About Lundy HTG. & CLG. Southeast Missouri's Superior Geothermal Source If you are looking for a company that has a total in-house operation and a proven track record for assisting homeowners with all of their WaterFurnace Southeast Missouri geothermal heating and cooling needs, you can trust Lundy HTG. & CLG.. Our total in-house operation includes... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. In the Southeast Missouri area, complete customer satisfaction is our utmost priority and our highly trained professional staff will see to that.Besides, when you choose the best heating and cooling system on the market today, it is hard to go wrong.We will see to it that your new system will meet all of your expectations, helping you to reduce your energy costs and improve your home's conditioning efficiency. Contact Lundy HTG. & CLG. today to get a free estimate and a cost savings analysis for your home.