Close more sales for more money more quickly with our Load Calculations.

The easiest, fastest, and most accurate residential heat loss and heat gain block Load Calculator on the planet.

Close more sales for  <span class="f_700">more money</span> more quickly with our Load Calculations.

Your workflow, streamlined

With EDS you can spend less time staring at a spreadsheet and more time closing your sale.

Best hvac load calculator software
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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 performed remotely to estimate the load and then trued-up once in the home. 

Show your customer exactly how and where they can save money by using your services. EDS Auditor is the quickest, most contractor and consumer friendly, supremely accurate heat loss/heat gain load calculation and home performance modeling software on the planet!  All the calculations are based on industry standards from ACCA, AHRI, and the DOE. It is one of the only software programs that allows a user to calibrate and true up energy calculations to the customer’s actual utility bills.    

Market leaders use EDS software solutions to enrich their brand & business.