Areas We Serve

Big Al’s Services is a trusted HVAC and heating company based in Plaistow, NH proudly serving homeowners across Southern New Hampshire and nearby Massachusetts, including Salem, Derry, Londonderry, Windham, and Nashua. With years of hands-on experience and a strong reputation for dependable service, we specialize in furnace and boiler installation, AC mini split systems, oil tank services, preventive maintenance, and emergency repairs. Our team is committed to delivering high-quality workmanship, fast response times, and reliable comfort solutions tailored to every customer’s needs.