O'Connell Plumbing & Heating provides high-efficiency HVAC and plumbing services tailored for sustainable homes in Salem, Massachusetts, and the surrounding North Shore region. The company specializes in installing modern electric heat pumps, high-efficiency boilers, and advanced water heating systems designed to lower carbon footprints and minimize energy consumption. By prioritizing low-emission heating designs and eco-friendly plumbing materials, they help residential clients transition away from fossil fuels. Their skilled technicians focus on meticulous ductwork sealing, water conservation retrofits, and smart thermostat integration to optimize indoor comfort and maximize resource efficiency. Dedicated to green building practices, they align their installations with Passive House principles and modern energy standards to ensure long-term durability. Whether upgrading an older home or equipping a new high-performance build, their team delivers reliable systems that prioritize both environmental stewardship and economic savings.