Our Resources for Your HVAC Replacement Our team has all the resources you desire to help make your HVAC replacement process easy. Whether you’re in need of answers to frequently asked questions or would like to take advantage of a great deal we are promoting at Golden Seal Service Experts Heating & Air Conditioning in Saint Charles, you can find it all here. As your local HVAC experts, we want to make purchasing an air conditioner or furnace a stress-free experience. Discover more below. Frequently Asked Questions Find answers to all of the most commonly asked questions on our FAQ page. We update this page constantly, so all the latest HVAC product and technology questions – and answers – can be found here. If you don’t find an answer to your inquiry, please don’t hesitate to give us a ring at 630-246-2698. Coupons Who doesn’t love coupons? We share coupons for our products and services here. Click to see our most recent savings offers for heating and cooling repair, maintenance or replacement. Like always, we’re happy to answer your questions by phone or in person. Keep in mind: we offer a free, no pressure in-home consultation, and making your appointment has never been easier. Just use our online scheduler, and get your consultation booked today.