About Ground Source Systems, Inc. Your Superior Geothermal Source in Western Montana If you are searching for a company that has a complete in-house operation and a documented track record for assisting homeowners with all of their Western Montana geothermal heating and cooling needs, you can trust Ground Source Systems, Inc.. Our complete in-house operation includes... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Providing total customer satisfaction is our utmost priority in the Western Montana area, and our highly qualified professional staff will see to that.It's difficult not to be satisfied when you select the best heating and cooling system in the industry today. We will see to it that your new system lives up to all of your demands, helping you to reduce your energy costs and boost your home's conditioning efficiency. Contact Ground Source Systems, Inc. today to get a free estimate and a cost savings analysis for your home.