Better questions start with visible assumptions.

Comfort Math is an independent set of calculators for homeowners researching heating, cooling, and household energy decisions. The tools help you prepare for professional conversations. They do not replace those conversations.

What we publish

We focus on cost planning, operating-cost comparisons, basic sizing screens, and quote-checking tools. Each result explains what went into it and what could make the real number different.

Editorial independence

Contractors and equipment manufacturers do not control calculator results. If the site later accepts advertising, ads will remain separate from calculations and editorial decisions.