Do the math before you call.

Five free interactive tools — sizing, savings, rebates and the repair-or-replace question. No sign-up, no sales pitch, honest disclaimers.

Estimate the furnace or heat-pump output your home needs, in BTU/h.

Estimate the air-conditioner tonnage that fits your square footage and sun exposure.

See what upgrading an old furnace to 96% efficiency could save you per year.

Slide in your system's age and the repair quote — get an honest verdict.

Tap an upgrade and see what Ontario's current program could pay you back.

Tap around an interactive house and see where heat escapes — and what fixes it.

Tools give estimates. We give you the real number.

A free site visit turns any of these ballparks into a written, itemized quote.