Westco Service Company

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About Westco Service Company
Westco Service Company operates as a commercial mechanical contractor based in Shadow Hills, California. The business holds a 4.5-star rating compiled from 17 client reviews, reflecting consistent satisfaction among commercial property managers and business owners. According to their website, they have maintained operations since 1991, establishing more than three decades of continuous service in the Los Angeles commercial HVAC sector. Their service area encompasses Shadow Hills and surrounding neighborhoods in the San Fernando Valley region. The company functions as a Local 250 Union Contractor, meeting established labor standards for commercial mechanical work.
What distinguishes Westco Service Company is their exclusive focus on commercial and non-residential facilities, a specialization that allows targeted expertise in medium and large building systems. Their website lists Design & Engineering capabilities alongside Tenant Improvement projects and full renovations, positioning them for both new construction and retrofit scenarios. The company maintains 24-hour emergency response availability, a critical offering for businesses experiencing unexpected system failures. They also advertise Energy Management and Safety controls services, addressing operational efficiency concerns for commercial property operators. Their Green Solutions offerings suggest attention to environmental compliance and sustainability considerations.
Customer reviews highlight specific service scenarios that demonstrate the company's responsiveness. One reviewer described an emergency AC issue at their building where the technician arrived quickly, diagnosed the problem accurately, and restored system function during the initial visit. Another reviewer noted their emergency request received faster response than previously experienced, with reasonable pricing for urgent service. A third review mentioned the technician explained each step of the repair process, providing clarity about the work performed. These accounts collectively portray a service team that prioritizes clear communication and efficient problem resolution.
What Customers Say
Twelve of seventeen reviews explicitly mention emergency service scenarios, with reviewers consistently praising response speed and diagnostic accuracy. Four reviewers specifically call out individual technicians by name, describing their expertise and professional approach. No negative reviews appear in the dataset; all sixteen visible ratings are five stars.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| SaturdayToday | Closed |
Services
Commercial HVAC New Construction
Design and installation of mechanical systems for new commercial building projects from ground up.
Tenant Improvements & Remodels
HVAC modifications for commercial tenant finish spaces and renovation projects.
System Upgrades & Repairs
Equipment upgrades and corrective repairs for existing commercial HVAC systems.
24/7 Emergency Service
Round-the-clock emergency response for commercial HVAC failures, available daily including weekends.
Energy Management & Safety
Systems and controls to optimize energy usage and maintain safety compliance.
Design & Engineering
Professional design and engineering services for commercial HVAC system planning.
Controls & Indoor Air Quality
Building automation controls and IAQ solutions for commercial environments.