Discover unparalleled comfort with the Goodman Energy Efficient Air Conditioner and Heating system, now featuring the New R454B Refrigerant 4-ton. This powerful and energy-saving unit ensures optimal climate control year-round for home and office use. Enjoy peace of mind with our 10-year warranty on equipment, a 1-year labor guarantee, and 5% off future parts. For first-time customers, Lone Star Mechanical offers an exclusive 20% discount. Call us for pricing and installation details, and experience why your comfort is our priority