Universal Heating & Air offers roof mount unit services in Los Angeles for customers planning rooftop HVAC work or addressing an existing system.


Roof-mounted HVAC equipment puts the system above the occupied space rather than beside the building. That location makes access, equipment condition and the connection to the building important parts of any service decision. The right next step depends on whether you are dealing with an operating problem, planning replacement or considering equipment for a building project.
Start with what you have noticed inside. Uneven temperatures, reduced airflow, unexpected shutdowns or unfamiliar operating sounds can be reasons to seek an evaluation. These symptoms do not identify the cause on their own, so describing when and where they occur is more useful than guessing which component needs attention.

A rooftop HVAC project involves more than the equipment itself. Depending on the job, relevant considerations can include the unit’s capacity, duct connections, electrical requirements, controls and the condition of its mounting arrangement. Roof access and the space available around the equipment also affect how work can be planned.
For existing equipment, an assessment helps distinguish an isolated fault from a broader condition issue. For a replacement project, equipment selection should account for the building’s heating and cooling needs—not simply copy the size of the old unit. These are project-specific questions to discuss before deciding on a scope of work.
An operating problem does not automatically mean a unit needs replacing. The decision can depend on the nature of the fault, the equipment’s overall condition, its service history and how well it meets the building’s needs. Repeated interruptions may warrant a different conversation than a single, identifiable problem.
Replacement planning also involves practical considerations beyond choosing equipment. Access to the roof, compatibility with existing connections and coordination around building use can influence the work. Ask for a clear distinction between what is necessary for the current problem and what is being considered for a longer-term change.
You do not need to diagnose the equipment before contacting a service business. A few details can make the initial conversation more useful:
Describe what changed, when it started and whether the issue is constant or intermittent.
Share existing records or model information if you already have them.
Explain how authorized personnel reach the roof and whether access requires coordination.
Say whether you need help with a current problem or are planning future equipment work.
Do not climb onto the roof simply to gather information. Use records already available to you and discuss access arrangements when contacting the business.
Universal Heating & Air lists roof mount units among its services and also offers commercial HVAC AC installation, maintenance and repair. That makes the business a point of contact for discussing rooftop equipment alongside the building’s HVAC needs.
The business is open 24 hours a day, seven days a week. Contact Universal Heating & Air to describe the equipment, explain your concerns and discuss the work you are considering.
Not necessarily. Poor cooling can have different causes. An evaluation can help determine whether the issue calls for a repair or a broader replacement discussion.
The scope, equipment requirements, access arrangements and condition of existing connections can affect cost. Discuss your particular project before making a budget decision.
Have a description of the problem or project, any equipment records you already hold and information about roof access. There is no need to access the roof yourself.
Universal Heating & Air is open 24/7. Contact the business to discuss scheduling and your rooftop equipment needs.
Call Universal Heating & Air at 323-763-5777 or use the contact form. Describe your rooftop system and what you need help with to start the conversation.