--- title: RDT Blog | Refrigeration Design Technologies | refrigeration description: refrigeration | RDT's Refrigeration Blog - an educational resource for consultants, dealers and end-users. --- [![RDT](https://solutions.rdtonline.com/hs-fs/hubfs/RDT%202020%20Logo%20Files/RDT%20Vertical%20Logo%20Blue.png?width=72&height=95&name=RDT%20Vertical%20Logo%20Blue.png "RDT")](https://www.rdtonline.com/) - [Products](https://www.rdtonline.com/products) - [EcoCool](https://www.rdtonline.com/products/eco-cool) - [EcoSmart](https://www.rdtonline.com/products/ecosmart/) - [MultiRak](https://www.rdtonline.com/products/multirak/) - [PremierPak](https://www.rdtonline.com/products/premierpak) - [FlowPak](https://www.rdtonline.com/products/flowpak/) - [Resources](https://www.rdtonline.com/resources) - [Training & Resources](https://www.rdtonline.com/training-resources) - [K-12 Refrigeration Resources](https://www.rdtonline.com/k-12-refrigeration-resources) - [Frequently Asked Questions (FAQ)](https://www.rdtonline.com/frequently-asked-questions) - [Literature](https://www.rdtonline.com/resources) - [Warranty Information](https://www.rdtonline.com/warranty) - [Food Waste Solutions](https://www.rdtonline.com/food-waste) - [Energy Saving Solutions](https://www.rdtonline.com/energy-savings) - [Video](https://www.rdtonline.com/resources#video) - About - [Careers](https://www.rdtonline.com/careers) - [Team](https://www.rdtonline.com/team) - [Blog](https://solutions.rdtonline.com/blog) - [Contact](https://www.rdtonline.com/contact-us) - [Find a Rep](https://www.rdtonline.com/find-a-rep) - [A2L](https://www.rdtonline.com/a2l-transition-resources) **Here you can edit the background of the section** # **Commercial Refrigeration Insights** ###### Stay informed with practical guidance, technical expertise, and industry updates from the RDT team. Whether you're planning a new project, troubleshooting equipment, or preparing for industry changes, you'll find resources to help you move forward with confidence. ###### Browse topics including: A2L Refrigerants | Food Safety | System Design | Troubleshooting | Preventive Maintenance | Energy Efficiency All topics refrigeration commercial refrigeration energy efficiency EcoCool food waste EcoSmart Walk-Ins RDT team redundancy food safety freezer maintenance school sustainability trends Digital Scroll Compressor humidity HACCP Regulations remote refrigeration freezer burn Danger Zone Energy Study Ingredients c-stores commercial freezer bacteria consultants convenience stores healthcare hospitals service technician storage A2L Refrigerant Environment HVAC food storage refrigeration rack system ASHRAE Blast Chillers FCSI Foodservice Director Retrofitting USDA convenience store foodservice dry aging humidity room remote monitoring B&I Dining Chain Restaurants College & University EPA Fine Dining Lighting Polarcraft PremierPak SNAP corporate cafeteria corporate foodservice footprint k-12 noise reduction rack system sanitation Center for Disease Control Deli Case Drop-In Well Events FDA Facility Manager Grab-N-Go LEED Merchandisers NASA Pillsbury Reach-Ins Rebates Shock Freezers UL US Army USGBC biomedical chill team eev heat reclaim industrial refrigeration installation kegs labor nutrition piping refrigerated trucking stadiums temperature monitoring water-cooled [![split screen of a walk-in cooler in a school kitchen with a technician looking at an alert on his phone screen](https://solutions.rdtonline.com/hubfs/Rolling%20Out%20Refrigeration%20Controls%20Across%20a%20School%20District-1.png)](https://solutions.rdtonline.com/blog/planning-a-school-district-refrigeration-controls-rollout) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration) [commercial refrigeration](https://solutions.rdtonline.com/blog/topic/commercial-refrigeration) [energy efficiency](https://solutions.rdtonline.com/blog/topic/energy-efficiency) [school](https://solutions.rdtonline.com/blog/topic/school) [EcoSmart](https://solutions.rdtonline.com/blog/topic/ecosmart) ### [Rolling