How much does it cost to install ductwork during a home renovation in New Brunswick?

Installing new ductwork during a home renovation in New Brunswick typically costs $8-$15 per linear foot for standard galvanized steel ducts, or $15,000-$35,000 for a complete whole-home system. The final cost depends heavily on your home's layout, accessibility, ductwork material choice, and whether you're adding zones or upgrading to a high-efficiency system.

Standard ductwork installation in NB runs $8-$15 per linear foot for galvanized steel supply and return ducts, including fittings and basic insulation. Flexible ducts cost slightly less at $6-$12 per linear foot but are less durable and efficient. A typical 1,500 sq ft NB home needs 200-400 linear feet of ductwork, putting material and installation costs between $2,000-$6,000 for the ducts themselves.

Complete HVAC system installation including new furnace, ductwork, and electrical connections ranges from $15,000-$35,000 in New Brunswick. A mid-efficiency gas furnace with standard ductwork runs $15,000-$22,000, while a high-efficiency system with zoned ductwork and upgraded controls costs $25,000-$35,000. Heat pump systems are increasingly popular in NB's moderate climate, with ducted heat pump installations running $18,000-$30,000.

New Brunswick's climate significantly impacts ductwork planning. Our 100+ annual freeze-thaw cycles mean any ductwork in unconditioned spaces (crawlspaces, unfinished basements, attics) must be properly insulated and sealed. Poorly insulated ducts in a cold NB basement can lose 20-30% of heated air before reaching living spaces. Use R-8 minimum duct insulation in unconditioned areas, and consider upgrading to R-12 in particularly cold zones like unheated basements or crawlspaces.

Moisture management is critical in Maritime conditions. NB's humidity swings from 20% in winter to 70% in summer create condensation risks on cold ductwork. All supply ducts in unconditioned spaces need vapour barrier wrapping, and return air ducts should never be located in damp basement areas where they can draw humid air into the system. Installing an HRV (Heat Recovery Ventilator) during ductwork installation adds $2,500-$4,000 but dramatically improves indoor air quality and humidity control.

Renovation timing affects costs significantly. Installing ductwork during a gut renovation when walls and ceilings are open costs 30-50% less than retrofitting ducts in a finished home. If you're planning a major renovation, coordinate ductwork installation with electrical and plumbing rough-in to minimize drywall repair. Retrofitting ductwork in finished spaces requires cutting access holes, patching, and repainting, adding $2,000-$5,000 to the project.

Professional installation is mandatory for gas furnace connections and electrical work, which require TSANB-licensed technicians. However, homeowners can legally install the ductwork itself if they're comfortable with the work, though most choose professional installation for proper sizing, balancing, and code compliance. Improperly sized ducts create hot and cold spots, excessive noise, and reduced system efficiency.

Budget 15-20% contingency for ductwork projects, especially in older NB homes where you might discover asbestos-wrapped ducts, structural modifications needed for proper routing, or electrical panel upgrades required for new equipment. Always get 3+ quotes from HVAC contractors, as pricing varies significantly based on equipment brands, ductwork materials, and installation complexity.

Need help finding an experienced HVAC contractor in your area? New Brunswick Renovations can connect you with local professionals for free estimates on your ductwork installation project.