Mechanical Air Systems Co was founded in Mason City in 1877, and we’ve been in the heating and cooling services industry ever since. We have a professional, knowledgeable and fully trained crew, so you can depend on the quality of our work. We’re committed to finishing the job quickly – and correctly – 100% of the time. We carry innovative, high-end Lennox® products that will help your HVAC systems deliver efficient and reliable performance to keep your home comfortable all-year round. Bring together high-technology products with our great repair and maintenance service, and you’ve found a great match. Our friendly technicians make repair challenges look simple – so you’ll be able to get back to relaxing in a comfortable home in no time. Your whole-home comfort is our priority. Mechanical Air Systems Co is right here in Mason City to meet your heating and cooling service and product replacement needs. Give us a call at 641-243-4654 or create an appointment online to learn more.