Manual J 8th Edition is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and ...

Bigger is not always better, especially when it comes time for you to install new central air conditioning. Choose a system that is just the right size for your home and its particular characteristics ...

How do you know if your AC system is the correct size for your home? Jon Wayne Service Company, a hometown expert, shows us how with a manual J load calculation. Take a look to learn more!

Dear Kate: Figuring the right furnace fit comes down to what's known as a Manual J load calculation. This gives heating and cooling professionals the exact furnace size in British thermal units (BTU) ...

Manual J 8th Edition is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and ...