G & O Air Conditioning & Heating, is locally owned and operated, and has been serving the Manchester & Concord New Hampshire areas since 1985. Our business is based upon relationships with our customers, employees, and suppliers. Customer service is #1 with us - we will never sell you something you do not need because we want your trust and life-long business. We offer personal service at a very competitive price. We offer reliable advice, professional proposals and simple explanations of our work and our products. We are committed to providing the highest level of comfort for you, your family and your business. Part of our commitment includes ongoing training. Installing and servicing quality heating and air conditioning equipment for your residential or light commercial use.