A look at last year's contestants

Watch and learn first hand which energy efficiency techniques worked, as well as valuable energy-saving tips. Click on each of the families below and to watch video of their home improvement efforts.

	The Bright Family City: Grapevine Time in Home: 10 years Year Built: 1985 Square Footage: 1750 Type: 1 story; 3 bd/ 2bth Family Description: Ellen Bright lives in her 1985 home with her Golden Retriever, Jake. Her daughter, Megan, 22, and her boyfriend, Gregg, 22, are regular visitors.
	The Feld Family City: Cypress Time in Home: 2-1/2 years Year Built: 1996 Square Footage: 1900 Type: 1 story; 3 bd/ 2bth Family Description: Don and Leslie Feld and son, Cole, 6, live in Cypress in their 1996 home with their two family dogs, Hampton and Gidget.
	The Hinojosa Family City: Rancho Viejo Time in Home: 1 year Year Built: 1982 Square Footage: 3200 Type: 1 story; 4 bd/ 3bth Family Description: Abel and Maria Hinojosa live in their 1982 home in Rancho Viejo with children, Abel, 8, Sabrina, 6, and Samuel, 4.

Want to see the types of improvements the contestants made to their homes and how you can learn from them?

No problem! We’ve created the TXU Energy Power Saver Challenge Simulator so you can get a good idea of what the HERS Index is and the impact that typical home upgrades have on the HERS Index — you can even select a home from the same decade as yours.

Click here to launch the simulator ›