Skip to content 
HVAC Repair Services in Los Angeles
Welcome to US Air Conditioning & Heating, offering expert HVAC Repair in Los Angeles services to keep your home or business comfortable year‑round with fast, reliable solutions, day or night.
About Us
Emergency & 24/7 AC Repair Los Angeles
At US Air Conditioning & Heating, we proudly serve the Los Angeles region with top-tier HVAC expertise. With years of experience in emergency HVAC repair Los Angeles and prompt 24/7 AC repair Los Angeles, our team is always on call for your comfort.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id
We specialize in commercial AC installation Los Angeles, ductless mini split installation Los Angeles, expert install heat pump Los Angeles, maintenance of rooftop AC package unit Los Angeles, and comprehensive indoor air quality monitoring Los Angeles to ensure your space is efficient and healthy. Each service is backed by certified technicians, honest pricing, and friendly, responsive support.
Our core strengths:
- 24-hour emergency response for sudden breakdowns
- Expertise in large-scale commercial and rooftop system installations
- Advanced ductless mini split and heat pump services
Services
Trusted Emergency HVAC Repair Los Angeles & Full-Service Solutions
Air Conditioning Maintenance
Preventive care is vital in LA’s warm climate. We perform full system tune-ups: coil cleaning, refrigerant level checks, airflow balancing, and thermostat calibration. This helps extend lifespan, improve efficiency, and save on energy bills. Whether it's a central system or ductless mini split, our maintenance keeps units running smoothly all year. Our team also inspects rooftop AC package unit Los Angeles setups to ensure reliable performance in commercial applications.
Air Conditioning Repair
When your system fails, you need quick, dependable service. That’s why we offer 24/7 AC repair Los Angeles and emergency HVAC expertise. From refrigerant leaks, compressor issues, and clogged drain lines to weak airflow and strange noises, we diagnose and resolve faults efficiently. Our technicians arrive with fully stocked trucks, minimizing downtime and restoring comfort fast—especially crucial during Southern California’s heat waves.
Air Conditioning Installation
Upgrading your cooling system? We provide expert air conditioning installation services, including commercial AC installation Los Angeles and residential upgrades. We assess your property’s size, usage patterns, and energy goals to recommend the right system, whether it’s a high-efficiency central unit, a ductless mini split, or a robust rooftop AC package unit. We perform full installation—from ductwork and refrigerant piping to electrical hookups and system testing—ensuring your investment runs efficiently and quietly.
New Construction HVAC
Building a new home or commercial space in Los Angeles? Our HVAC team delivers turnkey installations tailored to blueprints and design specifications. We seamlessly integrate ductless mini split installation Los Angeles, central systems, and heat pump installations, coordinating with builders and architects. We also install rooftop AC package units for multi-story buildings and conduct indoor air quality monitoring Los Angeles as part of green-building requirements.
Why Choose Us
The Citadel Difference
At US Air Conditioning & Heating, we combine technical skill and customer care to deliver top-tier experiences:
Customized Comfort Solutions
We tailor solutions to your needs—whether you require a high-performance heat pump, seamless rooftop AC package unit installation, or detailed air quality monitoring.
Fast, Reliable Response
We understand HVAC issues can't wait. Our emergency HVAC repair Los Angeles and 24/7 AC repair Los Angeles services ensure help is always available, even on holidays or weekends.
Trusted HVAC Experts
Every technician is NATE‑certified and factory‑trained to professionally handle everything from ductless mini split installations to rooftop AC setups.
Transparent, Fair Pricing
We offer upfront quotes with no hidden fees for every job, from simple repairs to complex installs—so you always know what you're paying for.
Ready for Reliable HVAC Repair in Los Angeles?
Get in touch with US Air Conditioning & Heating now for fast, expert HVAC Repair Los Angeles. Schedule service online or call us—help is just a phone call away.
Leave a Message For Us
Need fast, reliable HVAC service? Fill out the form below and our experts will get back to you shortly.