Mechanical Consulting Services

HVAC, Plumbing & Hydronic Systems

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Designed Air Systems – Mechanical Engineering Consultants

A Full-Service Mechanical Engineering Firm

Locally owned and operated since 1990, Designed Air Systems (DAS) Ltd. is a full-service mechanical engineering firm specializing in commercial building mechanical systems. We service Nanaimo, Vancouver Island, and areas throughout British Columbia. Our project management services include mechanical condition assessments, budget estimating; design specifications; tendering documentation; design drawings and site inspections. Familiar with national, provincial and municipal code requirements, our principals and employees provide complementary areas of expertise to provide owners with well-planned, cost-effective designs, made available through years of experience in similar projects.

Well-Planned, Cost-Effective Designs for Mechanical HVAC Systems

From the small business owner to the property manager, Federal, Provincial or Municipal government facilities and management groups, DAS offers services in mechanical HVAC (heating, ventilation and air conditioning), including plumbing and hot water heating design for new construction and remedial consulting for existing systems, as well as fire suppression systems throughout British Columbia. We’re also skilled in project management, Indoor Air Quality (IAQ) Assessments, field-testing and commissioning of mechanical HVAC systems.

Get a Project Estimate

Schedule your consultation

For more information including a project estimate or to schedule a consultation, please give us a call today at 250-758-8139.

Professional Associations & Certifications

  • Association of Professional Engineers and Geoscientists of BC (APEGBC)
  • American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE)
  • Leadership in Energy and Environmental Design (LEED)


  • Heating, ventilation and air conditioning (HVAC) design
  • Plumbing and hydronic systems design
  • Indoor air quality testing

Designed Air Systems Ltd

181 Prince John Way

Nanaimo, BC V9T 1K1


Monday 08:30 AM - 05:00 PM
Tuesday 08:30 AM - 05:00 PM
Wednesday 08:30 AM - 05:00 PM
Thursday 08:30 AM - 05:00 PM
Friday 08:30 AM - 05:00 PM
Saturday Closed
Sunday Closed

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