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Claim This BusinessUniversal Heating & Air has served Los Angeles homeowners for over two decades, building a reputation across 375 verified customer reviews that consistently award them a 4.7-star rating. As a licensed HVAC contractor operating 24 hours a day, seven days a week, the company handles everything from emergency furnace breakdowns to full system replacements across LA neighborhoods including West Hollywood, Pasadena, and Glendale. Their team of certified technicians arrives in marked vehicles equipped to diagnose and repair most systems on the first visit, minimizing the disruption to households dealing with failed heating or cooling equipment.
What distinguishes Universal Heating & Air from neighboring contractors is their straightforward pricing model and commitment to transparency. Customers repeatedly mention that estimates prove fair when compared against competing bids, and the company often includes like covering tax on new equipment purchases. Their service portfolio covers the full spectrum of residential climate control, from traditional split systems to modern high-efficiency heat pumps, and they maintain relationships with major equipment manufacturers to ensure genuine parts and warranty protection for every job.
The proof of their service quality lives in the specific scenarios Los Angeles residents describe in their reviews. When Jack Mullen's furnace failed on a freezing February Monday morning, technician Claudia dispatched a team by 1pm and had a new furnace installed by 4pm the following day. Tera Chambers needed her old in-floor furnace removed and found the process so smooth she specifically praised Sal for his professionalism throughout the booking and execution. During the brutal 2025 summer heat wave, contractor Emilio Smeke received same-day service from a team that not only fixed his AC but proactively inspected his other cooling units to ensure everything was operating safely.
Across 375 reviews, customers frequently mention same-day emergency service and fair pricing as primary reasons for choosing Universal. Five named technicians, Claudia, Sal, Peri, and the crews dispatched during heat waves, receive specific praise for professionalism and problem-solving ability. The rating of 4.7 stars reflects consistent satisfaction with both repair speed and diagnostic thoroughness.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnostic services and repairs for air conditioning systems that have stopped blowing cold air or exhibit performance issues.
Complete furnace replacement including removing vintage equipment like 60-year-old units and installing new high-efficiency systems.
Installation and repair of modern heat pump systems for year-round heating and cooling efficiency.
Smart thermostat setup including Google Nest thermostats with app-based remote control capabilities.
Comprehensive multi-unit inspections during service calls to ensure all HVAC equipment functions properly.
24-hour, seven-day availability for same-day response to heating and cooling emergencies.