About Hulsman Refrigeration, Inc. Your Superior Geothermal Source in Jasper You can look to Hulsman Refrigeration, Inc. for all your WaterFurnace Jasper geothermal heating and cooling needs, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Our fully trained professional staff is devoted to the overall satisfaction of customers throughout the Jasper area. After all, you've chosen the premium heating and cooling system available. We make sure each system will live up to the expectations of, improving your home's conditioning efficiency and helping you cut energy costs. Contact Hulsman Refrigeration, Inc. today to get a free estimate and a cost savings analysis for your home.