Universal Heating & Air provides heating and cooling repair, maintenance, installation, and emergency service for customers in La Mirada.


When your air conditioner stops cooling or your heater will not start, the first decision is whether you need immediate help or a planned service visit. Universal Heating & Air serves La Mirada and is open 24 hours a day, seven days a week, with emergency cooling and heating services available.
Having repair, maintenance, and replacement options through one business gives you a place to start whether equipment has suddenly stopped working or you are considering a change. Commercial HVAC installation, maintenance, repair, and emergency repair are also available for businesses in La Mirada.

A few observations can help you explain the problem when you contact us. You do not need to diagnose the equipment or open it up before asking for service.
If it is safe, confirm that the thermostat is set to heating or cooling and note the displayed temperature.
Write down whether the system will not start, runs without reaching the setting, makes an unfamiliar sound, or stops repeatedly.
If the equipment keeps shutting down or seems unsafe, leave it off rather than repeatedly trying to run it.
Tell us you are in La Mirada, describe the problem, and say whether you need emergency service or want to discuss a planned visit.
If there is smoke, a gas smell, or an immediate danger, move to safety and contact the appropriate emergency service before arranging equipment repairs.
A breakdown does not automatically mean that the whole system needs replacing. As a general rule, the decision depends on the fault, the equipment’s condition, its repair history, and whether it still meets your heating and cooling needs. Keeping a record of recurring problems can make that discussion more useful.
Universal Heating & Air offers AC repair and maintenance, furnace repair and replacement, heating installation, and system replacements and upgrades. For a planned project, consider which rooms need conditioning, what equipment you already have, and what you want to change before discussing an installation.
Available options include air conditioner installation, mini-split installation, and heat pump repair and installation. Different equipment types suit different layouts and needs; choosing between them calls for more than comparing product names. Space, existing distribution, and the areas you want to heat or cool all matter.
For an existing system, maintenance is a separate consideration from an immediate repair. Universal Heating & Air offers HVAC maintenance plans, annual furnace maintenance service, and the Universal HVAC Comfort Care Plan, a monthly maintenance membership. Ask about the plan when discussing ongoing care for your equipment.
Universal Heating & Air also offers plumbing, electrical, insulation, air duct cleaning, and dryer vent cleaning services.
If your concerns extend beyond heating or cooling, mention them when you get in touch. Describing each issue separately helps keep the conversation focused on the work you need rather than assuming that one problem explains everything.
Yes. La Mirada is part of Universal Heating & Air’s service area. Contact us to discuss your property and the service you need.
Yes. Universal Heating & Air is open 24 hours a day, every day, and offers emergency heating and cooling services.
Yes. Commercial services include AC installation, maintenance, and repair, emergency HVAC repair, heating installation, and thermostat repair.
Yes. HVAC financing is available. Ask about financing when discussing your heating or cooling project.
Need service in La Mirada? Call 323-763-5777 or use the contact form to describe your concern, request service, or discuss your next heating and cooling project.