Commercial HVAC
Commercial HVAC Repair & Service in Greater Pittsburgh
When a commercial heating or cooling system stops working, your first priority is understanding the problem and what it will take to restore operation. Heirloom Mechanical provides commercial HVAC diagnostics and repair for businesses, rental properties, and managed facilities.
Tell us which equipment is affected, what symptoms you are seeing, and how the issue is affecting your building. We can discuss the service request, access requirements, and next steps.
Urgent Service
For urgent heating or cooling failures, call 412-889-6800 to discuss availability. We are available 24/7 for emergencies.
Common Commercial HVAC Problems
These are the types of issues we address. Describe what you are experiencing when you contact us.
No Heating or Cooling
Equipment that has stopped producing conditioned air, including complete failures during occupied hours.
Uneven Temperatures
Areas of the building that are consistently too hot or too cold while other zones operate normally.
Unusual Equipment Noise
Banging, grinding, rattling, or other sounds that were not present during normal operation.
Recurring Shutdowns
Equipment that cycles off before reaching setpoint, trips breakers, or requires repeated resets.
Elevated Energy Use
Unexplained increases in utility costs that may indicate a system operating outside normal parameters.
Refrigerant or Drainage Issues
Visible leaks, water around equipment, or ice formation on coils or refrigerant lines.
Equipment We Service
Our commercial repair work covers the heating and cooling equipment types found in most Pittsburgh-area commercial properties.
- Rooftop packaged units (RTUs)
- Commercial split systems
- Gas and electric furnaces
- Heat pumps
- Boilers
- Ductless mini-split systems
How We Approach Commercial Service
We start by understanding the problem before proposing a solution.
Discuss the Symptoms
We ask about the equipment, the problem, affected areas, and any access or coordination requirements.
Inspect the Equipment
Our technician inspects the system, runs diagnostics, and identifies the cause of the problem.
Explain Findings
We explain what we found and present repair options clearly before any work begins.
Verify Operation
After completing repairs, we verify that the equipment is operating correctly before leaving the site.
Information That Helps with Scheduling
When you contact us, having the following information ready helps us understand the request and plan the visit.
- Property address and on-site contact name
- Equipment type and location (rooftop, mechanical room, etc.)
- Description of the problem and affected areas
- Roof access requirements, locked mechanical rooms, or tenant coordination needs
- Preferred service window or scheduling constraints
When recurring repairs suggest the equipment is approaching end of life, we can discuss whether a replacement conversation makes sense.
Frequently Asked Questions
Request Commercial HVAC Repair
Discuss Your Service Request
Describe the equipment, the problem, and how it is affecting your building. We will discuss the service request and next steps.
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