Energy-Efficient Homes = Money in Your Pocket

Thursday, March 14th, 2013

Welcome to Olson Defendorf Custom Homes.  We build one-of-a-kind, custom homes in Austin, Westlake, Lakeway, Dripping Springs, Blanco, Spicewood, and surrounding areas.

In today’s economy who doesn’t want to save money!  The Texas Gas Service offers rebates of $325 or $500 or more per home when you build energy-efficient homes equipped with natural gas plumbing and appliances.


Homes may be subject to Texas Gas Service site verification prior to issuing rebate.

3-Star Austin Energy Green Building or Energy Star Version 3 (ESv3) Program Home

4- or 5-Star Austin Energy Green Building Program Home

To be eligible for the rebate, builders must install:

  • A natural gas space heating system (primary or backup) with a minimum AFUE of 80 percent;
  • A natural gas water heater (backup only when installed in conjunction with a solar thermal water heater) with a minimum energy factor (EF) of 0.62 or a thermal efficiency (TE) of 62 percent;
  • A stub for a natural gas clothes dryer; and
  • An additional natural gas appliance.


High-Efficiency Natural Gas Water Heater
(EF 0.62-0.81 or TE 62-81 percent)
Tankless or Super High-Efficiency Natural Gas Water Heater
(EF 0.82 or TE 82 percent)
Solar Water Heater with Natural Gas Backup


Natural Gas Furnace
Hydronic Heating


Natural Gas Dryer with Moisture Sensor

For information and a complete list of rebates and restrictions, visit, email or call us at (512) 370-8243.

Homes serviced by Texas Gas Service in the Austin, Sunset Valley, Rollingwood, West Lake Hills, Kyle and Cedar Park city limits may be eligible for rebates.