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  • Heating, Cooling and DHW using Combination Systems

Heating, Cooling and DHW using Combination Systems

  • 01 Mar 2021
  • 6:00 PM - 7:30 PM
  • Zoom Webinar
  • 414



Heating, Cooling and DHW using Combination Systems

ASHRAE Toronto invites you to join us for a webinar about developing your technical skills and becoming the best version of yourself.

Event Summary

Tankless water heaters (and boilers) are the most flexible appliances to deliver exceptional heating results in today’s homes. Consider: a forced air heating system with a maximum heat load of 25,000 btu/h is being designed for a new home. Which appliance would be most efficient at delivering that forced air heating, a 98% AFUE, 60MBH 2-stage furnace with a 1.4:1 turn down ratio OR a 95% AFUE 60MBH boiler with an 8:1 turn down ratio combined with a high efficiency air handler? If you said boiler with a high performance air handler, you would be 100% correct. In this session, we’ll explore the whys and hows of a combination system.

Highlights of what will be covered:

  • Relevant ANSI/ASHRAE Standard 124 (RA16)
  • Lack of advancement due to technology ‘silo’ing
  • Outperformance of combi-systems over Energy Star rated, 98% AFUE mod/con furnaces (Why & How?)
  • The extreme power of full modulation (gas burner, CFM and flow modulation)
  • Types of combi-systems (with tankless, boilers, combi-boilers, heat pumps, solar, etc.)
  • Installation of combi-systems



Steve Bagshaw

Sales at iFLOW HVAC Inc.

Steve has been focused on the P/HVAC industry in North America for the last 19 years with extensive experience in providing DHW & heating solutions using tankless water heaters and boilers as heat engines.

Registration within 24 hours of the event start time cannot be guaranteed due to technical reasons.

Cost: Free for Toronto Chapter Members

$5 for Participating Region 2 Chapters Members

$10 for Non-Members

Date: Monday - March 1st, 2021

Where: Online Webinar

Start Time: 6:00 pm

If you are a member of one of the participating chapters, you can acquire the special access code through your chapter. You MUST register here using your chapter-registered email and name. We will use this information to verify your membership, and failure to verify membership in the participating chapter will void your registration without refund.

Need Assistance?

Feel free to contact:

Amira Musa

ASHRAE Toronto CTTC Member


Ahmed Abdel-Salam
ASHRAE Toronto Technical Program Chair


ASHRAE Toronto Chapter | 2350 Matheson Blvd. East #101, Mississauga ON L4W 5G9

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This web site is maintained by the ASHRAE Toronto Chapter of ASHRAE. It does not present official positions of the Society nor reflect Society policy. ASHRAE chapters may not act for the Society and the information presented here has not had Society review. To learn more about ASHRAE activities on an international level, contact the ASHRAE homepage at http://www.ashrae.org.
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