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Commercial Rooftop Unit Repair

Armus Mechanical provides professional commercial rooftop unit repair for businesses, property managers,
and facilities throughout Southeastern Massachusetts and Rhode Island. Rooftop units (RTUs)
are common in retail, office, and industrial buildings and require experienced commercial technicians for proper
diagnostics and repair.

When rooftop HVAC systems fail, comfort, ventilation, and operations are impacted. Our focus is fast, accurate service
that restores performance and reliability.

This service page is a specialization supporting our core
Commercial HVAC Services.

Commercial Rooftop HVAC Repair Services

Rooftop units are often the primary source of heating, cooling, and ventilation for commercial buildings. We deliver
repair-first service built around accurate troubleshooting, clear communication, and reliable outcomes.

Rooftop Unit (RTU) Repair and Diagnostics

We specialize in rooftop unit repair for packaged commercial HVAC systems and service both single-zone and
multi-zone packaged units used in commercial applications.

Our RTU services include:

  • Cooling and heating failure diagnostics
  • Electrical and control troubleshooting
  • Compressor and condenser issues
  • Gas heat and ignition problems
  • Airflow and capacity issues
  • Sensor, thermostat, and control failures

Common Commercial Rooftop HVAC Problems We Repair

Commercial rooftop units experience wear and failures that require professional troubleshooting. We commonly repair:

  • No cooling or no heat conditions
  • RTU short cycling
  • Fan motor and blower failures
  • Economizer and damper issues
  • Control board and communication problems
  • Poor airflow and uneven temperatures

Our diagnostics focus on correcting system-level problems rather than temporary fixes.

Packaged Commercial HVAC Systems

Many commercial buildings rely on packaged rooftop HVAC systems for heating, cooling, and ventilation. We service:

  • Gas/electric packaged units
  • Heat pump rooftop units
  • Integrated economizer systems
  • Rooftop units tied into building controls

Why Choose Armus Mechanical for Rooftop Unit Repair

  • Commercial-focused HVAC expertise
  • Experience with packaged rooftop systems
  • Clear communication for property managers
  • Repair-first approach with honest recommendations
  • Reliable service for mission-critical HVAC equipment

Our rooftop unit repair services are supported by our full commercial HVAC capabilities. Explore our
Commercial HVAC Services
for broader commercial support.

  • Commercial HVAC repair
  • Commercial VRF system repair
  • Commercial refrigeration repair
  • Commercial boiler and hydronic heating service

Service Areas

We provide commercial rooftop unit repair throughout:

  • New Bedford, MA
  • Fall River, MA
  • Taunton, MA
  • Dartmouth, MA
  • Attleboro, MA
  • Surrounding Southeastern Massachusetts and Rhode Island areas

Our Comprehensive HVAC Services

For reliable HVAC service, contact us today. Call 508-521-9477 or email armusinfo@gmail.com to get started.

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Providing quality and friendly service throughout Southern New England.

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