PSI Refrigeration Inc.

Repair, Installation & Maintenance

Restaurant & Food Service

We engineer, install, and maintain commercial refrigeration assets designed to handle rapid temperature recovery while ensuring your establishment remains fully compliant with strict local health department cold-holding mandates.

We specialize in providing streamlined refrigeration and kitchen ventilation management for multi-location restaurant groups and corporate facility networks. By integrating directly with compliance platforms like ServiceChannel, we eliminate onboarding friction and ensure rapid, consistent emergency dispatch across your entire regional footprint.

Our technicians specialize in precise commercial refrigeration repair, focusing heavily on walk-in coolers, walk-in freezers, reach-ins, prep tables, and commercial ice machines

Not only do we understand your exact needs but we dominate the restaurant refrigeration industry. Highly experienced in the fast paced settings, keeps us on top.

Schedule Repair

Food Manufacturers

Restaurant & Food Service

Large-scale food manufacturing demands absolute thermal precision inside your industrial walk-in coolers and walk-in freezers to preserve product integrity and guarantee consumer safety across the supply chain. From raw ingredient bulk intake to final packaging, your high-output production lines rely on stable, uninterrupted commercial refrigeration.

We engineer and maintain heavy-duty cold storage infrastructure built to handle massive product pull-down loads while ensuring your facility remains fully compliant with strict FDA, USDA, and local health department mandates. Our technical teams specialize in large-capacity walk-in cooler design, deploying advanced mechanical engineering to optimize heavy-duty commercial refrigeration systems, multi-compressor setups, and high-efficiency evaporators. Our expertise ensures minimal downtime for your manufacturing line and optimized energy efficiency designed to protect your bottom line.

Schedule a Service now

Food Processing Centers

Restaurant & Food Service

High-output food processing centers and cold-storage logistics facilities require immense mechanical monitoring to maintain uninterrupted cold-chain integrity. Managing massive product thermal loads and rapid temperature pull-downs means your facility needs heavy-duty commercial refrigeration engineered for extreme environments.

We design, install, and optimize high-capacity walk-in coolers and industrial walk-in freezers built to handle high-frequency forklift traffic, heavy loading dock stress, and strict temperature regulations. By evaluating your refrigeration system and measuring electrical current draws, we can help lower your operational overhead and daily energy usage. Our comprehensive services provide the ultimate peace of mind, protecting your valuable inventory from spoilage, minimizing utility costs, and keeping your bulk walk-in coolers operating at peak capacity around the clock.

Dispatch Technician now

Southern California Footprint

Commercial Refrigeration Service Areas:

Los Angeles County:

Los Angeles, Long Beach, Glendale, Santa Clarita, Torrance, Pasadena, Downey, West Covina, El Monte, Burbank, San Fernando Valley, San Gabriel Valley, and surrounding areas.

Orange County:

Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Orange, Fullerton, Costa Mesa, Mission Viejo, Westminster, and surrounding areas.

Servicing Southern California

call us to ensure we did not miss your current region

Call us now

Preventative Maintenance & Efficiency

Our precision multi-point maintenance inspections target the root causes of energy waste and mechanical stress within your system. We perform deep chemical cleansing of evaporator and condenser coils to maximize airflow, check door gaskets to guarantee flawless thermal sealing, and test critical safeties.

By keeping your walk-in cooler or freezer meticulously calibrated, we dramatically reduce your daily utility bills and eliminate the risk of sudden inventory spoilage.

Schedule your maintenance

Licensed, Bonded, and Certified HVAC/R Specialists

As a premier California C-38 licensed refrigeration contractor (CA License #1102379), Our technicians are fully certified, factory-trained, and compliant with EPA regulations and California Title 24 standards. We carry comprehensive liability insurance, worker’s compensation, and strict commercial bonding to protect your commercial facility during every service call. As a premier California C-38 licensed refrigeration contractor, we eliminate onboarding friction for regional directors and ensure your equipment remains fully authorized, structurally sound, and code-compliant.

Walk in cooler service

Walk-in Cooler/Freezer Frequently Asked Questions & answers

Why is my walk-in freezer fluctuating in temperature or failing to hold temp?

Temperature drifting is commonly caused by an iced-over evaporator coil, a failing defrost timer clock, a leaking thermal expansion valve (TXV), or a low refrigerant charge due to a hidden system leak. Our EPA-certified technicians pressure-test the system, check superheat, and clear ice blockages to stabilize your cold chain instantly.

What causes ice buildup on my walk-in freezer ceiling, walls, or evaporator?

Heavy ice formation on the ceiling or evaporator housing is caused by warm, moisture-laden air entering the box. This is typically driven by torn magnetic door gaskets, worn-out strip curtains, or a failed door heater wire that allows ambient Southern California humidity to freeze instantly upon entry. Check for proper defrost times and confirm that the defrost timer isn’t “sticking“ when you advance the times.

Why does my walk-in cooler compressor continually trip or turn off and on?

Short-cycling occurs when the compressor turns on and off rapidly. This mechanical failure is heavily triggered by restricted airflow across a dirty condenser coil, a failing high/low pressure control switch, or an electrical failure within the start capacitor. Left unaddressed, short-cycling can destroy the compressor motor entirely.

How often should commercial walk-in coolers and freezers receive professional maintenance?

To ensure strict California Title 24 energy compliance and protect expensive inventory from sudden spoilage, walk-in systems should receive professional maintenance at least twice a year. High-volume restaurant kitchens or busy food manufacturing facilities benefit from quarterly tunings to prevent premature compressor wear and keep energy costs low.

What is the average lifespan of a commercial walk-in cooler or freezer box?

With routine, multi-point preventative maintenance, a heavy-duty commercial walk-in box panel structure can last anywhere from 15 to 20 years. However, mechanical components like the compressor, evaporator fan motors, and defrost controls typically require rebuilding or replacement every 7 to 10 years depending on daily thermal loads and operational stress.

Why is there water pooling on the floor inside or outside my walk-in cooler?

Water accumulation is usually a symptom of a clogged or frozen condensate drain line. When dirt, slime, or ice restricts the drain pipe, moisture pulled from the air by the evaporator coil backflows out of the drain pan and leaks directly onto your facility floor, creating a severe slip hazard and risking health department compliance violations. Old deteriorating boxes can cause sweating in places that you can’t reach. Which will create puddles under neath the box

What are a few Commercial Systems & Manufacturers that are most used in the industry?

Walk-In Boxes & Panels: Bally, Imperial, Kolpak, US Cooler, Norlake.
Refrigeration Systems & Compressors: Copeland, Tecumseh, Bohn, Trenton, Heatcraft, Russell.

What temperature should commercial walk-in coolers and freezers maintain for health compliance?

Commercial walk-in coolers must operate between 35°F and 38°F (never exceeding 40°F) to comply with FDA, USDA, and local California health department food safety regulations. Commercial walk-in freezers must maintain temperatures between 0°F and -10°F to ensure proper cold chain integrity.

How quickly can a technician be dispatched for emergency walk-in failures?

PSI Refrigeration provides 24/7 emergency dispatch across Los Angeles and Orange County, with rapid response times designed to protect perishable inventory and prevent costly product loss.