Insights
Practical guides on commercial refrigeration for retailers, distributors and project buyers.
Types of Refrigerants Used in Commercial RefrigerationA practical guide to refrigerant families, GWP and ODP, safety classes and the F-gas phase-down, and how to choose a refrigerant for display cabinets.Read article →
Types of Refrigeration CompressorsReciprocating, rotary, scroll and screw compressors compared, with typical applications and the role of inverter variable-speed compressors.Read article →
What Does the Compressor Do?How the compressor raises refrigerant pressure and temperature, why it must never take in liquid, warning signs of failure and the protection devices fitted.Read article →
The Refrigeration Cycle Explained SimplyA plain-language walk through the vapour-compression cycle: evaporator, compressor, condenser and expansion device, with superheat and subcooling basics.Read article →
The Main Parts of a Refrigeration SystemA clear overview of each major component in a refrigeration system, from compressor and condenser to filter drier, sight glass, controller and insulation.Read article →
How Expansion Valves Developed: From Capillary Tube to Electronic ValvesThe evolution of refrigerant expansion devices, from fixed capillary tubes to thermostatic and electronic expansion valves, and where each is used.Read article →
Condensers: Types and FunctionHow condensers reject heat, the differences between air-cooled, water-cooled and evaporative designs, and why a clean condenser saves energy.Read article →
What the Evaporator DoesHow the evaporator absorbs heat in a display cabinet, the difference between static and ventilated coils, fin spacing, frosting and air curtains.Read article →
Defrost Methods: Off-Cycle, Electric and Hot GasWhy frost forms on evaporators and how off-cycle, electric and hot gas defrost remove it, including termination, drainage and defrost frequency.Read article →
Plug-in vs Remote Refrigeration: Which Is Right for Your Store?A practical comparison of plug-in and remote display cabinets covering heat, installation, flexibility, noise, energy use and maintenance.Read article →
Thermostats and Digital ControllersHow mechanical thermostats and electronic controllers manage display cabinets: probes, setpoint, differential, defrost settings, alarms and HACCP logging.Read article →
Fan Motors in Refrigeration: Shaded-Pole vs EC MotorsThe role of condenser and evaporator fans, how shaded-pole and EC motors differ in efficiency, speed control and noise, and tips for replacement.Read article →
Insulation and Why Thickness MattersHow polyurethane foam insulation works in display cabinets, the role of thermal conductivity and blowing agents, typical thicknesses and condensation control.Read article →
Glass Doors: Double Glazing, Low-E and Anti-FogHow glass doors cut display cabinet energy use, and what double and triple glazing, low-E coatings, argon fill, frame heaters and self-closing hinges do.Read article →
Climate Classes and Temperature Classes ExplainedHow EN ISO 23953 climate classes and product temperature classes such as M1, M2, H1 and L1 work, and how to read them on a display cabinet spec sheet.Read article →
10 Ways to Cut Refrigeration Energy Costs in a SupermarketTen practical measures to reduce supermarket refrigeration energy use, from doors and night curtains to EC fans, clean condensers and good maintenance.Read article →
Preventive Maintenance Checklist for Display CabinetsA daily, weekly, monthly and yearly maintenance checklist for supermarket display cabinets, separating staff tasks from qualified technician work.Read article →
Common Refrigeration Faults and Their CausesCommon display cabinet faults, from poor cooling and ice build-up to water leaks and short-cycling, with what owners can check and when to call a technician.Read article →
Valves in a Refrigeration System and Their FunctionAn overview of solenoid, check, service, pressure regulating and safety valves in refrigeration systems, where they sit and how electronic control has changed them.Read article →
Correct Storage Temperatures for Supermarket FoodTypical storage and display temperatures for chilled, fresh, frozen and deli products, the cold chain, and how to match cabinet types to products.Read article →
How to choose island freezers and chillers for your storeLength, temperature, defrost type and glass: the five questions to answer before you order island units.Read article →
R290 and R600: why natural refrigerants matterWhat natural refrigerants are, why the industry is moving to them, and what they mean for retailers.Read article →
Planning container loads for refrigeration equipmentHow many cabinets fit in a 20' or 40' container, and how to plan a mixed shipment.Read article →