Free, professional-grade calculators from Roma Heating & Cooling. Homeowners can size a furnace, air conditioner, heat pump, boiler or water heater, estimate energy savings, financing and BC rebates, and find the right system in seconds. Technicians get the field tools they reach for every day — all built on the same engineering we use on the job since 1999.
Plan your project, see the numbers, and know exactly what you need before you spend a dollar.
Fast, accurate field calculations — airflow, duct sizing, temperature rise, gas pipe sizing and more.