Commercial HVAC · Nationwide
Rooftop unit service
Rooftop units combine cooling, heating and the blower in one cabinet. Common failures are belts, condenser fan motors, economizer dampers stuck open, and gas heat ignition. Replacements usually need a crane and a curb adapter.
- Same-day appointments when available
- Licensed HVAC contractors
- Written price before any repair

Economizers stuck open let 110°F outdoor air in and are often missed.
Plan replacements for spring or fall to avoid peak-season crane scheduling.
Rooftop Unit (RTU) Service at a glance
- Category
- Commercial HVAC
- Service area
- Nationwide
- Typical visit
- Diagnose → Repair → Seal → Replace
- Urgent help
- Yes. Call for the fastest connection.
Symptoms
Signs you need rooftop unit (rtu) service
- Warm air in the space
- Squealing belt
- Economizer damper stuck
- Water through the roof curb
Process
How the visit works
- 1
Diagnose
Cooling, heating, controls and economizer.
- 2
Repair
Belts, motors, valves and boards.
- 3
Seal
Curb and panel gaskets.
- 4
Replace
Crane, curb adapter and permit when needed.
Cost
What affects the price
Every contractor sets their own prices. These are the things that move the number. Ask for a written price before work starts.
- Tonnage
- Crane and permit
- Curb adapter fit
Before the tech arrives
What you can safely do
Safe to try
- Note unit tags and model numbers
Stop and call
- Stay off roofs without fall protection
FAQ
Rooftop Unit (RTU) Service questions
What is an economizer?+
A damper system that uses outdoor air for cooling when it's cool outside. In summer it should close; a stuck one wastes energy.
Rooftop Unit (RTU) Service by state
Related
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