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Expert HVAC Solutions for Commercial Clients in Boston
Founded over two decades ago, Mulkern Mechanical was established with a commitment to delivering superior HVAC services to commercial clients. Our growth has been driven by a relentless focus on quality, technical expertise, and client satisfaction. Our team of certified, factory-trained technicians brings extensive experience in servicing major brands like Trane, Carrier, and Liebert, ensuring reliable solutions for complex heating and cooling systems. We prioritize clear communication, explaining technical details in accessible terms to empower informed decision-making.

With specialized services for commercial spaces, including emergency 24/7 support and customized maintenance plans, weve built a reputation for excellence in Boston and surrounding areas. Our partnerships with industry leaders like AO Smith further enhance our ability to provide cutting-edge solutions tailored to our clients' unique needs.
Services
Air Conditioning Installation Emergency HVAC Repairs Boiler Maintenance Cooling System Upgrades Preventive Maintenance Plans Commercial Rooftop Units Chiller System Repairs Steam System Services Ductless Split Systems Equipment Replacement
Highlights and features
  • We offer 20+ years of specialized commercial HVAC expertise
  • Our technicians are certified and factory-trained for major brands
  • We provide 24/7 direct access to experienced HVAC professionals
  • Custom service plans tailored to your facility's specific needs
  • Proactive maintenance programs prevent costly equipment failures
What people say
24/7 emergency support Certified technicians Custom maintenance plans Reliable equipment upgrades Expert system diagnostics
Services
Air Conditioning Services
We install and service all major brands of commercial cooling equipment, including ductless split systems for phone/computer rooms and rooftop units ranging from 3 to 600 ton chiller systems. Our specialized cooling units ensure optimal temperature control for critical infrastructure spaces like data centers. With factory-trained technicians and partnerships with leading manufacturers, we deliver reliable solutions for maintaining ideal environmental conditions in commercial facilities.
Heating Services
Our comprehensive heating services cover installation and repair of all major boiler brands, including high-pressure and hydronic steam systems. As the Regional AO Smith representative, we provide premium equipment and expert maintenance to ensure efficient heating operations. Our technicians' deep knowledge of commercial heating systems minimizes downtime while maximizing energy efficiency and system longevity for our clients.
Emergency Services
We offer true 24/7 emergency HVAC services with direct access to experienced technicians - no answering services or call centers. Our rapid response team handles urgent cooling and heating system failures at any hour, minimizing business disruption. With immediate on-site diagnostics and repairs, we restore critical environmental controls quickly while providing transparent communication throughout the service process.
Service Plans
We develop tailored service plans in collaboration with facility managers to match specific operational needs. Our proactive approach includes scheduled inspections, filter and belt replacements, coil cleaning, and electrical component checks. These customized programs prevent unexpected breakdowns, extend equipment lifespan, and maintain optimal system performance while providing predictable budgeting for commercial HVAC maintenance.
Equipment Replacement
We specialize in complete HVAC system replacements and modernization projects for commercial properties. From domestic hot water systems at medical facilities to rooftop equipment upgrades in historic districts, our team manages complex installations with minimal disruption. We help clients select energy-efficient solutions that reduce operating costs while ensuring compliance with current building codes and environmental regulations.
People
Joe Mulkern
Founder & President
With over 20 years in commercial HVAC, Joe Mulkern established the company to deliver superior service through technical expertise and client-focused solutions. His leadership emphasizes certified technician training and direct customer access.
Questions
What commercial HVAC services do you offer?
We provide comprehensive services including air conditioning installation, boiler maintenance, emergency repairs, system upgrades, and customized preventive maintenance plans for commercial properties.
Do you offer 24/7 emergency HVAC support?
Yes, we provide true 24/7 emergency services with direct access to experienced technicians - no call centers or answering services.
How do your maintenance plans work?
Our plans include quarterly inspections, filter replacements, coil cleaning, and system checks tailored to your facility's specific HVAC equipment and operational needs.
What areas do you serve?
We serve Boston and surrounding areas including Chelsea, Beacon Hill, Needham, and Boylston Street commercial properties.
Are your technicians certified?
Yes, all our technicians are certified and factory-trained for major HVAC brands like Trane, Carrier, and Liebert.
Can you handle complex HVAC projects?
We specialize in complex installations and replacements including chiller systems, rooftop units, and specialized cooling for technical spaces.