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D&G Heating & Air Conditioning is a family-owned and operated business, providing excellent HVAC services since 1985. They specialize in installing, maintaining, and repairing heating and cooling systems for residential, commercial, and industrial clients. With a commitment to quality, integrity, and customer satisfaction, D&G Heating & Air Conditioning offers personalized, professional, and prompt services, including 24/7 emergency repairs and free estimates on installations. They serve the West Middlesex, Cranberry Twp., Wexford, Sewickley, Mars, Treesdale, and Butler areas.