About Custom Air Systems Family owned and operated since 1974, Custom Air Systems has been providing service 7 days a week so that all of your heating and cooling needs are met. Whether it’s sales, service, installation or new construction, we have a professional, knowledgeable and fully trained staff, so you can trust in the quality of our work. We’re committed to getting the job done quickly – and correctly – 100% of the time. We carry innovative, high-end Lennox® products that will help your HVAC systems run more efficiently and more reliably than the competition. Pair high-technology products with our outstanding repair and maintenance service, and you’ve found a match made in HVAC heaven. Our friendly technicians make repair challenges look easy – so you’ll be able to get back to a relaxing and comfortable home in no time. No matter what make or model, we service it. Our focus is to exceed your expectations by providing you with a quality product, industry expertise, and outstanding customer service. Custom Air Systems is right here in Port Saint Lucie to meet your heating and cooling service and product replacement needs. One Call Does It All at Custom Air Systems, so give us a call at 772-335-3232 or schedule an appointment online to learn more.