Out Refrigeration Controls Across a School District](https://solutions.rdtonline.com/blog/planning-a-school-district-refrigeration-controls-rollout) Sep 22, 2026 3 min read It's 9:40 on a Tuesday night. A walk-in cooler at a middle school drifts a few degrees, and the alert lands on a maintenance supervisor's phone as he's pulling out of a parking lot ten miles away. What happens next was decided months earlie... [Read More](https://solutions.rdtonline.com/blog/planning-a-school-district-refrigeration-controls-rollout) [![outside of a brick school building](https://solutions.rdtonline.com/hs-fs/hubfs/Cost-Saving%20Refrigeration%20Solutions%20for%20New%20and%20Existing%20Schools.png?width=500&name=Cost-Saving%20Refrigeration%20Solutions%20for%20New%20and%20Existing%20Schools.png)](https://solutions.rdtonline.com/blog/cost-saving-refrigeration-solutions-for-new-and-existing-schools) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [commercial refrigeration](https://solutions.rdtonline.com/blog/topic/commercial-refrigeration), [energy efficiency](https://solutions.rdtonline.com/blog/topic/energy-efficiency), [school](https://solutions.rdtonline.com/blog/topic/school), [EcoSmart](https://solutions.rdtonline.com/blog/topic/ecosmart) ### [Retrofit or replace? How Schools Can Evaluate Refrigeration Upgrades](https://solutions.rdtonline.com/blog/cost-saving-refrigeration-solutions-for-new-and-existing-schools) Aug 27, 2026 4 min read When a walk-in cooler or freezer starts struggling, many schools assume replacement is the only answer. In reality, not every refrigeration ... [Read More](https://solutions.rdtonline.com/blog/cost-saving-refrigeration-solutions-for-new-and-existing-schools) [![](https://solutions.rdtonline.com/hs-fs/hubfs/K12%20walkin.png?width=500&name=K12%20walkin.png)](https://solutions.rdtonline.com/blog/why-refrigeration-struggles-in-school-kitchens-during-peak-service) [food safety](https://solutions.rdtonline.com/blog/topic/food-safety), [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [commercial refrigeration](https://solutions.rdtonline.com/blog/topic/commercial-refrigeration), [school](https://solutions.rdtonline.com/blog/topic/school), [k-12](https://solutions.rdtonline.com/blog/topic/k-12) ### [Why Refrigeration Struggles in School Kitchens During Peak Service (and How to Prevent It)](https://solutions.rdtonline.com/blog/why-refrigeration-struggles-in-school-kitchens-during-peak-service) Jul 07, 2026 2 min read TL;DR Most refrigeration issues in schools are not sudden failures. They come from systems stuck in constant recovery Frequent door openings... [Read More](https://solutions.rdtonline.com/blog/why-refrigeration-struggles-in-school-kitchens-during-peak-service) [![Foodservice worker assembling a fresh salad behind a refrigerated prep station, with organized ingredient bins and a glass sneeze guard in a clean commercial kitchen environment.](https://solutions.rdtonline.com/hs-fs/hubfs/hero%20image_food%20safety.png?width=500&name=hero%20image_food%20safety.png)](https://solutions.rdtonline.com/blog/food-safety-starts-with-refrigeration) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [maintenance](https://solutions.rdtonline.com/blog/topic/maintenance) ### [Food Safety Starts With Refrigeration](https://solutions.rdtonline.com/blog/food-safety-starts-with-refrigeration) Jun 09, 2026 3 min read Most food safety failures don’t start with bad employees or obvious equipment breakdowns. They begin with refrigeration systems that appear ... [Read More](https://solutions.rdtonline.com/blog/food-safety-starts-with-refrigeration) [![Commercial refrigeration technician reviewing maintenance information on a tablet with a restaurant employee standing beside a walk-in cooler door in a commercial kitchen. Shelving with food containers and supplies appears in the