HVAC calculators that work from the truck

Cooling and heating BTUs, tons, and equipment size from square footage, climate and construction.

Tons and BTUs for a house or room, with instant BTU, ton and kW conversions.

BTUs for every zone and the multi-zone outdoor unit that carries them.

Round and rectangular duct size from CFM and friction rate, with velocity checks.

Airflow from tons, BTUs and temperature rise, air changes, or duct velocity.

Superheat, subcooling and target superheat with PT charts for five refrigerants.

Installed price range for a full system replacement by size, efficiency and ductwork.

Installed furnace price range by fuel, size, efficiency and install complexity.

Installed heat pump price range by tonnage, efficiency, and backup heat.

Installed mini split price range by zone count, size and line set length.

Selling price, profit and markup from job cost and target margin.

Your true cost per hour and the billable rate that covers it.

Gross profit, margin and markup on a job, plus the price that hits your target.

Three tiers from one base price, with average ticket and revenue from your own mix and close-rate inputs.

Price a service call from diagnostic fee, labor, parts and markup.

Models hours, dollars and payback from your own estimate time, volume and close-rate assumptions.