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Your Trusted HVAC & Plumbing Experts in Houlton, Maine
James McPartland & Sons is a family-owned and operated Plumbing, Heating, Ventilation, and Air Conditioning company established in 1893. For over 120 years, we have delivered high-quality, efficient, and innovative mechanical systems for commercial, residential, and industrial needs across Northern Maine. Our management team includes the fourth and fifth generations of the J.H. McPartland family, reflecting our commitment to longevity through hard work, skilled technicians, client dedication, and cutting-edge technology. We are fully licensed and insured, with State of Maine Master Plumbers, Master Oil Boiler Technicians, Master Solid Fuel Technicians, LP Gas Certified Installers, and Professional Engineers.

Our services encompass design, build, and service for HVAC and plumbing systems, emphasizing system efficiency, comfort, and cost-effectiveness. Customer testimonials highlight our professional staff, personalized attention, and reliable performance, as demonstrated in projects like the Baxter State Park heating system installation. With our headquarters in Houlton, Maine, we serve clients statewide, combining heritage with modern expertise to meet evolving mechanical system demands.
Services
HVAC Services Plumbing Systems Residential Plumbing Commercial Plumbing Heat Pumps Pellet Boilers Energy Recovery Systems Gas Boilers Dehumidification Systems Well Systems
Highlights and features
  • We have over 120 years of experience in HVAC and plumbing systems.
  • Our team includes fourth/fifth-generation family leadership with deep local expertise.
  • We offer fully licensed and insured services with certified professionals.
  • We specialize in innovative solutions like biomass boilers and heat pumps.
  • We provide personalized attention and guaranteed system performance.
What people say
Knowledgeable staff Professional installation Personalized attention Reliable performance Long-term expertise
Services
HVAC Services
We design, install, and maintain HVAC systems for residential and commercial properties. Our services include automated pellet boilers, heat pumps, gas furnaces, and energy recovery systems. With 120+ years of expertise, we ensure optimal comfort, efficiency, and cost-effectiveness for Maine clients.
Plumbing Systems
We provide comprehensive plumbing design, installation, and repair services for residential and commercial properties. Specializing in high-efficiency hot water systems, well systems, and commercial plumbing fixtures, our licensed technicians deliver reliable solutions tailored to client needs across Maine.
Pellet Boilers
Our automated pellet boilers offer sustainable heating for homes and businesses. Using biomass fuel, these systems reduce energy costs while maintaining efficiency. We engineer and install systems like the OkoFEN pellet heating solution, proven in projects like Baxter State Park.
Heat Pumps
We install air and water heat pumps that provide energy-efficient heating and cooling. These systems use variable refrigerant volume/temperature technology to adapt to climate conditions, ensuring year-round comfort with reduced environmental impact for Maine properties.
Commercial Plumbing
We design and service high-usage plumbing systems for businesses, schools, and churches. Our expertise includes energy-efficient hot water systems and water softening solutions, ensuring durability and compliance with commercial standards across Northern Maine.
People
James H McPartland
Founder
Founder of James McPartland & Sons, James H McPartland established the company in 1893, laying the foundation for a family legacy of mechanical system innovation and client-focused service in Maine.
Andrew
Project Lead
Andrew managed the Baxter State Park heating system installation, demonstrating expertise in biomass boiler engineering and client collaboration to resolve complex project challenges.
Questions
What HVAC services do you offer?
We provide heating, ventilation, air conditioning, and heat pump systems for residential and commercial properties.
Do you serve areas outside Houlton?
Yes, we serve all of Maine, including Northern Maine and commercial clients statewide.
Are your technicians licensed?
Yes, we employ Master Plumbers, Oil Boiler Technicians, and LP Gas Certified Installers.
What plumbing solutions do you provide?
We specialize in residential and commercial plumbing, including well systems, hot water efficiency, and high-usage fixtures.
Do you offer emergency HVAC services?
We do not provide 24/7 emergency services but prioritize timely project completion.
Can you install biomass heating systems?
Yes, we engineer and install automated pellet boilers for sustainable heating solutions.