background.](https://solutions.rdtonline.com/hs-fs/hubfs/RDT%20Refrigeration%20Maintenance%20Planning%20for%20Reliable%20Walk-In%20Performance%20header.png?width=500&name=RDT%20Refrigeration%20Maintenance%20Planning%20for%20Reliable%20Walk-In%20Performance%20header.png)](https://solutions.rdtonline.com/blog/refrigeration-maintenance-planning-reliable-walkin-performance) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [maintenance](https://solutions.rdtonline.com/blog/topic/maintenance) ### [Refrigeration Maintenance Planning for Reliable Walk-In Performance](https://solutions.rdtonline.com/blog/refrigeration-maintenance-planning-reliable-walkin-performance) Apr 16, 2026 2 min read Refrigeration systems rarely fail without warning. Performance erodes gradually when routine checks fall behind. Coils collect debris, airfl... [Read More](https://solutions.rdtonline.com/blog/refrigeration-maintenance-planning-reliable-walkin-performance) [![graphic showing the refrigeration cycle](https://solutions.rdtonline.com/hs-fs/hubfs/REF%20CYCLE-01.png?width=500&name=REF%20CYCLE-01.png)](https://solutions.rdtonline.com/blog/refrigeration-cycle-supports-foodservice-and-beyond) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [EcoCool](https://solutions.rdtonline.com/blog/topic/ecocool), [EcoSmart](https://solutions.rdtonline.com/blog/topic/ecosmart) ### [How the Refrigeration Cycle Supports Foodservice and Beyond](https://solutions.rdtonline.com/blog/refrigeration-cycle-supports-foodservice-and-beyond) Jan 15, 2026 2 min read Refrigeration drives foodservice operations, but its role extends into many other industries. Hospitals depend on it to protect medicine and... [Read More](https://solutions.rdtonline.com/blog/refrigeration-cycle-supports-foodservice-and-beyond) [![RDT-Refrigerants-Explained](https://solutions.rdtonline.com/hs-fs/hubfs/rdt-refrigerant-chart.png?width=500&name=rdt-refrigerant-chart.png)](https://solutions.rdtonline.com/blog/different-types-of-refrigerants-a1-a2l-and-a3-explained) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [ASHRAE](https://solutions.rdtonline.com/blog/topic/ashrae), [A2L Refrigerant](https://solutions.rdtonline.com/blog/topic/a2l-refrigerant) ### [Different Types of Refrigerants: A1, A2L, and A3 Explained](https://solutions.rdtonline.com/blog/different-types-of-refrigerants-a1-a2l-and-a3-explained) Nov 14, 2025 2 min read Quick Answer: Refrigerants are classified by ASHRAE based on toxicity and flammability: A1 refrigerants are non-toxic and non-flammable (e.g... [Read More](https://solutions.rdtonline.com/blog/different-types-of-refrigerants-a1-a2l-and-a3-explained) [![Cartoon image in blue hues of man in long sleeved shirt and long pants with a baseball cap in a walk-in cooler. There's an compressor fan unit on the wall, strip curtains are blowing and there's product on shelves. ](https://solutions.rdtonline.com/hs-fs/hubfs/AI-Generated%20Media/Images/warning%20signs%20with%20with%20just%20an%20exclamation%20point.png?width=500&name=warning%20signs%20with%20with%20just%20an%20exclamation%20point.png)](https://solutions.rdtonline.com/blog/how-to-spot-refrigeration-system-failures-before-they-happen) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [energy efficiency](https://solutions.rdtonline.com/blog/topic/energy-efficiency), [maintenance](https://solutions.rdtonline.com/blog/topic/maintenance) ### [How to Spot Refrigeration System Failures Before They Happen](https://solutions.rdtonline.com/blog/how-to-spot-refrigeration-system-failures-before-they-happen) Oct 15, 2025 2 min read Stay ahead of costly downtime with these early warning signs and expert tips. When a refrigeration system fails, the consequences go beyond ... [Read More](https://solutions.rdtonline.com/blog/how-to-spot-refrigeration-system-failures-before-they-happen) [![Cartoon image in blue hues of man in long sleeved shirt and long pants with a baseball cap in a walk-in cooler. There's an compressor fan unit on the wall, strip curtains are blowing and there's product on