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COMMERCIAL & RESIDENTIAL
HEATING, VENTILATION & AIR CONDITIONING DESIGN
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3D CAD MODELLING
HRAI Right-Suite® Universal software, Right-Cad, HOT2000
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COLLABORATIVE APPROACH
WORKING CLOSELY WITH ARCHITECTS, CONTRACTORS, INSTALLERS & INSPECTORS
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Catlin Homer and Associates

Catlin Homer - BCIN HVAC Designer 

HRAI and HVAC Designers of Canada certified
More than a decade designing HVAC systems
Licensed gas fitter/sheet metal worker - installer/service technician before transitioning into design

David Leech  - P.Eng - Associate

Professional Engineer
HVAC Designer since 2006

Ayton, Ontario

HVAC Design Commercial & Residential
Serving HVAC contractors, architects, builders, and homeowners in Ontario.

Contact Info

Company Focus

We design Heating, Ventilation, and Air-conditioning designs for Residential and Commercial buildings. Residential Design Protocol is F280-12. Commercial Design Protocol is Ashrae CLTD or RTS method for Commercial buildings. In all cases HRAI™ protocol is used.
Services & Rates

HVAC Installers - I work closely with installers to ensure the proper design protocols are used and that a design is correct for the building.

HVAC Design

Value Added HVAC Design

  • We work with the architect, contractor and installer to design an HVAC system that is successful. We interact with the various building inspectors and modify our designs to meet individual needs of each Building Department. This activity is included in the design price.
  • Turnaround time can be a critical item in getting a building permit. I can deliver HVAC Designs in less than a week and sometimes overnight if the need is great and the design not too complex.

Design Applications

  • Building permit application; Heat Loss, Heat Gain, Duct Design, Ventilation Summary or Part 6 Ventilation design, EEDs (SB12), SB10, and Schedule 1 Designer for Ontario
  • Shell Heat Loss/Gain design for system sizing and energy audit applications
  • HRV designs
  • Modelling for SB12 using HOT2000

Tools

  • HRAI™ Right-Suite® Universal software
  • Right-CAD
  • Autodesk AutoCAD
  • HOT2000