The recent real estate bust is a boom for the innovative home remodeling contractors. A group dubbed as “eco flippers” are buying foreclosed older homes and retrofitting them with more efficient heating and cooling systems; replace with energy-efficient thermostats; improve attic insulation; install greener appliances; install new energy efficient windows, doors and skylights; plant water conserving native plants in yards and sell remodeled homes for a quick profit. The cost of remodeling an older home varies from state to state and region to region. In Houston, Texas the cost to remodel an older home cost between $75,000 and $120,000. Due to the energy saving improvements, remodeled homes are selling much…