Commercial Rooftop Unit Repair & Replacement
Rooftop unit down, short cycling, or losing cooling? Blue Works diagnoses and repairs commercial RTUs across Florida, and plans crane-coordinated replacements when a unit is past repair.
24/7 emergency dispatch, same-day service when available
Credentials and coverage
- Licensed Florida mechanical contractorFL Lic. #CMC1251435
- Licensed and insuredFor commercial facility work
- 24/7 emergency dispatchSame-day service when available
- Commercial service across FloridaAll of Florida
Request RTU Service
Tell us what is happening with your rooftop unit. Our commercial service team will review the request and contact you to discuss the equipment, building conditions, and next steps.
Commercial service requests are typically reviewed within two business hours.
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Commercial RTU Work Requires Planning, Communication, and Field Experience
A rooftop unit affects more than the temperature inside the building. Equipment failure can interrupt tenant operations, affect employees and customers, place inventory at risk, and create pressure on the person responsible for the property. Our team approaches each RTU service call with the technical assessment, project planning, and communication commercial facilities require.
Licensed Florida Mechanical Contractor
Blue Works performs commercial HVAC service under Florida license CMC1251435.
Licensed and Insured
Our commercial mechanical work is completed with the licensing and insurance coverage required for professional facility service.
Commercial RTU Experience
We diagnose, repair, maintain, and replace packaged rooftop equipment serving offices, retail properties, warehouses, restaurants, institutions, and other commercial facilities.
Crane and Rigging Coordination
For replacement projects, we coordinate equipment access, crane scheduling, rigging, curb conditions, delivery timing, and work around building operations.
Clear Scope and Communication
We explain our findings, outline the recommended work, identify replacement considerations, provide clear pricing, and communicate through each phase of the project.
24/7 Emergency Availability
Our commercial service team is available when a rooftop cooling failure cannot wait for normal business hours.
Serving property managers, facility teams, building owners, retail operators, industrial facilities, offices, restaurants, healthcare properties, schools, and multi-site portfolios.
Is Your Rooftop Unit Down, Struggling, or Repeatedly Failing?
Commercial rooftop units usually show signs of declining performance before a complete failure. Reduced airflow, warm supply air, electrical problems, refrigerant loss, drainage issues, unusual cycling, and repeated repairs can all indicate that the equipment needs a complete evaluation.
Our technicians inspect the unit as a complete system. We look at the immediate failure, the condition of the major components, airflow, controls, electrical performance, refrigerant operation, cabinet condition, drainage, and the repair history when it is available. From there, we explain what can be repaired, what should be monitored, and whether replacement should be considered.
Common warning signs
- Unit will not start or repeatedly trips
- Warm supply air or weak airflow
- Short cycling or inconsistent temperature control
- Water around the unit, curb, or roof drain
- Compressor, blower motor, or condenser fan problems
- Visible corrosion on the cabinet, coils, or electrical components
- Frequent refrigerant leaks or loss of cooling capacity
- Repeated repairs on the same unit
- Rising energy use from aging equipment
- A unit that is 12 to 15 years old with increasing repair costs
Should We Repair or Replace Your RTU?
The right recommendation depends on more than the age of the equipment. During our assessment, we consider the current failure, overall unit condition, repair history, refrigerant type, parts availability, operating cost, remaining service life, building load, and the effect another failure could have on your facility.
When Repair May Be Practical
Repair may make sense when the main equipment remains in serviceable condition, the failure is isolated, replacement parts are available, and the repair can restore reliable operation without creating unreasonable cost.
- Electrical or control component failure
- Fan motor, belt, bearing, or blower repair
- Drainage or condensate problems
- Economizer or damper issues
- Repairable refrigerant leaks
- Sensor, thermostat, or control board problems
- Coil cleaning and airflow correction
- A unit with reasonable remaining service life
When Replacement Should Be Considered
Replacement may make more financial sense when the unit has major component damage, repeated failures, severe corrosion, outdated refrigerant, poor efficiency, limited parts availability, or an increasing risk of disruption to the building.
- Repeated compressor or refrigerant problems
- Severe cabinet, coil, or electrical corrosion
- Frequent service calls on the same equipment
- High operating cost and declining capacity
- Obsolete or difficult-to-source parts
- A unit that no longer matches the building load
- Damage that makes repair cost difficult to justify
- A planned capital project intended to reduce emergency failures
Our recommendation should give you enough information to make a practical decision for the building. When repair remains reasonable, we explain the work required. When replacement is the stronger option, we develop the scope needed to move the project forward.
Repair
Commercial RTU Repair Services
When an RTU is down or underperforming, our first priority is to identify the cause of the problem and determine what is required to restore safe, stable operation. We service the mechanical, electrical, refrigerant, airflow, drainage, ventilation, and control systems that allow packaged rooftop equipment to operate correctly.
Diagnostics and Mechanical Repair
We evaluate the complete operating sequence and repair failed components that are affecting cooling, heating, airflow, or equipment reliability.
Refrigerant and Cooling Performance
We test system operation, verify temperature performance, inspect refrigerant circuits, and identify problems that are reducing capacity.
Airflow, Economizers, and Ventilation
We inspect the airflow and outdoor air components that affect comfort, building pressure, ventilation, and equipment performance.
Electrical and Controls
We inspect the electrical and control systems that start, stop, protect, and regulate the rooftop unit.
Replacement
Complete Commercial RTU Replacement
Replacing a rooftop unit requires coordination across the equipment, roof, electrical service, controls, crane access, building schedule, and startup process. Our team plans the replacement as a complete commercial project so each part of the installation is addressed before the new equipment arrives.
We begin by reviewing the existing unit, curb, electrical requirements, controls, airflow needs, access conditions, and current building use. Once the replacement scope is established, we coordinate equipment delivery, rigging, crane scheduling, installation, connections, startup, and final testing.
Included replacement scope
- Existing equipment assessment
- Capacity and load review
- Replacement equipment selection
- Curb measurement and condition review
- Curb adapter planning where required
- Crane and rigging coordination
- Equipment delivery scheduling
- Old unit removal
- New RTU placement
- Electrical connections and disconnect work
- Control and thermostat connections
- Economizer and outdoor air setup
- Condensate drain installation
- Gas connection where applicable
- Roof opening and flashing coordination
- Startup and commissioning
- Temperature and airflow verification
- Removal and disposal of old equipment
- Final project documentation
For occupied facilities, we also plan around access, tenant schedules, operating hours, loading areas, parking restrictions, noise, and the time the building can remain without cooling. When the project requires phased work or temporary operating plans, we discuss those requirements before installation.
Our process
How We Handle Commercial RTU Service
Our process is designed to give the person responsible for the facility clear information, a defined scope, and an accountable path from the first service request through final performance verification.
Site and Equipment Assessment
We review the service issue, safely access the roof, inspect the rooftop unit, and evaluate conditions that may affect the repair or replacement.
Diagnosis or Replacement Planning
For repair work, we identify the failed components and test the related systems. For replacement work, we review capacity, curb conditions, electrical requirements, controls, drainage, access, and crane logistics.
Clear Scope and Pricing
We explain our findings, outline the recommended work, identify any project considerations, and provide pricing for the approved scope.
Repair or Installation
Our team completes the authorized work, coordinates the required trades and equipment, protects the work area, and keeps the facility contact informed.
Startup and Verification
After the work is complete, we test system operation, verify airflow and temperature performance, confirm controls, inspect drainage, and document the final condition.
Field work
Commercial RTU Work in the Field
Our rooftop work includes active service calls, planned equipment replacements, curb and connection work, electrical coordination, drainage installation, and final startup across commercial facilities in Florida.

