Manual J, D & S Calculations

Manual J, D, and S calculations are crucial to your green building project’s success, but they can be incredibly time-consuming and labor-intensive.

QTPI lightens the load for your team with fast, efficient, and accurate load calculation services. We go above and beyond industry standards to deliver the most accurate Manual J, D, and S calculations for single and multi-family residential green building projects.

Accurate Load Calculations for Efficient HVAC Systems

HVAC system design is a holistic process. We look at the entire system and provide all necessary load calculations to ensure the most efficient overall system design.

Manual J Calculation Services

Build to the highest standards and meet your green building certification goals with the most accurate Manual J load calculations. 

Manual D Calculation Services 

Ensure optimal duct system design for your green building project with precise Manual D load calculations. 

Manual S Calculation Services 

Optimize HVAC system performance, efficiency, and occupant comfort with professional Manual S calculations for your green building project.

Comply with Any Green Building Program 

Get the most accurate Manual J, D & S calculations for your green building project. Call QTPI 859-320-7326 or contact us. 

Customer Reviews

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