Manual J USA takes the guesswork out of residential HVAC design. We provide fully code-compliant Manual J, S, and D reports that help you move forward with confidence — quickly and accurately.
Who is Manual J USA
We are a business dedicated to helping contractors and HVAC professionals meet and exceed code requirements by providing accurate ACCA reports. By considering detailed factors such as the home's size, orientation, insulation levels, window types, and local climate, our calculations ensure HVAC equipment is properly sized. This optimizes comfort, energy efficiency, and system longevity, while preventing issues caused by oversizing or undersizing.
Whether you're a contractor getting ready for permits, an architect planning a new home, or a homeowner exploring the best HVAC options, we make the design process straightforward and stress-free.
This is for any manual J that is less than 2000sq ft. This includes Manual J, Manual D, and Manual S
Standard delivery time is 7 days if you want it sooner add the “Expedited Service ” to the cart for delivery times within 48hrs
This is for any manual J that is more than 2000sq ft. and less than 4000sq. ft This includes Manual J, Manual D, and Manual S
Detail for checkout, Round your home's square footage to the nearest 100, then divide that number by 100. Enter the result as the quantity at checkout or before adding to your cart.
Example:
If your home is 2,490 sq ft, round it to 2,500.
Then: 2,500 ÷ 100 = 25
Enter 25 as the quantity.
Standard delivery time is 7 days if you want it sooner add the “Expedited Service ” to the cart for delivery times within 48hrs
This is for any manual J that is more than 4000sq ft. This includes Manual J, Manual D, and Manual S
Detail for checkout, Round your home's square footage to the nearest 100, then divide that number by 100. Enter the result as the quantity at checkout or before adding to your cart.
Example:
If your home is 5,410 sq ft, round it to 5,400.
Then: 5,400 ÷ 100 = 54
Enter 54 as the quantity.
Standard delivery time is 7-10 days if you want it sooner add the “Expedite Service ” to the cart and enter conditioned square footage at checkout for delivery times within 48hrs