I found your company at the IRA Civic Center NMBA Show. I had another company put in a beaver system and their salesman told me it probably wouldn't work. He was right, it didn't. I called your company a year later and had the estimate done. Within two weeks the work was complete. The price and the service are my reasons for going with Northern States.We are very satisfied and relieved. the staff was very professional, courteous, prompt, and appreciated. the crew did a great job!