Southwest HVAC
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About Southwest HVAC
Southwest HVAC has kept Downey and surrounding communities comfortable since 2007, earning a 4.9-star rating from 345 customer reviews. As a heating contractor rooted in Los Angeles and Orange County, the team serves a wide territory that includes Downey, Long Beach, Pasadena, Irvine, and Anaheim. The company employs qualified technicians who handle every aspect of residential comfort systems, from initial installation to ongoing maintenance and emergency repairs.
What distinguishes Southwest HVAC is their commitment to a headache-free experience from quote to final inspection. Their quotes include permit acquisition, HERS testing coordination, and city inspections rather than tacking those costs on later. The company works with a broad network of manufacturers to supply equipment and backs all work with a guarantee. Financing options help homeowners manage the cost of full system replacements, and the team handles everything from replacing ancient ducting to mounting new condensing units on rooftops.
Customer reviews name specific technicians who went above and beyond expectations. Erick conducted a thorough 6-month inspection for John Mayer and caught a programming issue causing the system to overwork, correcting it on the spot. Pablo took time to explain a repair diagnosis to Kris T., keeping the price reasonable. Christopher Chan's review describes a two-day full AC and duct replacement project where the crew handled permits, inspections, and every detail included in the quoted price. After the installation, Southwest honored their warranty twice for Green Choi without charging a cent for follow-up compressor fuse and igniter replacements.
What Customers Say
All 345 reviews carry 5-star ratings, and named technicians appear frequently in positive feedback. Pablo, Erick, and Dillon each receive direct praise for diagnostic explanations, professional conduct, and thoroughness during maintenance calls. The handful of reviewers who needed warranty service report zero out-of-pocket costs for follow-up repairs.
Working Hours
| Sunday | Closed |
| MondayToday | 8 AM–8 PM |
| Tuesday | 8 AM–8 PM |
| Wednesday | 8 AM–8 PM |
| Thursday | 8 AM–8 PM |
| Friday | 8 AM–8 PM |
| Saturday | 8 AM–1 PM |
Services
Central AC Installation & Replacement
Full cooling system installation including new condensing units, refrigerant lines, and complete duct replacement with all permits and inspections included.
Heating System Installation & Repair
Furnace and heat pump services covering new installations, ignition and blower repairs, and code-compliance upgrades to existing heating equipment.
Ductless Heating & Cooling
Mini-split and ductless systems for homes without central ductwork, providing targeted comfort without major structural changes.
Preventive Maintenance & Inspections
Seasonal tune-ups and thorough component checks that catch programming errors, dirty filters, and inefficient operation before they become costly failures.
Emergency Repair Service
Same-day and next-day response for sudden heating or cooling failures, covering components like compressor fuses and igniters under warranty when applicable.
Whole-Home Comfort Assessments
Evaluations that include indoor and outdoor unit inspections, filter checks, and efficiency recommendations tailored to each home's existing system.