Thoughtfully designed. Expertly engineered.
HVAC & MEP design for Ottawa and Eastern Ontario
Permit-ready HVAC designs for homes, and P.Eng-stamped mechanical, electrical and plumbing engineering for commercial projects.
What are you building?
Call now 613.604.0006 or book a free consultation
What are you building?
Ottawa HVAC Designs provides commercial mechanical, electrical and plumbing (MEP) engineering and residential HVAC design for building permits across Ottawa and Eastern Ontario. Choose your project type to see the services and next steps that fit.
Commercial MEP engineering
For developers, architects and contractors who need stamped mechanical, electrical and plumbing design.
- Full MEP design by senior P.Engs, stamped
- Permit drawings and OBC compliance
- Coordination with architects and trades
- Site visits, revisions and final sign-off
- Investigative reports and system assessments
Residential HVAC design
For homeowners, builders and designers who need HVAC drawings for a building permit.
- Mechanical Design Report (MDR) for permit
- Heat loss and heat gain calculations
- Duct layout, ventilation and radiant design
- New builds, additions, coach houses and ADUs
We know building systems.
We know Ottawa.
With 40+ years of combined experience, our team designs mechanical, electrical and plumbing systems for homes and commercial buildings across Ottawa and Eastern Ontario. Every project is designed by certified professionals and built around the Ontario Building Code from day one.
How it works
Send your drawings
Or call us to talk it through.
Get a fixed quote
Scope, fee and timeline in writing.
Design
Calculations, layouts and permit drawings.
Permit and support
Revisions and questions through approval.
Licensed engineering firm
- Professional Engineers Ontario (PEO)
- Certificate of Authorization #100676371
- P.Eng stamped engineering drawings
- Ontario Building Code compliance
Commercial MEP engineering →Residential HVAC certifications
- Building Code Identification Number (BCIN) 125558
- HRAI: Residential Air System Design
- HRAI: Residential Ventilation Design
- HRAI: Residential Heat Loss and Heat Gain Calculations
- HRAI: Residential Radiant Hydronics Design
- HRAI: Residential Commissioning






Frequently asked questions
How much does an HVAC design cost?
Most home HVAC designs are $975 to $1,500 + HST, with a fixed quote before you commit. Commercial projects are quoted per project after we review your drawings or scope.
Are you licensed?
Yes. Ottawa HVAC Designs holds a Certificate of Authorization (100676371) from Professional Engineers Ontario, and our residential designs are completed under BCIN 125558 by HRAI certified designers.
What areas do you serve?
Anywhere in Ontario. We are based in Ottawa, and because most design work does not need a site visit, we take on projects across the province. Projects that need site visits are focused on Ottawa and Eastern Ontario.
How do I get started?
Send your drawings through the form on this page, call 613.604.0006 (Monday to Friday, 7:00 to 16:00 ET), or book a free consultation.
Trusted by clients across Ontario
5.0 rated on Google·Read all reviews"Timelines at the design stage of projects is so critical and these guys have not disappointed, always getting us the design work we need in a very timely manner. I would highly recommend them."
"Nicolas is very professional, organized and efficient. He made our HVAC design process for our new custom home quick, easy and painless!"
"I provided them with designs for 5 houses, and I am exceedingly satisfied with their work. I am particularly grateful for their meticulous guidance and their commitment to meeting deadlines."
Get your free quote
Pick your project type. Each page has a short form with the questions that matter for that kind of project.
Prefer to talk? Call now 613.604.0006 or book a free consultation
info@ottawahvacdesigns.ca · Mon to Fri, 7:00 to 16:00 ET