$29 Tune-up, $29 Maintenance Agreement and 29% off Furnace! ONE DAY LEAP DAY SALE! Today is a rare day, with a VERY rare sale. This sale happens only once every four years. Save $29 off our Plus Maintenance Agreement, get a $29 Tune-up, and save 29% on a Furnace with purchase of a High-Efficiency Air Conditioner! Expires: February 29, 2016 Call us today at 918-212-8927 Term and conditions apply. Call for details.