Business Details
30 Years
experience
Emergency
services
Your Trusted HVAC & Plumbing Experts in New England
Main Stream Mechanical was founded in 1996 with a commitment to delivering exceptional HVAC and plumbing services across Massachusetts and New Hampshire. Our team of licensed professionals brings over 60 years of combined experience in heating, cooling, and plumbing systems, ensuring expert solutions for residential needs. We prioritize customer satisfaction through prompt service, ongoing technical training, and a focus on energy-efficient technologies. Our technicians are certified in high-efficiency equipment installation and maintenance, including Mitsubishi mini-split systems. We operate 24/7 for emergency services and maintain fully stocked vehicles to address routine and urgent plumbing issues.Our dedication to quality is reflected in our extensive service warranties and partnerships with industry-leading manufacturers. We provide comprehensive consultations for system replacements and participate in energy-saving programs like Mass Save. Our reputation for reliability has been built through decades of resolving complex HVAC challenges and maintaining transparent communication with clients. We guarantee factory-certified repairs and installations that meet all local regulatory standards.
Services
HVAC Installation
Plumbing Services
Boiler Repair
Mini-Split Systems
Emergency Repairs
Ductless AC
Generator Installation
Water Heater Replacement
Furnace Maintenance
Heat Pump Services
Details
- Year established: 1996
Highlights and features
- We offer 24/7 emergency HVAC and plumbing services with rapid response times
- Our technicians hold over 60 years of combined experience in residential systems
- We maintain factory-certified Mitsubishi Diamond Contractor status with extended warranties
- We provide energy-saving solutions with Mass Save program participation
- Our vehicles are fully stocked for same-day plumbing repairs and replacements
What people say
Extremely excellent service
Knowledgeable technicians
Prompt response
Professional and courteous
Seamless installation
Services
HVAC Installation
We specialize in complete HVAC system installations for residential properties. Our certified technicians handle gas, oil, and electric heating systems including furnaces, boilers, and ductless mini-splits. We offer energy-efficient solutions that meet modern efficiency standards while ensuring proper system sizing and installation. Our team provides expert guidance on system selection and participates in manufacturer warranty programs.
Plumbing Services
Our licensed plumbers address all residential plumbing needs including emergency repairs, water heater replacements, and fixture installations. We handle gas line work, pipe repairs, and drain cleaning with same-day service availability. Our technicians maintain extensive experience with both traditional and modern plumbing systems, ensuring code-compliant solutions for kitchens, bathrooms, and whole-house systems.
Mini-Split Systems
We install and service Mitsubishi mini-split systems for both heating and cooling applications. These energy-efficient systems work effectively in homes without existing ductwork through wall, ceiling, or floor-mounted units. Our Diamond Contractor status ensures access to extended warranties and specialized technical support. We help homeowners achieve zoned temperature control with quiet, space-saving designs.
Emergency Repairs
Our emergency repair team operates 24 hours a day, 7 days a week for urgent HVAC and plumbing issues. We respond to heating failures, burst pipes, and AC breakdowns with fully equipped service vehicles. Our technicians carry common replacement parts for immediate repairs and provide transparent pricing for after-hours service calls across our service territory.
Boiler Services
We provide comprehensive boiler maintenance, repair, and replacement services for both oil and gas systems. Our technicians handle forced hot water and steam boiler systems with expertise in efficiency optimization and safety compliance. We offer replacement recommendations based on system age, repair history, and energy efficiency potential while maintaining proper licensing for all boiler-related work.
Questions
What HVAC services do you offer?
We provide complete heating and cooling solutions including furnace and boiler installations, ductless mini-split systems, AC repairs, and annual maintenance programs.
Do you service both Massachusetts and New Hampshire?
Yes, we serve communities across Massachusetts and southern New Hampshire with both emergency and scheduled service appointments.
Are you available for emergency repairs?
Our 24/7 emergency service team responds to HVAC and plumbing emergencies year-round with rapid response times.
What payment options exist?
We accept major credit cards and offer financing options for major system replacements through available promotions.
Do you offer maintenance plans?
Yes, we recommend annual heating system tune-ups to maintain efficiency and extend equipment lifespan while preserving manufacturer warranties.
What makes you different from other contractors?
Our Mitsubishi Diamond Contractor status, 24/7 service availability, and technicians with 60+ combined years of experience set us apart in the industry.