5 Commercial HVAC Contractors in South El Monte, CA

3.8 avg rating
26 total reviews2 offer 24/7 service
Need emergency service? 4 HVAC providers in South El Monte offer 24/7 availability

Top-Rated Commercial HVAC Contractors in South El Monte

#1

K-Star Electronic Appliances - 红星强力抽油烟机Mini Split Ductless Air Conditioning & Range Hoods

4.6(10 reviews)

Seven of eight detailed reviews award 5 stars, with customers praising product reliability, fair pricing, and helpful staff. The single 1-star review cites…

9329 Klingerman St, South El Monte, CA 91733
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#2

Quality Heating & AC Repair Service South El Monte

5.0(6 reviews)
24/7

Six reviewers awarded five stars, with each account mentioning rapid diagnosis and efficient repair completion. Three reviews specifically noted improved air…

1859 Durfee Ave, South El Monte, CA 91733
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#3

Precision Refrigeration & AC

4.3(6 reviews)

Three reviews specifically mention affordability, with two calling the company the cheapest option available. Positive feedback highlights technicians who are…

9726 Klingerman St, South El Monte, CA 91733
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All Commercial HVAC Contractors (5 total)

Duohome Electrical Inc.

5.0(4)

All four reviewers award 5 stars, with specific praise for competitive pricing on electrical and HVAC…

10864 Fawcett Ave, South El Monte, CA 91733
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Trusted Quality Cooling Experts

0.0
24/7
1934 Durfee Ave, South El Monte, CA 91733
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Commercial HVAC Costs in South El Monte

Commercial system pricing in South El Monte. Actual costs vary significantly by building size and system type. Request a site-specific quote.

ServiceLowAverageHigh
Annual maintenance (per rooftop unit)
Quarterly inspections
$475$950$1,900
Annual contract (small business, < 5K sqft)
$950$2,375$4,750
Annual contract (mid-size, 5K-25K sqft)
$3,325$6,175$9,500
Basic rooftop unit replacement
$6,175$9,500$14,250
Small business full system (< 5K sqft)
$7,600$15,200$23,750
Mid-size building (5K-25K sqft)
$23,750$47,500$76,000
Operating cost (per sqft annually)
Utility + maintenance
$2$4$6

Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

Commercial HVAC in South El Monte, CA: What to Expect

South El Monte sits in the Los Angeles metro, where Mediterranean warmth meets inland valley extremes. Summer temperatures regularly climb into the mid-80s, and Santa Ana winds can push readings past 100 F, creating erratic demand for cooling systems. This climate variability keeps commercial HVAC contractors busy year-round. Five contractors serve South El Monte, and their collective average rating of 3.8 stars across 26 reviews reflects a market where reliable service matters when equipment struggles against sudden heat waves.

California law requires commercial HVAC technicians to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, ensuring baseline competence. For small businesses under 5,000 square feet, annual service contracts typically range from $950 to $4,750. Rooftop unit maintenance runs $475 to $1,900 per year, while mid-size buildings between 5,000 and 25,000 square feet see contracts from $3,325 to $9,500. These figures cover regular filter changes, refrigerant checks, and emergency response, though system age and equipment complexity drive final costs upward.

Customer feedback points to several patterns. Reviewers consistently praise rapid diagnosis and technicians who explain problems without jargon. At Quality Heating & AC Repair Service, six five-star reviews highlight efficient repairs and noticeable improvements in air circulation. Precision Refrigeration & AC draws positive mentions for affordability, with clients calling their pricing the cheapest available. K-Star Electronic Appliances earns strong marks for product reliability and fair pricing, though a single review flags quality concerns. Communication and responsiveness appear as recurring strengths across the better-rated contractors.

Frequently Asked Questions

Commercial HVAC in South El Monte varies widely by building size. Annual maintenance contracts run $1,000-$10,000+ depending on unit count and service frequency. Rooftop unit replacement starts around $6,500-$15,000, small business systems (<5K sqft) run $8,000-$25,000, and mid-size buildings cost $25,000-$80,000 installed.