Gochnauer at Home in Lancaster Geothermal Welcome to Gochnauer at Home's Lancaster geothermal resource center. We're proud to be a full-service provider of geothermal products for the Lancaster area. Whether you need standard maintenance, equipment repair, or an entire comfort system - Gochnauer at Home has the training and ability you need. Let us provide you a solution that uses the clean, renewable energy in your backyard to provide savings up to 70% on heating, cooling and hot water. To learn more about our full line of geothermal products for the Lancaster area, contact Gochnauer at Home today.