Trusted HVAC Repair in the Inland Empire
Need HVAC repair now? Our trained technicians diagnose and fix heating and cooling problems fast across the Inland Empire. We’ve served local homeowners since 1951 and stand behind our work with a 12-month repair guarantee and a 4.9 rating from 1,369 reviews. Serving the region, including Riverside, San Bernardino, and Corona. Book online or call to schedule your visit, and ask about our diagnostic fee waived with repair. Before peak summer heat, a quick check can prevent bigger issues.
Why Choose Us
What Our Customers Say
"If I could leave 10 Stars I would do so with pleasure."
"These guys did a great job on my AC. They found it and fixed it"
"He went above and beyond was polite and courteous."
Answers to Common Questions
View All FAQsWhy Is My Air Conditioner Running But Not Cooling Properly?
An air conditioner running but not cooling usually points to restricted airflow or a heat‑transfer or control issue inside the system. Most often the root cause is routine buildup or a setting that prevents the system from shedding heat. It can also stem from a refrigerant leak, a wiring or thermostat fault, or a worn component that won’t engage under load. We frequently see this during heat waves in the Riverside area when outdoor coils get dirty fast. If you prefer a pro diagnosis, Magnolia offers a $99 evaluation that’s waived when you approve the repair.
Check these quick signals before you call:
- Replace a dirty filter, set the thermostat to Cool/Auto, open supply vents, clear 2–3 feet around the outdoor unit, and confirm breakers.
- Frost on copper lines or the air handler means a freeze; keep the system off to thaw.
- Outdoor fan runs but the unit hums or clicks without steady operation, or it short-cycles under a minute.
- Weak airflow in many rooms and a rising bill can indicate duct or blower issues.
Turn the system off if you see ice or hear repeated clicking to prevent compressor damage. <br/> Updated: 2026-06-06 <br/> Need help in Riverside, CA? Call (951) 688-3524 or book online.
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Where We Work
What areas do you serve for hvac repair?
We serve the Inland Empire, including Riverside, San Bernardino, and Corona. See the full list of cities we cover below.