The BTU to sq ft chart below is a useful visual guide to help you determine your approximate central air conditioner size requirements. If you still need help, don't worry!

Jun 3, 2025 · You can simply locate the size of your home, and find out what size of AC or Heat Pump you will need, as well as the estimated furnace size that your home will also require.

Learn more about different AC sizes in our guides on 2 ton AC units, 2.5 ton AC units, 3 ton AC units, 4 ton AC units, 5 ton AC units. Air conditioners use SEER2 ratings to indicate energy …

Easy To Use A/C Size Selection Tool: Check the color coded map above and confirm the zone your home is in. Then, on the chart included underneath, select the square footage of your …

The calculator uses your house size (square feet), climate zone, efficiency and equipment type (standard central air vs central heat pump) to show you exactly what size central air unit you …

Jan 4, 2024 · Find out how BTUs, square footage, tons, and other factors determine the ideal size for your HVAC unit. What size air conditioner or furnace do I need for my home?

Mar 26, 2024 · Following are a series of air conditioner sizing charts for different applications from bedrooms and living rooms to apartments and mobile homes. My recommended air …

Our HVAC Sizing Calculator (also called an AC sizing calculator, HVAC tonnage calculator, or HVAC load calculator) helps you determine the ideal size of an air conditioning or heating …

Dec 2, 2025 · Learn how to determine HVAC size for house with our step-by-step guide. Calculate BTUs, square footage, and find the perfect system for your home.

Aug 29, 2025 · Find out standard sizes for heating and cooling systems measured by room size, tons and heating/cooling capacity.