18 Commercial HVAC Contractors in Simi Valley, CA
Top-Rated Commercial HVAC Contractors in Simi Valley
Affordable Heating and Air - Simi Valley
“Eight recent reviewers all award 5 stars, with three specifically mentioning received estimates that exceeded expectations in transparency or value. Four…”
Rooter Hero Plumbing & Air
“All reviewer mentions of specific technicians, Josh, Mike, Jay Napoles, and Paul, receive 5-star ratings, with customers consistently praising clear…”
All Commercial HVAC Contractors (18 total)
Sol Air Hvac LLC
“All five detailed reviews award 5 stars, with reviewers specifically praising owner Gerry's technical skill…”
C&M Mechanical Heating and Cooling Inc.
“All 88 reviews award 5 stars, with customers consistently highlighting Carlos's honest pricing and…”
Grand Slam Air Conditioning and Heating
“Thirty-eight reviewers award this business a perfect 5-star average, with multiple clients specifically…”
Family Air Conditioning
“Every reviewer awarded a perfect 5-star rating, with customers frequently praising the team's diagnostic…”
Landeen Heating & Air Conditioning
“Two of three detailed reviews praise the team's communication and responsiveness, with William and Jill…”
Alonso's Heating And Cooling
“Twenty-three reviewers award Alonso's a perfect 5.0-star rating. Ten explicitly mention fair or below-market…”
Calif Heating and Air conditioning
“Four of six detailed reviews specifically credit technician Rustem by name, with three of those describing…”
Nicholas Aire Systems
“37 of 44 reviewers award 5 stars, praising same-day response, NATE certification, and diagnostic…”
Faith Air Conditioning & Heating Inc
“Twenty-three customer reviews produce a 4.8-star average, with every reviewer awarding 5 stars. Four…”
Alpine Refrigeration Heating And Cooling
“Eight reviews consistently award 5 stars, with 3 reviewers specifically praising same-day or same-hour…”
Johnstone Supply
“All three 5-star reviews highlight specific staff members by name, with Juan and Michael receiving direct…”
Commercial HVAC Costs in Simi Valley
Commercial system pricing in Simi Valley. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
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 Simi Valley, CA: What to Expect
The Conejo Valley's Mediterranean climate brings moderate heating and cooling demands to Simi Valley businesses. Summer temperatures climb to the upper 80s with low humidity, while winter lows dip into the upper 30s. This creates year-round commercial HVAC in Simi Valley needs, with cooling driving demand from July through September and heating covering December into February. With eighteen licensed contractors serving the area and an average rating of 3.8 across nearly fifteen hundred reviews, local businesses have options for reliable service.
Service costs vary by system size and contract type. Annual maintenance for a single rooftop unit runs $475 to $1,900, while a small business under five thousand square feet can expect $950 to $4,750 annually. Mid-size facilities between five thousand and twenty-five thousand square feet fall between $3,325 and $9,500 per year. All commercial HVAC work in California requires a C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor license from the California Contractors State License Board, ensuring every technician on site meets state competency standards.
Customer feedback highlights distinct strengths among top performers. Reviewers praise Rooter Hero Plumbing & Air technicians Josh, Mike, Jay Napoles and Paul for clear communication and upfront option breakdowns. Bradley McGough notes Hilo Aire solved an impossible layout challenge, while Steve Sacks credits technician Chris for thorough problem-solving. At Sol Air Hvac LLC, owner Gerry receives consistent recognition for diagnosing issues that other contractors could not resolve.
Frequently Asked Questions
Other HVAC Services in Simi Valley, CA
All HVAC Contractors in Simi Valley, CA
Complete directory of 94 contractors — browse alphabetically
A–Z
All HVAC Contractors in Simi Valley, CA
Complete directory of 94 contractors — browse alphabetically
A
- AA1 Cooling and Heating Services
- AC Clinic HVAC Service
- Affordable Heating and Air - Simi Valley
- Air Conditioning Assistance
- Air King Heating & AC Repair Simi Valley
- Air Source Systems
- Air-Fab Services Inc.
- Air-Fab Services Inc.
- ALL VALLEY AIR HEATING & AIR CONDITIONING
- Alonso's Heating And Cooling
- Alpine Refrigeration Heating And Cooling
- Auggie Air
B
C
D
F
H
L
P
- Pacific Coast Heating & AC Repair Simi Valley
- Pacific Heating & AC Repair Simi Valley
- PACIFIC Heating & AC Repair Simi Valley
- Paradise Heating & Air Conditioning
- Perfect Climate Heating & Air Conditioning Inc.
- Platinum HVAC Solutions
- Polar Tech Air Conditioning and Heating
- Precision Air & Heating Repair Simi Valley
- Premier Cooling and Heating
- Pure Eco HVAC
R
S
- Santor Plumbing Inc.
- Scott Mumford Heating and Air
- Service Giant Air Conditioning
- Servistar Plumbing and HVAC
- Simi Valley Air Conditioning Repair
- Simi Valley Emergency Plumbing
- Simi Valley Heating & Air Conditioning
- SmartFlow HVAC Solutions
- SoCal Refrigeration
- Sol Air Hvac LLC
- Stay Cool Air Conditioning & Heating Inc.