HVAC Engineering Services for Ontario Building Permits
Every service we offer is produced by a BCIN-registered HVAC designer, delivered within 48 hours, and accepted by every Ontario municipality. Upload your floor plans for a free quote — no commitment required. Not sure what you need? Read our guide on permit rejection causes to understand exactly what's required before you order.
Not sure which service you need? The most common starting point is the CSA F280 Heat Loss Calculation — it's required for every Ontario building permit and forms the foundation for everything else. If you need a complete permit package, the Full HVAC Design Package covers everything in one submission. For a full breakdown of what each municipality requires, see our areas we serve page.
CSA F280 Heat Loss Calculation
The mandatory heating load calculation required by Ontario Building Code Section 9.33.2.2. Uses your actual floor plans, wall assemblies, and Ontario design temperatures to calculate heat loss room by room. The BCIN-stamped report your permit application cannot proceed without. Use our free design temperature tool to confirm your municipality's design day before ordering.
Full HVAC Design & Mechanical Drawings
The complete Ontario building permit package — heat loss calculations, full duct layout drawings, Mechanical Ventilation Design Summary, equipment schedule, and Ontario Schedule 1 designer declaration. Everything your building department needs in one stamped submission. See our HVAC design page for the full breakdown, and our rejection guide for what this package prevents.
Cold-Climate Heat Pump Sizing
Accurate heat pump sizing using certified CSA F280 load data — not square footage rules of thumb. Confirms cold-climate performance at -15°C and -25°C for Ontario's design temperatures. Produces rebate-qualifying documentation for Ontario's Home Renovation Savings Program (up to $7,500). See our cold-climate heat pump page for equipment certification requirements and our heat pump guide for zone-by-zone performance data.
HRV & ERV Ventilation Design
Mandatory under Ontario's updated Building Code since January 1, 2025. We calculate your home's Total Ventilation Capacity, select the right HRV or ERV, design the supply and exhaust distribution, and produce the MVDS form your permit application requires. OBC 2024 and CAN/CSA-F326 compliant. Missing the MVDS is one of the most common reasons applications are returned — see our rejection guide for the full list.
Radiant & Hydronic Heating Design
Complete hydronic radiant floor heating design built on a certified CSA F280 room-by-room heat loss calculation. Includes PEX loop layout drawn over your floor plans, loop lengths and spacing, manifold locations, zone mapping, supply water temperature targets, and boiler or heat pump sizing. CAN/CSA-B214 compliant. Particularly suited to ICF construction in Simcoe County and Georgian Bay — for why ICF homes pair so well with radiant, see the best heating systems for ICF homes and the real cost of hydronic radiant in Ontario.
The same straightforward process applies to every service we offer. Upload your plans, receive a firm flat-rate quote, pay securely online, and receive your BCIN-stamped report within 48 hours.
Upload Your Plans
Send your floor plans in any format — PDF, CAD, JPG, or hand drawings. Free, no commitment.
TodayReceive Your Quote
We review your project and send a firm flat-rate price. No hourly billing, no surprises.
Within 24 hoursPay Securely Online
Approve your quote and pay via Stripe. Your report enters production immediately.
When you're readyReceive Your Report
BCIN-stamped report delivered by email — ready for your Ontario permit application.
Within 48 hoursMost Ontario building permit applications need more than one service. Here are the three most common combinations — and what each one covers. For municipality-specific requirements in your area, see our areas we serve page.
Heat Loss Only
The minimum required for any Ontario residential building permit. Suitable if your building department only requires a heat loss report and your HVAC installer handles the rest.
- CSA F280 heat loss calculation
- Room-by-room heating load
- Equipment sizing recommendations
- BCIN designer stamp & signature
Complete Permit Package
Everything your Ontario building department needs in a single stamped submission. This is what most municipalities require — and what we recommend for first-time acceptance every time.
- CSA F280 heat loss & gain
- Full duct layout drawings
- HRV/ERV ventilation design (MVDS)
- Equipment schedule
- Ontario Schedule 1 form
- BCIN stamp & signature
Radiant + Full Permit Package
For homes with hydronic radiant floor heating as the primary system. Combines the complete mechanical permit package with a full radiant loop layout and boiler or heat pump specification.
- CSA F280 heat loss (room-by-room)
- Radiant PEX loop layout drawings
- Manifold & zone design
- HRV/ERV ventilation design
- Boiler or heat pump sizing
- BCIN stamp & signature
We've built this service for one purpose — to get Ontario homeowners and builders their permit package fast, without the two-week wait that most designers charge for. For ICF custom home builds with all-in HVAC engineering, see our partner icfhome.ca for Ontario rebate information.
Not sure which service you need? Upload your floor plans and describe your project — we'll tell you exactly what your building department requires and send a firm price within 24 hours. No commitment to buy. Or read our permit rejection guide to understand exactly what your municipality needs before you submit.