Lennar built those homes, which would probably mean they're all energy efficiency homes. (Their current models are, not sure if they were building energy efficiency into their homes in 1997). This actual property is in pending status now. The Trulia ad that you refer to was actually the transfer of ownership from the homeowner to the bank through a foreclosure. It has since come back on the market at $174,900 and is in contract.
As an agent this information was available to you through realist , and our agent MLS systems. Contact me directly if you're not sure how we can access this information.