shelves. ](https://solutions.rdtonline.com/hs-fs/hubfs/RDT%205%20Simples%20Ways%20to%20Keep%20Cold%20Air%20Inside%20Your%20Walk-In%20header.png?width=500&name=RDT%205%20Simples%20Ways%20to%20Keep%20Cold%20Air%20Inside%20Your%20Walk-In%20header.png)](https://solutions.rdtonline.com/blog/simple-ways-keep-cold-air-inside-walkin) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [food waste](https://solutions.rdtonline.com/blog/topic/food-waste), [energy efficiency](https://solutions.rdtonline.com/blog/topic/energy-efficiency), [maintenance](https://solutions.rdtonline.com/blog/topic/maintenance) ### [4 Simple Ways to Keep Cold Air Inside Your Walk-In](https://solutions.rdtonline.com/blog/simple-ways-keep-cold-air-inside-walkin) Sep 10, 2025 2 min read Whether managing a kitchen, lab, retail space, or healthcare facility, commercial cold storage is mission-critical. But every time cold air ... [Read More](https://solutions.rdtonline.com/blog/simple-ways-keep-cold-air-inside-walkin) [![Cartoon image in blue hues of man in long sleeved shirt and long pants with a baseball cap in a walk-in cooler. There's an compressor fan unit on the wall, strip curtains are blowing and there's product on shelves. ](https://solutions.rdtonline.com/hs-fs/hubfs/AI-Generated%20Media/Images/I%20need%20a%20simple%20image%20of%20children%20enjoying%20lunch%20at%20their%20school%20cafeteria%20The%20less%20detail%20the%20better.png?width=500&name=I%20need%20a%20simple%20image%20of%20children%20enjoying%20lunch%20at%20their%20school%20cafeteria%20The%20less%20detail%20the%20better.png)](https://solutions.rdtonline.com/blog/why-school-nutrition-directors-count-on-rdt-refrigeration) [refrigeration](https://solutions.rdtonline.com/blog/topic/refrigeration), [energy efficiency](https://solutions.rdtonline.com/blog/topic/energy-efficiency), [maintenance](https://solutions.rdtonline.com/blog/topic/maintenance) ### [Why School Nutrition Directors Count on RDT Refrigeration](https://solutions.rdtonline.com/blog/why-school-nutrition-directors-count-on-rdt-refrigeration) Aug 13, 2025 2 min read In K–12 foodservice, reliability isn’t optional, it’s essential. Whether it’s prepping breakfast for early arrivals or keeping lunch moving ... [Read More](https://solutions.rdtonline.com/blog/why-school-nutrition-directors-count-on-rdt-refrigeration) [1](https://solutions.rdtonline.com/blog) [2](https://solutions.rdtonline.com/blog/topic/refrigeration/page/2) [3](https://solutions.rdtonline.com/blog/topic/refrigeration/page/3) [4](https://solutions.rdtonline.com/blog/topic/refrigeration/page/4) [5](https://solutions.rdtonline.com/blog/topic/refrigeration/page/5) ### Explore More: [![RDT-Refrigerants-Explained](https://solutions.rdtonline.com/hubfs/rdt-refrigerant-chart.png)](https://solutions.rdtonline.com/blog/different-types-of-refrigerants-a1-a2l-and-a3-explained) [Different Types of Refrigerants: A1, A2L, and A3 Explained](https://solutions.rdtonline.com/blog/different-types-of-refrigerants-a1-a2l-and-a3-explained) Nov 14, 2025 [![](https://solutions.rdtonline.com/hubfs/RDT%20Why%20Ice%20Builds%20Up%20in%20Freezer%20Twitter.png)](https://solutions.rdtonline.com/blog/why-ice-builds-up-in-commercial-freezers) [Why Ice Builds Up in Commercial Freezers (and how you can prevent it)](https://solutions.rdtonline.com/blog/why-ice-builds-up-in-commercial-freezers) Apr 10, 2025 [![Red background with Yellow copy that says ](https://solutions.rdtonline.com/hubfs/AI-Generated%20Media/Images/Can%20we%20put%20in%20A2L%20Update%20with%20some%20attention%20grabbing%20color.png)](https://solutions.rdtonline.com/blog/epa-proposes-extension-to-a2l) [EPA Proposes Extension to A2L Transition Deadline: What It Means for RDT Customers](https://solutions.rdtonline.com/blog/epa-proposes-extension-to-a2l) Oct 17, 2025 ![Email Icon](https://f.hubspotusercontent10.net/hubfs/1781314/Email%20Icon.svg) ### Subscribe to Our Blog **CONTACT US** Refrigeration Design Technologies P.O. 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