How Many BTU Do I Need? (AC Size Formula – 2026 Guide)
Most homes need about 20 to 25 BTU per square foot, but the right number depends on more than floor area alone. Climate, ceiling height, and sun exposure can all push your cooling load higher. In hotter regions, some homes need up to 30 BTU per square…
AC Size Calculator (BTU & Tonnage Estimator)
Most homes require 20–25 BTU per square foot. To calculate AC size, multiply your square footage by the appropriate BTU factor and divide by 12,000 to determine required tonnage. AC Size Calculator (BTU & Tonnage Estimator for Any Home – 2026)…
What Size AC Do I Need in Texas? (BTU & Tonnage Guide)
What Size AC Do I Need in Texas? (BTU & Tonnage Guide for Extreme Heat – 2026) Texas summers put far more stress on an air conditioner than many homeowners expect. In much of the state, long stretches of intense heat combine with humidity, strong sun…
AC Size Chart (BTU & Tonnage by Square Footage) – 2026 Guide
Choosing the correct air conditioner size is one of the most important decisions for comfort, efficiency, and long-term system performance. The wrong size can create humidity problems, higher utility bills, short cycling, and uneven cooling. This guide…
What Size AC for 3000 Sq Ft House? (5 Ton vs 6 Ton Guide)
For a 3000 sq ft house, the typical cooling range is about 60,000 to 72,000 BTU, which equals roughly 5 to 6 tons of AC capacity. In many cases, that puts the home right on the border where equipment size matters a lot—but airflow, zoning, and…
What Size AC for 2500 Sq Ft House? (BTU & Tonnage Guide)
What Size AC for 2500 Sq Ft House? (BTU & Tonnage Guide) For a 2500 sq ft house, the usual AC size range is 48,000 to 60,000 BTU, which works out to about 4 to 5 tons of cooling capacity. In many homes this size, the bigger decision is not only…
3 Ton vs 3.5 Ton AC – Which One Should You Choose?
3 Ton vs 3.5 Ton AC – Which One Should You Choose? A 3 ton AC delivers 36,000 BTU of cooling and usually needs about 1,200 CFM of airflow. A 3.5 ton AC delivers 42,000 BTU and typically needs around 1,400 CFM. On paper, that looks like a small jump. In…
What Size AC for 2000 Sq Ft House? (3 Ton vs 3.5 Ton Decision Guide)
What Size AC for 2000 Sq Ft House? (3 Ton vs 3.5 Ton Decision Guide) For a 2000 sq ft house, the right AC size is usually 36,000 to 42,000 BTU, which translates to about 3 to 3.5 tons. In many homes, the real question is not just whether the unit is…
What Size AC for 1500 Sq Ft House? (2.5 Ton vs 3 Ton Guide)
What Size AC for 1500 Sq Ft House? (2.5 Ton vs 3 Ton Guide) For a 1500 sq ft house, the right AC size is usually 30,000 to 36,000 BTU, which means 2.5 to 3 tons. In most cases, the decision comes down to whether your home can stay comfortable with 2.5…
Air Conditioner Sizing Guide: BTU, Tonnage & Proper AC Selection
Air Conditioner Sizing Guide: BTU, Tonnage & Proper AC Selection Air Conditioner Sizing Guide: BTU, Tonnage & Proper AC Selection Choosing the correct AC size is one of the most important decisions a homeowner can make. A system that is too large…