ECR International takes pride in offering a full line of heating and cooling appliances including the Olsen brand of oil and gas furnaces. The full line of quality Olsen oil and gas furnaces and central air conditioning offers brand recognition, applications versatility and a wide range of energy efficient models that are easy to install and maintain. Olsen products have been manufactured for over 60 years and ECR International is committed to providing you with the best heating products and support to allow you to service your customer's better.