About the Owner: Brad Owen is the President of Clarion Construction, a Southern California general contractor specializing in cold storage construction, food processing facilities, clean rooms, and insulated metal panel (IMP) systems. With decades of experience in temperature-controlled construction, Brad shares practical insights to help facility owners, developers, and contractors make informed decisions about specialized commercial and industrial building projects.
Controlled Environment Construction in Southern California
Clarion Construction is a specialized controlled environment construction company with over 35 years of experience designing, building, and repairing high-performance temperature-controlled facilities across Southern California and beyond.
Whether you need a new freezer box, coolroom, food production room, or a complete refrigerated warehouse, we deliver turnkey solutions that prioritize precision temperature control, energy efficiency, hygiene compliance, and long-term reliability.
Why Controlled Environment Construction Matters
Controlled environments, such as cold storage rooms, freezers, processing areas, and clean rooms, require expert engineering in insulation, vapor barriers, flooring systems, refrigeration integration, and structural integrity. Poor construction leads to ice buildup, energy loss, contamination risks, and costly repairs. At Clarion, we get it right the first time.
Our Controlled Environment Construction Services
Freezer Box Construction & Repair
We specialize in freezer box repair and new construction for facilities requiring reliable sub-zero temperatures. Our in-house teams handle everything from panel replacement to complete rebuilds, minimizing downtime for your operation.
Coolroom Panel Construction
As experienced coolroom builders, we provide full coolroom panel construction using premium insulated metal panels (IMPs). We work with leading brands including Metl-Span, Kingspan, All Weather Panels, and more to deliver durable, energy-efficient coolrooms tailored to your exact specifications.
Production Room & Food Processing Room Construction
We build production rooms and food-grade controlled environments that meet strict health department and FDA standards. Our facilities feature sanitary wall and ceiling panels, proper drainage, and precise temperature and humidity control, ideal for food manufacturing and processing.
Refrigerated Warehouse Construction
From small expansions to large-scale facilities, our refrigerated warehouse construction expertise ensures optimal storage capacity, efficient workflows, and minimal operating costs. We deliver turnkey refrigerated warehouses designed for long-term performance.
Underfloor Insulation & Heating Systems
Proper underfloor insulation is critical in preventing floor heaving and energy loss. We are a leading underfloor insulation contractor offering custom installation, repairs, and integrated heating systems (glycol or electric) for all freezer and cold storage applications. Perfect for searches like “underfloor insulation near me.”
Vapor Barrier Installation & Repair
Moisture control is essential in controlled environments. We provide expert vapor barrier installation and repair services to protect your facility from condensation, mold, and structural damage.
Insulated Metal Panel (IMP) Systems
We install high-performance Metl-Span panels and other premium insulated panels for walls, ceilings, and partitions. Our crews are among the most experienced IMP installers in California, delivering fast, high-quality results.
Ammonia Refrigeration Systems
We support ammonia refrigeration company needs through expert integration, maintenance, and ammonia refrigerator repair services as part of our controlled environment projects.
Full Design-Build & Project Management
Our team provides complete construction design and construction project management services. From initial concept and engineering to final commissioning, we handle every detail so you don’t have to.
Benefits of Partnering with Clarion
In-House Expertise: Most work performed by our experienced crews (average 30+ years in the industry).
Competitive Pricing: We quote multiple manufacturers to deliver the best value and lead times.
Quality Focus: We emphasize durable, energy-efficient, code-compliant construction.
Minimal Downtime: Fast, professional repairs and phased construction options.
Proven Track Record: Trusted by general contractors and facility owners throughout California.
Service Areas
We are based in Walnut, CA, and proudly serve Los Angeles, Riverside, Orange County, and surrounding areas, in addition to serving clients nationwide. Looking for controlled environment construction near you? Contact Clarion Construction. We're ready to help.
Ready to Build or Upgrade Your Controlled Environment Facility?
Whether you need new construction, expansion, or repair services — including freezer box repair, coolroom construction, underfloor insulation, vapor barrier work, or full production room builds, Clarion Construction is your trusted partner. Contact us today to get an estimate on your next project.
