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Airtight Engineering Inc. is a Saskatchewan-based consulting firm which integrates energy modeling and Passive House principles with mechanical system design. This means optimizing the efficiency of the building shell before designing an efficient mechanical system. We guide this optimization using energy models to make data-driven design choices.

We are passionate about designing high-performance building envelopes and mechanical systems that are sustainable, resilient, comfortable, and healthy. In addition to design work, we love to facilitate building science and energy efficiency training.

We consult on residential, multi-unit residential, commercial, and industrial projects for both new construction and energy retrofits. Airtight Engineering consults across Canada and into the United States, and is licensed to provide Engineering services in Saskatchewan, Alberta, and Manitoba.

Mission Statement:

To facilitate the transition to sustainable high-quality buildings by combining passive house principles with mechanical system design.

Airtight Engineering engages its mission through the following pathways:

I. High-performance building design services

II. Building energy efficiency education and training

III. High-performance building advocacy and industry engagement

IV. Learning and continuous improvement

V. Removing barriers and challenges to creating Passive House buildings

Our Team

Our Team

Matthew Dipple headshot
Matthew Dipple

P.Eng. (SK, AB, MB), CPHC, EnerGuide Advisor


Cameron Jensen headshot
Cameron Jensen

Engineer-in-Training (SK)


Matt is a Professional Engineer with permission to consult in Saskatchewan, and holds a Bachelor of Science in Environmental Systems Engineering. He is a Certified Passive House Consultant, and teaches with Passive House Canada. Matthew has experience in building energy modelling, mechanical design, project management, and asset management.

Cam holds a Bachelor of Science in Mechanical Engineering. Cam has extensive experience in energy modelling, load calculations, mechanical design, and preparation of construction drawings. Cam received Passive House Design and Construction training held by Passive House Canada. He is skilled with the Passive House Planning Package, SketchUp, and Revit.

Steffen Bertelsen headshot
Steffen Bertelsen

Engineer-in-Training (SK), CPHT


Steffen holds a Bachelor of Science in Agricultural and Bioresource Engineering. Steffen’s career in sustainable buildings began with Integrated Designs, completing LEED certification and commissioning of commercial, institutional, and residential buildings throughout Canada. Steffen is a Certified Passive House Tradesperson and teaches with Passive House Canada.

Michael Nemeth headshot
Michael Nemeth

P.Eng. (SK), LEED AP

Engineering Advisor  

Michael received a Bachelor of Science in Mechanical Engineering and has over 15 years mechanical engineering consulting experience providing mechanical engineering design services for commercial and institutional buildings (heating, ventilation, air conditioning, fire protection, plumbing, and site services). Michael has experience in mechanical design, preparation of drawings and specification contract documents, energy modelling, and construction administration. 

Professional Associations & Memberships

Passive House Canada logo
APEGS logo
APEGA logo
Engineers Geoscientists Manitoba
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