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 XL MECHANICAL · SINCE 2002 · BANGOR, ME

Maine's only Daikin factory service provider.

Commercial HVAC service, maintenance, and mechanical solutions

for Maine facilities.

Daikin Factory Service

EFFICIENCY MAINE

HONEYWELL

SIEMENS

TRIDIUM

VYKON

YANMAR

Request Service

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Equipment down? Our technicians are ready to help!

Schedule a service now →

Service Agreement

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Looking to reduce equipment down time and protect your equipment?

See what's included in a plan →

Building Automation

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Need a BMS or a DDC system visit our automation team.

Visit XL Automation →

COMMERCIAL HVAC & MECHANICAL SERVICES

Keeping Maine Facilities Running Reliably.

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From routine preventive maintenance to complex equipment service and repair, XL Mechanical supports the HVAC and mechanical systems that keep commercial, industrial, institutional, and public facilities operating.

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PREVENTIVE MAINTENANCE

Protect your equipment. Prevent Costly Downtime.

Scheduled inspections, cleaning, testing, and maintenance help identify problems before they become expensive equipment failures. We work around your facility, equipment, and operating requirements.

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HEATING SYSTEMS

Reliable heat for demanding facilities.

We service and maintain commercial and industrial heating systems to help keep your facility operating safely, efficiently, and reliably through Maine's toughest seasons.

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HEAT PUMPS

Efficient heating and cooling, properly maintained

Our technicians service and repair commercial heat pump systems, from refrigeration charge and diagnostics to cleaning, component service, and system performance.

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AIR CONDITIONING

Keep your facility comfortable and your equipment performing.

We diagnose, service, and repair commercial air-conditioning systems to help maintain reliable operation, system performance, and occupant comfort.

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CHILLERS

Critical cooling deserves experienced service.

From routine maintenance and diagnostics to repairs and system upgrades, we help keep commercial and industrial chiller systems operating reliably and efficiently.

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REFRIGERATION

Keep critical refrigeration systems running.

We provide commercial refrigeration maintenance, leak diagnostics, repairs, and system service to help protect equipment performance and minimize unexpected downtime.

SERVICE YOU CAN BUILD A PLAN AROUND

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Keeping Maine Facilities Running Reliably.

A reactive repair can get your equipment running again. A properly planned maintenance program can help prevent the failure in the first place.

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Our service agreements provide scheduled maintenance and professional equipment care designed around your facility's needs—helping you extend equipment life, improve reliability, and reduce unexpected downtime.

Learn more about what's included in a service agreement to keep your equipment running smoothly.

© 2026 by XL Mechanical Solutions

​…I would definitely recommend XL Mechanical Energy Management to anyone. Their staff is knowledgeable, conscientious, hardworking, trustworthy and honest.

— Mark E. Roberts, P.E. SRM Engineering Supervisor and Directorate of Facilities Engineering.

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Need building automation or controls support? Visit 

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