Rennie Heating & Air believes preventative maintenance checks are directly related to the life span of your heating and air conditioning equipment. Without scheduling a yearly check and cleaning to prevent a failure before it happens on your furnace and air conditioning system there could cause a costly and preventable repair needed. We offer reasonable service contracts to schedule seasonal equipment cleaning to ensure your comfort all year round. All warranties are set as a part failure but if the parts fail due to lack of maintenance your claim will be voided by the manufacturer. We stress that maintenance is a must with heating and air conditioning equipment of today’s advanced technology.