Engineer In A Pocket

Engineer In A Pocket
Energy Software for HVAC Contractors
EIP Calculators Results that will help you grow your business...

Engineer in a Pocket allows you to show your customers how much energy they will save by upgrading their mechanical equipment in commercial buildings.

EIP bridges the gap between deemed energy conservation measures and expensive engineering analysis.

A Tool For Contractors and Others Who Service Commercial Buildings...

Most energy audit tools are too expensive or complex to be used effectively by small commercial customers. Engineer in a Pocket (EIP) is a cost effective, high-powered calculator that puts the power of site-specific engineered analysis in the hands of those who service commercial buildings such as restaurants, schools, office buildings, and correctional facilities.

Contractors know they can save customers money on their energy bills, but building owners require independent, reliable analysis before they will invest in energy conservation. With the EIP, customers can see for themselves how long it will take for energy conservation measures to pay their investment back.

A Microsoft Excel Front End with Engineering Software Behind...

The EIP user interface is Excel-based for your convenience and familiarity. Enter your data and then click the "Calculate" button to perform computations for your specific building using hourly weather data at your site. Graphics and tables that demonstrate the cost effectiveness of your proposal are generated on the spot to deliver to your customer.

EIP includes modules that perform complex analyses of mechanical measures, such as:

  • Adding a damper and sensors for demand controlled ventilation
  • Adding a heat recovery unit
  • Installing higher efficiency HVAC equipment
  • Adding motorized dampers in louvers
  • Adding humidity control
  • Adding programmable thermostats
  • Adding a swimming pool cover, considering the impact on ventilation

Graphs and tables of energy savings demonstrate results







About Us...

Marcia Karr, P.E. is a mechanical engineer with more than 30 years experience in engineering, construction, maintenance and as a building codes plans examiner.

Carolyn Roos, Ph.D. has 20 years experience as an energy engineer, specializing in the development of technical software for engineers.


Marcia Karr, P.E.
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