If one bedroom is always cold, it is almost always the one over the garage.
A garage is not heated and is not meant to be. In February it sits at outdoor temperature, which means the floor of the room above is separated from −15 °C by a sheet of drywall and, very often, nothing else. Builders called it an exposed floor and for decades insulated it badly or not at all.
We fill the joist bays with injection foam through small holes in the garage ceiling. Nothing above is disturbed: no flooring lifted, no ceiling removed, nobody working in the bedroom. Where the ceiling is open or being replaced anyway, batts plus a sealed air barrier is cheaper and just as good.
The detail that gets missed is the perimeter — the band joist where the floor meets the exterior wall, and the junction where the garage ceiling meets the house wall. Those are direct air paths, and filling the bays without sealing them leaves most of the problem in place.
If the cold room also has a large window on two exterior walls, the floor is only part of the story. We will tell you what proportion we think each is doing before you spend on either.
A garage ceiling that leaks air into the house is also a path for exhaust fumes. Sealing that plane is a safety measure as much as a comfort one, which is why we seal before we fill.
Exposed floor insulation is on the assessment pathway and pays $300. That is not the reason to do it — it is the cheapest way to fix a room somebody complains about every winter.
Amounts are set by Enbridge Gas and Save on Energy and are quoted from the programme pages — attic stream, assessment stream — checked September 2026.
Usually no. Injection foam goes in through small holes that are plugged and patched.
It will make a large difference. It will not make the room identical to the rest of the house if the walls and windows in that room are also poor.
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You get the depth, the tier, the dollar figure and the photographs, whether or not you go ahead with us.
