Matrix HG Inc

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About Matrix HG Inc
Matrix HG Inc operates as a commercial HVAC contractor serving the Greater San Francisco Bay Area from Concord, California. With a rating of 3.7 stars across 41 customer reviews, the company maintains 24-hour emergency service availability and holds California contractor license #812232 alongside multiple Arizona ROC licenses. The firm has completed over 35,000 jobs for a client base exceeding 2,500 partnering businesses, positioning itself as a established player in the regional commercial HVAC market.
What distinguishes Matrix HG Inc is their emphasis on integrated project delivery and rapid response solutions for commercial clients. The company offers in-house capabilities across multiple disciplines including fabrication, direct digital controls, engineering, and pre-construction services. Their union affiliations with UA locals 38, 159, 342, 343, 393, 467, and SMART 104 indicate formalized workforce standards, while their stated 24/7 availability reflects an emergency-service business model.
Customer reviews cite specific concerns about pricing transparency and service outcomes. One reviewer described receiving an unexpected bill approaching $1,000 after an hour of work without prior cost approval. Another reviewer noted ongoing issues with equipment damage occurring during maintenance visits through their landlord, describing repeated problems that required additional repairs. A third reviewer flagged concerns about electrical work performed on furnace installations, describing potential safety issues with circuit connections.
What Customers Say
4 of 5 detailed reviews raise pricing transparency concerns, with multiple reviewers describing unexpected or unauthorized charges. Positive feedback references emergency availability, while negative reviews focus on workmanship quality and billing practices.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
24-Hour Emergency Service
Round-the-clock availability for commercial HVAC emergencies across the Greater San Francisco Bay Area.
Service & Maintenance
Ongoing service contracts and maintenance visits for commercial HVAC equipment.
Construction & Installation
New construction HVAC installation and system integration for commercial buildings.
Fabrication
In-house fabrication capabilities for custom HVAC components and system modifications.
Plumbing
Plumbing services integrated with HVAC installation and building solutions.
Direct Digital Controls
DDC systems for automated building management and HVAC control.
Chiller Maintenance
Specialized maintenance and service for commercial chiller systems.
Sustainable Systems
Energy-efficient and sustainable HVAC system design and installation.