On-roof diagnostics and component testing for a commercial packaged unit.

Completed RTU installation with electrical disconnect, condensate drainage, and weatherproof connections in place.

Commercial rooftop unit mounted on a galvanized curb with flashing and roof protection completed around the installation.

Planned replacement work coordinated around equipment access, crane placement, and building operations.
RTU Service for Commercial Facilities
We work with the people responsible for keeping commercial buildings operating. Our team can support individual properties, occupied facilities, planned capital replacements, and multi-site service needs.
Each facility has different access, scheduling, ventilation, occupancy, and operating requirements. We account for those conditions when we plan the service call or replacement project.
Commercial Rooftop Equipment We Service
Packaged Rooftop Units
Single-zone gas and electric, cooling-only, and heat pump rooftop systems serving commercial buildings.
Multi-Zone and VAV Equipment
Rooftop systems that serve multiple zones through variable air volume controls and distribution systems.
Make-Up Air and Ventilation Units
Equipment that provides conditioned outdoor air and supports building ventilation, pressure, and exhaust requirements.
High-Efficiency Replacement Equipment
Modern packaged equipment selected to improve reliability, operating performance, controls, and energy use.
Protect Your Rooftop Units With Planned Maintenance
Regular RTU maintenance helps us identify worn belts, dirty coils, drainage problems, failing electrical components, refrigerant issues, airflow restrictions, and control problems before they lead to a larger interruption.
For buildings with multiple rooftop units, a maintenance agreement also creates a clearer equipment history. That information helps our team track recurring problems, prioritize aging units, and support future repair or replacement planning.
- Filter service
- Coil inspection and cleaning
- Belt and bearing checks
- Electrical inspection
- Drain and condensate inspection
- Refrigerant performance checks
- Economizer and damper checks
- Control testing
- Heating inspection where applicable
- Documented equipment condition
Commercial RTU Service Questions
Get Help With Your Commercial Rooftop Unit
Down today, losing capacity, stuck in a repair loop, or due for a planned replacement: our commercial HVAC team assesses the equipment and gives you a clear service plan to move forward.
24/7 emergency commercial HVAC service available
