Below please find a calculator that should help you get started with a rough estimate for your HVAC system.
HighSeer will help give an estimate that is measures thermal output within regions in – BTU (British Thermal Unit).
User Friendly Thermal Output Calculator – Measured in BTU’s:
Great for estimating within the United States region geothermal map
Estimates within 5 regions and all 50 states
Calculates a combination of climate region, space area (square feet), and space height (feet)
“This tool is based on the square foot method, with computations added for the most important values included, such as insulation, windows, and other contributing factors. The system is pre-set to a 72-degree indoor temperature and a 95-degree outdoor temperature.” – HighSeer
https://www.highseer.com/pages/hvac-load-calculator
For a more accurate estimate, please call us and set up an appointment to discuss your system needs: (503) 623 – 2341