and describe how homes can be divided into zones for heating and cooling needs.

Learning Objective 3:
Learners will be able to use heating and cooling load calculations to understand residential heating and cooling equipment choices and to make system sizing determinations that will achieve and maintain proper air flow.

Learning Objective 4:
Learners will be able to reference and comply with ACCA Manuals J and S procedures for single and multiple zone systems, laying out duct systems, and maintaining static pressure.

Learning Objective 5:
Learners will be able to reference and comply with ACCA Manual T requirements for sizing registers and grilles, air cleaning with high-MERV filters, and mechanical ventilation for healthy homes.

LUs: 7.0                                                                                              LU Type: LU|HSW

Prerequisites: Familiarity with residential HVAC systems

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 06/26/2023

Complaint Resolution Policy:

Complaints regarding this course can be emailed to doug@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.