 GroundLoop Heating and Air is your local water furnace expert. They can show you how to receive 80, 90, even 100% of your installation cost back in incentives with a 30% federal tax credit and renewable energy credits now for geothermal. Call or click GroundLoop Heating and Air today at groundloop.com. That's groundloop.com and let the ground you walk on heat and cool your home. This summer, depend on WBAL Newsradio and the TV11 Meteorologist to keep you ahead of the storm.