Project Gallery - Home Energy Saver (Single Family and Multifamily)

LBNL’s Home Energy Saver (HES) project uses an Application Programming Interface to power its own websites and to make its underlying data and calculations available to collaborators and other software developers on the web. This page displays collaborative projects (both past and present) undertaken by third party developers using the HES API. Be sure to visit the Home Energy Scoring Tool project gallery as well.

Home Energy Saver - Consumer Tool

We use our own APIs to run the Home Energy Saver Consumer Tool.

The Home Energy Saver™ (HES) empowers homeowners and renters to save money, live better, and help the earth by reducing energy use in their homes. HES recommends energy-saving upgrades that are appropriate to the home and make sense

Home Energy Saver - Professional Tool

We use our own APIs to run HESPro.

Built on the same underlying data and engines as the original Home Energy Saver website for consumers, HESPro helps energy auditors, inspectors and contractors

  • Calculate the energy use of a specific home/building project
  • Identify strategies to improve home efficiency
  • while improving the performance of the home

Weatherization Assistant - MulTEA

A member of Oak Ridge National Laboratory's Weatherization Assistant family of software tools for multifamily buildings, MulTEA is an energy audit tool designed to provide auditor with an improved energy simulation tool and an improved tool for identifying the cost-effective energy-efficiency retrofit measure in working with multifamily buildings. MulTEA is designed specifically to help states and local weatherization implement the U.S. Department of Energy's Weatherization Assistance Program. It is also used by utilities and other home energy professionals.

Allstate Goodhome

Allstate Goodhome
The HES APIs power the Energy Efficiency section of the Allstate Goodhome site.

Cool California

Cool California
The HES APIs power the residential energy module in the Cool California carbon calculator, created by the California Air Resources Board.

Cool California's mission is to provide all Californians with the tools they need to take action to protect the climate and keep California cool.


Asks some easy to answer questions about various components of your home. It then generates an estimate of the amount of money you could save if you were to upgrade your home with more efficient technology and materials. The application is no longer available.

iViro for iPhone

iViro provides homeowners the ability to perform their own home energy analysis in minutes. Using our streamlined tools, users will be able to make better decisions about improving energy efficiency within their home. After inputting data about their home, users are presented with an analysis of their environmental impact and a list of the most effective energy saving strategies.

InterNACHI Home Energy Inspection

The International Association of Certified Home Inspectors (InterNACHI) describes itself as the world's largest, non-profit inspection association. InterNACHI has used the HES APIs to develop an energy calculator used in their training program.

My Home EQ

The MyHomeEQ website, produced by a spinoff of the Center for Neighborhood Technology, provides a home energy calculator for Northern Illinois that generates a home rating and provides lead-generation for home performance contractors.

My Florida Home Energy

The “My Florida Home Energy” tool was built by the Florida Department of Agriculture and Consumer Servies, in collaboration with the University of Florida and Energy IT, to provide Florida homeowners with a user-friendly application to analyze their current energy use and identify energy-efficient products and services that will potentially reduce their energy use, along with their utility bills.

Microsoft Hohm

Microsoft built their Hohm site upon the HES data and modeling framework (rather than directly using the HES API).

The Hohm project envisioned connecting data for electric vehicles, homes and utilities in one cohesive ecosystem to help consumers understand and manage their household energy consumption.