At Nelson Electric & Air we offer a wide range of electrical services and solutions designed to meet the needs of homeowners in Londonderry, NH and surrounding areas. We provide installations of new systems, prompt and efficient repairs and routine maintenance. Our skilled team ensures that your electrical system operates flawlessly year-round. We provide thorough assessments and enhancements to improve the safety of your electrical system. At Nelson Electric & Air, we are committed to delivering exceptional service with transparency and reliability, ensuring that every customer experiences optimal safety and satisfaction. Whether you need emergency repairs or  you’re considering an upgrade to a reliable & safe electrical system, Nelson Electric & Air is your trusted local partner in electrical care.

At Nelson Electric & Air, we offer a comprehensive range of services to meet all your electrical and HVAC needs. Our HVAC services ensure year-round comfort with reliable heating, cooling, and indoor air quality solutions. We specialize in wiring and wiring repair services, providing safe, efficient installations and repairs to keep your home running smoothly. For those looking to upgrade their lifestyle, our home automation services bring modern convenience and control at your fingertips. We also provide expert EV charger installations, making it easy to power your electric vehicle at home. From panel and circuit services to indoor and outdoor lighting installations, our team is dedicated to enhancing the safety, efficiency, and aesthetics of your property. Trust Nelson Electric & Air for all your essential services—contact us today to get started!