With all the convenience of a mobile app, access your MacKenzie Fuels account from the comfort of your mobile device! It's never been easier to: • Make Payments • Order Fuel • View your Account • And much More MacKenzie Heating and Cooling, Inc. has been proudly serving the NH Seacoast, Manchester Area, Northeastern MA & Southern Maine since 1995. We are a family owned and operated service, Installation and delivery company that is 100% committed to fulfill ALL your heating and cooling needs in a professional and timely manner. Our expert technicians are trained and fully equipped to make your experience with MacKenzie “top notch” experience.