HVAC specialists serving the seacoast of New Hampshire, Maine, and Massachusetts for over 35 years. Were experts in speed, efficiency, and quality of service. The Coastal Heating & Cooling Specialists is dedicated to providing practical and effective solutions for heating, cooling, ventilation, and indoor air quality needs to Portsmouth, NH. Were devoted to helping our customers reduce energy consumption using HVAC solutions, quality products, and services, and save on their electricity bills.