The fastest load calculator available. Heating systems sized in accordance with ACCA Manual J 8th edition Heat Loss Load Calculation formulas. This intuitive sales tool can be mastered in minutes and help differentiate you from your competition when utilized appropriately as part of an integrated Buyer Guidance (Sales) Process. This is a critical step in the Buyer Guidance Process that over 80% of all salespeople fail to do. This simple step will help you legally and ethically discredit contractors that size systems based on existing equipment, square footage or unreliable and inaccurate rules of thumb. The process can be performed remotely to estimate the load and then trued-up once in the home.