Gas heat in Sainte-Thérèse starts with one question: is your street served?

Typical installs run $6,000 to $15,000 CAD. The low end covers a direct-vent insert tying into an existing Énergir line near the house, common in the older, more established parts of town. The high end covers homes needing a new gas line run, a propane tank set for properties off the Énergir network, or a full built-in unit for a renovation with fresh venting through a wall or roof. Ask any dealer quoting your project whether the number includes the gas-fitter work or just the appliance and venting.

In parts of town, yes. Énergir's distribution network reaches Sainte-Thérèse but doesn't run down every street, and coverage tends to concentrate along older subdivisions and commercial strips rather than newer residential pockets at the edges of town. Before you shop for a specific fireplace model, a local dealer should confirm whether your address has an existing service line or main nearby. That single check decides whether you're planning a natural gas project or a propane one.

Two other fuels crowd out gas here. Hydro-Québec's residential rate, around $0.078 per kWh, makes electric heat and electric fireplaces cheap to run and simple to install, often for $500 to $1,600. Wood also has deep roots in the Laurentides, with sugar maple, yellow birch, American beech, and red oak all locally available and a long tradition of households keeping a wood stove or insert for backup heat during winter storms. Gas fills a narrower niche: homeowners who want on-demand flame and heat without stacking cordwood or waiting on an electric unit to warm a room.

Yes, with propane. A tank set on the property, above or below ground depending on your lot, feeds the same fireplace and insert lineups sold for natural gas, just with different orifices sized for the fuel. Budget for the tank installation on top of the appliance and venting, which usually keeps the total project inside the same $6,000-$15,000 CAD range, sometimes at the higher end if it's a first-time tank set rather than an existing one being reused.

Yes. Sainte-Thérèse's municipal building department handles the building permit, the installation itself follows the CSA B365 code, and the actual gas line tie-in has to be done by a licensed gas-fitter, whether you're on Énergir or propane. Most dealers who regularly install gas appliances in the Laurentides Region coordinate the permit and the gas-fitter as part of the project rather than leaving homeowners to juggle two trades.

It's a common request, especially in older Sainte-Thérèse homes with masonry fireboxes originally built to burn sugar maple or yellow birch cordwood. A gas insert with a liner run through the existing chimney is usually the least disruptive path, and conversions typically land toward the lower half of the $6,000-$12,000 CAD range. The one prerequisite is confirming gas access first, either an Énergir line or a propane tank, since that decision shapes the rest of the quote.

Most will, and that matters in a region that still remembers what an extended ice storm can do to the grid. Units with intermittent pilot ignition run on AA battery backup that kicks in automatically when the power drops. Some models, including several from Valor, skip the battery altogether because the pilot's thermocouple generates its own current. If outage resilience matters to you, ask your dealer which ignition system is on any model before you commit.

Direct-vent units pull combustion air from outside and exhaust it back outside through sealed venting, and they're the standard, code-compliant choice across Quebec. Vent-free units burn into the room and carry strict room-sizing limits. Given how tightly built modern Sainte-Thérèse homes are to hold heat through a zone 6A winter, most local dealers steer homeowners toward direct-vent so combustion byproducts aren't accumulating in a sealed house.

Electric wins on install simplicity and running cost thanks to Hydro-Québec's low rate, and it's the easiest upgrade at $500 to $1,600 CAD. Wood, cut under an MRNF permit at about $1.85 per cubic metre up to 22.5 cubic metres, keeps working through a power outage and taps into local sugar maple, yellow birch, American beech, and red oak. Gas sits in between: more convenient than tending a fire, less certain than electric since it depends on your street having Énergir service or a propane tank, but it delivers the instant, no-mess flame that neither of the other two fully matches. Many households here end up with electric or wood as primary heat and consider gas mainly for a specific room where convenience matters most.

Most modern gas fireplaces can—turn it on and off from the couch with a remote, or set a room temperature and let the fireplace hold the comfort zone for you. If low maintenance matters to your family, this is the feature set that makes gas the convenience pick over wood and pellet.

Because a fireplace is an iceberg—there's more behind the wall than in front of it. A low quote often covers only the unit; the full scope includes vent pipe, gas line or electrical, framing, and the tile or stone that has to come off and go back on. Make every bidder price the whole job. If a dealer can't speak to the full scope with confidence, that's your signal to keep looking.

An insert does two things: it seals the chimney completely, so you stop losing air you already paid to heat, and it radiates warmth into the room through the firebox and glass. Most add a heat-exchange fan that pulls cool room air underneath, wraps it around the hot firebox, and pushes it back out warm. Your home is more efficient before you've even lit the first fire.

Louvered fronts have grill work above and below the glass for airflow, move heat a little better with a fan, and suit traditional mantels. Clean face designs drop the louvers entirely so finish work runs to the fire's edge—they fit both modern and traditional rooms. When we did our own home we chose clean face: a big viewing area beat a little extra airflow. It depends on your room, not on a rulebook.