8 Commercial HVAC Contractors in Westlake Village, CA
Top-Rated Commercial HVAC Contractors in Westlake Village
iPermit
“All seven sampled reviews award 5 stars, with each mentioning a specific technician by name. Four reviewers specifically describe Joseph, while one references…”
Johnstone Supply
“Among 7 detailed reviews, 4 rate 1 star citing return policy frustrations and restricted public access, while 3 rate 5 stars praising staff professionalism and…”
All Commercial HVAC Contractors (8 total)
Macallan Air Conditioning and Heating
“Six reviewers collectively rate Macallan at 4.3 stars, with all five customers awarding five-star ratings.…”
Comfort Wise HVAC
“No customer reviews have been submitted for this business. A review volume of zero prevents comparative…”
Commercial HVAC Costs in Westlake Village
Commercial system pricing in Westlake Village. 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 Westlake Village, CA: What to Expect
Westlake Village sits in the Conejo Valley of Ventura County, east of Thousand Oaks along the Pacific coast. The ocean moderates summer highs around 89 F with low humidity, while winter lows stay near 38 F. This temperate balance creates year-round commercial HVAC demand in Westlake Village, where eight contractors serve the area with a 2.2 average rating across 968 reviews. The region sees moderate cooling demand from July through September and light heating needs from December through February.
Annual maintenance for a single rooftop unit ranges from $475 to $1,900, while small business contracts under 5,000 square feet run between $950 and $4,750. Mid-size facilities between 5,000 and 25,000 square feet typically cost $3,325 to $9,500 annually. These price variations reflect system complexity, equipment specifications, and service coverage. California law requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB.
The customer feedback tells a split story. iPermit draws consistent praise with a 5.0 rating, and every reviewer names a specific technician, with Joseph appearing in four accounts. Macallan Air Conditioning and Heating earns mentions for same-day or immediate response. Johnstone Supply shows mixed sentiment: some customers note return policy frustrations and restricted public access, while others cite staff professionalism and store cleanliness.