Jan 2, 2025 · The right size HVAC unit or system is selected by a qualified pro based on your climate zone, homes’ square footage, insulation condition, and how sunny it is where you live. This page will give you an accurate estimate to the question – What size HVAC unit do I need? It includes an HVAC Size Calculator that is the most accurate of its kind.

Free AC Sizing calculator. If you’re wondering “What size air conditioner do I need?” This BTU and AC tonnage calculator can help. *Super easy* to use based on your climate and insulation factors.

Learn how to size your air conditioner or heater - This System Selector will help you find the correct size for your air conditioner or furnace for your home.

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? We get this question a lot and it’s an important one.

Mar 26, 2024 · Thus, I created multiple sizing charts for the most common applications so that people can quickly find the suitable air conditioner size. To calculate air conditioner size, multiply the length of the room by the width of the room to get the square footage of the room.

Oct 16, 2023 · AC Tonnage Calculator accurately estimates the proper Central AC size in TONs & BTUs, as well as the cost to install your Central Air system in different climate zones, based on your house size & AC SEER rating, conditioned space size, heat load / loss, & other parameters.

Mar 28, 2025 · To cool a 2,000-square-foot home, you’ll need an air conditioner with about three tons of cooling capacity. The rule of thumb is that 20 British thermal units (BTUs) are required per square foot of living space, and one ton of cooling capacity equals 12,000 BTUs.

May 11, 2017 · The following table provides a guide for choosing the right size air conditioner based on the area needing to be cooled. The Air conditioner output and capacity is measured in BTU per hour. This chart includes areas from 100 square feet …

Use the Gas Furnace sizing calculator below to calculate your required central heating system Btu size. Follow these easy steps: Select the region you live in according to the color keyed map below. Enter the approximate square feet of the area in your home that you need to heat/cool. Click the Calculate System Size button.

Generally, you need 20 BTU for every square foot of space in your home. The chart below can guide your BTU choice: The larger your home, the higher BTU you’ll need to support your comfort. One of the most accurate ways to measure the right …