Keystone CeramicsUdo Kohrmann · Stonemason
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January 21, 2026 · 4 min read

Masonry Heater FAQ: Everything Ottawa Homeowners Ask

Over the years a handful of questions come up again and again. Here are the short answers — and you can always ask Udo the rest in a consultation.

How much wood? Usually one or two small hot fires a day. How big a space? An open 1,500–2,500 sq ft home from a single well-placed heater, depending on insulation. Can it cook? Yes — bake and pizza ovens are popular add-ons. Is it messy? Less than you think; the fire is short and hot. Will it fit my house? Best planned during a build or reno because of the weight, but retrofits are often possible with proper support.

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