Increase capacity by 10% for very sunny rooms; reduce by 10% for heavily shaded ones.
If ceilings are over 8 feet, increase the BTU estimate by 10% . 2. Choose the Right Type of Unit how to buy an air conditioner
Add 4,000 BTUs to account for heat from cooking appliances. Increase capacity by 10% for very sunny rooms;
The best type for you often depends on whether you own or rent your home. how to buy an air conditioner