PLUS Maintenance Agreement: Take the Next Step to Keep Your Furnace or Air Conditioner Running Well Fix problems before they happen with our PLUS Maintenance™ Agreement. We will schedule visits before peak energy usage periods to make sure your furnace or AC works smoothly all season. Pre-scheduled maintenance can help you save energy and money, so skip the “what-if’s” and stay relaxed all year round with a Midland Air Service Experts Heating & Air Conditioning PLUS Maintenance™ Agreement. We know you don’t want to wait around once something’s broken on your furnace or AC, and you don’t want repairs to cost a fortune. With a PLUS Maintenance™ plan, you don’t only get our expert AC and furnace maintenance – you’ll also receive service and member benefits. Our service benefits were designed to get technicians to you fast: PLUS Maintenance™ Agreements offer priority booking. Our member benefits were designed to keep your wallet full. You’ll get 15% off service, indoor air quality maintenance items, and no overtime service fees 24/7/365. We can’t think of a finer deal for a lower price. All our PLUS Maintenance™ services and benefits cost less than two tune-ups purchased individually. Call your Midland Air Service Experts in Columbia at 803-399-7208 to enroll today, or conveniently schedule an appointment now.