James McPartland & Sons

James H McPartland & Sons is a family owned and operated Plumbing, Heating, Ventilation, and Air Conditioning company established in 1893. For over 120 years, we have been providing high-quality, efficient, effective, and innovative mechanical systems for all aspects of commercial, residential, and industrial needs. Our management team includes the fourth and fifth generation of J.H. McPartland. We pride our longevity on hard work, excellent mechanical technicians, commitment to clients, and staying on the cutting edge of mechanical system technology. We are a fully licensed and insured company with State of Maine Master Plumbers, Master Oil Boiler Technicians, Master Solid Fuel Technicians, LP Gas Certified Installer, and Professional Engineer. Contact us to find out how we can assist you with your Design / Build / Service needs.

HVAC Services

JH McPartland & Sons is your one-stop shop for all your HVAC needs. Whether you are looking for professional engineering design services, expert installation, innovative solutions, or detailed system upkeep - look no further. Our services include fully automated pellet boilers for your home or business, biomass boilers for your campus, school, or business, air and water heat pumps, efficient and effective control systems, heat/energy recovery ventilation systems, gas boilers and furnaces, Energy Star oil boilers and furnaces, air conditioning systems, dehumidification systems, and humidification systems. We work with various HVAC manufacturers to provide you with the best solutions for your needs.

Plumbing Services

JH McPartland & Sons provides design, installation, and service for all varieties of plumbing systems. We specialize in commercial plumbing systems with high usage plumbing fixtures serving your business, school, or church. We have the expertise to make your new high-end kitchen and bathroom dreams come true. Our services include commercial plumbing systems, residential plumbing systems, energy-efficient hot water systems, well systems, water softening systems, and we work with various plumbing manufacturers to provide you with the best solutions for your needs.