How much does a propane unit heater cost to install in a NB garage workshop?

A propane unit heater installation in a New Brunswick garage workshop typically costs $1,500-$3,500 total, including the heater unit, gas line, venting, electrical connection, and professional installation. The wide price range depends on heater size, distance from your propane supply, and whether you need overhead venting or direct-vent installation.

Heater Unit Costs

The propane unit heater itself runs $400-$1,200 depending on BTU output and features. For a typical two-car garage workshop (500-600 square feet), you'll need a 30,000-50,000 BTU heater to maintain comfortable working temperatures during NB's cold winters. Popular brands like Modine, Reznor, and Mr. Heater offer reliable units sized for residential garages. Infrared tube heaters cost more ($800-$1,500) but provide more comfortable radiant heat for workshop use, heating objects and people rather than just air.

Gas Line and Installation

Running a new propane line from your tank or existing supply adds $800-$1,800 to the project. If your garage is within 50 feet of your house propane line, a licensed gas fitter can typically tap into the existing system and run black iron pipe or approved flexible connector to the garage. For detached garages farther from the propane supply, you may need underground piping or a dedicated propane tank, which increases costs significantly. All gas line work in New Brunswick requires a licensed gas fitter and inspection.

Venting Requirements

Most propane unit heaters require overhead venting through the roof, adding $300-$800 for vent pipe, roof penetration, flashing, and weatherproofing. In NB's climate, proper flashing and ice dam protection around roof penetrations is critical to prevent leaks. Direct-vent units that vent horizontally through the wall cost less to install ($200-$400 for venting) but have limitations on placement due to clearance requirements from doors, windows, and property lines.

Electrical and Controls

The heater needs electrical connection for the blower motor and controls, typically requiring a dedicated 15-amp circuit. If your garage doesn't have adequate electrical service, adding a circuit costs $200-$500. Thermostat installation adds another $100-$300 depending on whether you choose a basic wall thermostat or a programmable unit that can maintain different temperatures for occupied vs. unoccupied periods.

NB Climate Considerations

New Brunswick's Maritime climate makes proper sizing critical for workshop comfort. A 40,000 BTU heater will maintain 15-18°C in a well-insulated two-car garage when outdoor temperatures drop to -20°C. However, if your garage is uninsulated, you'll need 50-75% more heating capacity, making operating costs prohibitive. Consider insulating the garage walls and ceiling (R-12 to R-20 walls, R-32+ ceiling) before installing heating — the insulation investment pays for itself in reduced propane consumption within 3-5 years.

Operating Costs

Propane heating costs approximately $25-$40 per million BTUs in New Brunswick. A 40,000 BTU heater running 6 hours per day during the heating season (October through April) consumes roughly 50-75 gallons of propane annually, costing $150-$300 depending on propane prices and actual usage patterns. Infrared heaters feel warmer at lower air temperatures, potentially reducing operating costs by 15-25%.

Professional Installation Required

All propane appliance installations in NB require licensed professionals — a gas fitter for the gas line and appliance connection, and an electrician for the electrical work. Attempting DIY installation voids equipment warranties, violates code, and creates serious safety risks including carbon monoxide poisoning and fire. Professional installation includes proper combustion air supply, clearances from combustible materials, and safety shutoff systems.

Need help finding a licensed gas fitter or heating contractor for your garage workshop project? New Brunswick Garages can match you with qualified professionals through the New Brunswick Construction Network who understand propane heating requirements and NB climate considerations.