Serving the HVAC and Plumbing industry since 1986

“So easy, your dog can do it!”

EMS

Energy Marketing Service

Easily perform HVAC load calculations, size ductwork, compare operating costs, and select the proper size equipment


Residential Load calculator instructions


Commercial load calculator instructions


LOAD CALCULATOR FEATURES

DUCT CALCULATIONS (MANUAL D)

EQUIPMENT SELECTION (MANUAL S)

SELL MORE JOBS

COMMERCIAL LOAD CALCULATOR FEATURES

Our commercial load calculator enables you to calculate loads for small to medium size buildings up to three stories in height. Example structures are: offices, retail stores, restaurants, warehouses or churches. This calculator is not designed for industrial or high rise buildings.


Instantly download and start using this software today

START VIDEO TO SEE A WHOLE HOUSE LOAD COMPLETED IN LESS THAN 3 MINUTES

MAY BE INSTALLED ON THREE COMPUTERS AT NO EXTRA CHARGE


OUR GUARANTEE

You will have 8 weeks to evaluate our program. If you feel our program is not what you expected, simply send us an email and say "Please refund my money for the load calculator". Your account will be credited immediately.


This HVAC load calculation software has been developed using sound engineering principles as prescribed by ACCA's Manuals J, D and S and ASHRAE's

Handbook Book of Fundamentals.

NEW MOBILE VERSION WORKS ON ALL DEVICES

PC’S    MAC’S   ANDROIDS  TABLETS   IPADS   IPHONES   READERS



Copyright 2015 Energy Marketing Service

HVAC load calculator

Also sizes ducts and performs Manual S report

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Once your purchase has been made, you will instantly receive a link to download the software.


With the permanent package, you will own and have unlimited access to your load calculation program.  Updates are free and there are no yearly renewal fees. If you should ever need a replacement program, whether its for a new computer or after a computer crash, we will supply it at no additional charge.


All packages have step-by-step instructions, with illustrations under the HELP menu, for performing a load calculation. Plus we offer real live help if you should ever need it.



Pricing and ordering information

Although your purchase will be processed via PayPal, a PayPal account is not necessary.

All credit or debit cards are accepted

Purchase 60 day trial Residential Package only


  Includes residential load calculator, plus duct sizing, equipment selection and cost analysis software for one low price This software includes all the features and capabilities of the permanent versions, however it will expire on your computer 60 days after purchase.

Only $39

Purchase permanent Residential Package only


  Includes residential load calculator, plus duct sizing, equipment selection and cost analysis software for one low price. This software does not expire and includes free updates.


May be installed on three computers. Only $199

Purchase permanent Residential and Commercial Package


Includes both residential and commercial load calculators, plus duct sizing, equipment selection and cost analysis software for one low price. This software does not expire and includes free updates.


May be installed on three computers. Only $269

        
        
        

Great for DIY

The software packages in this group will operate only on a Windows based computer

(PC, Laptop or windows tablet)

For software that works on Mac’s, iPads and other devices, scroll to the bottom

New

The EMS HVAC load calculator is now available as a web based mobile program that may be used on any device with an internet connection.  This means it will operate on PC’s, Mac’s, iPhones, iPads, Android phones, tablets and even readers.

This package comes with both the residential and commercial programs, and offers the same features as our windows based program.

Perform load calculations in the field. All you need to access the program is a username and password.

Updates are automatic and free.


Only $299


An annual subscription charge of $19 is required to maintain the program server

Windows, Mac and Mobile device users

Contact us

Instantly download and start using now

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