HVAC rough-in and finish for production homebuilders.
Westhaven Mechanical designs, installs and services heating, cooling and ventilation for new communities across Southern Ontario.
Send us a project
We work as a trade partner to production and custom homebuilders, and to general contractors on townhome and low-rise projects. Single lots to full phases.
Capabilities
- Heat loss and duct design
- Calculations and layouts to CSA F280-12 and OBC SB-12, per model, submitted with your permit package.
- Furnaces, air conditioners and heat pumps
- Gas, electric and cold-climate heat pump systems, sized to the design and installed to manufacturer spec.
- Ductwork and sheet metal
- Trunk and branch systems fitted to the framing, sealed and ready for inspection.
- Ventilation
- HRV and ERV installation, bath and range exhaust, and balancing to the design.
- Gas piping
- Lines and connections for furnaces, water heaters, fireplaces, ranges, dryers and barbecue stubs, by TSSA-certified technicians.
- Startup, PDI and warranty
- Commissioning, homeowner package documentation, pre-delivery inspection items and warranty service calls.
From permit to possession
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1
Design
Heat loss, duct layout and equipment schedule per model, prepared from your drawings for the permit package.
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2
Rough-in
Ducts, venting, line sets and gas run alongside framing, plumbing and electrical, ready for rough-in inspection.
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3
Finish and startup
Equipment set and commissioned after drywall and paint. Thermostats, registers and grilles installed to the finish schedule.
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4
PDI and warranty
Pre-delivery items scheduled ahead of closing. Warranty calls handled directly with the homeowner, with your customer care team kept informed.
What your site supervisor can expect
Scheduling
One contact for the community. Rough-in and finish booked to your lot release, with crew counts scaled to the phase.
Paperwork
Extras priced in writing before the work. Change orders confirmed before they are built. Invoicing by lot.
On the lot
Material staged ahead of rough-in. Crews on site the days they are booked.
Deficiencies
PDI items go on the schedule as they come in, with closing dates setting the priority.
Documentation on request
Everything your purchasing team needs to onboard a trade, ready when they ask for it.
- WSIB clearance certificate
- Certificate of insurance
- TSSA contractor registration
- Health and safety policy
- Builder references
Send us a project
A site plan, model list and target start are enough to begin. We come back with capacity for the phase and a pricing timeline.
Heating, cooling, ventilation and gas piping for new construction.