Jared Tessier, P.Eng.
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Lean Mechanical Design Ltd. is a mechanical engineering consulting firm in Ottawa. Led by Jared Tessier, P.Eng., we provide mechanical design drawings, HVAC design, hydronics, plumbing design, equipment sizing, shop drawing reviews, and project management for commercial, institutional, and residential buildings from 2,000 to 80,000 sq ft.
Building new, renovating, or solving a system problem — we deliver code-compliant designs you can trust. Hundreds of completed projects. Zero callbacks for defective work. Quality is never compromised. We also coordinate electrical engineering through a trusted partner.
Services
- Mechanical design drawings
- HVAC system design
- Hydronics design
- Domestic plumbing design
- Equipment sizing and selection
- Existing building fit-ups
- Building system redesign
- Shop drawing reviews
- Electrical coordination
- Project management
Serving Ottawa, Kanata, Nepean, Orléans, Barrhaven, and Gloucester.
Open 10 a.m. to 8 p.m., seven days a week.