Guides
The research behind the big home decisions.
Sizing math, what a spec actually means, and when the fix is a local installer rather than something you order online. Verified facts, dated sources, no invented numbers.
Ontario's heat pump rebate: why one house gets $3,750 and the house next door gets $1,500
How Ontario's Home Renovation Savings rebate is really calculated: per ton, by the fuel you heat with today, and only with pre-approval. Worked examples for gas, electric, oil and propane homes.
Updated Oct 16, 2026
How to size a water softener for an Ontario well
The grain-capacity math for a water softener on a private well, Ontario's own hardness and iron numbers, and why 30,000 grains is plenty for some homes and too small for others.
Updated Oct 6, 2026