By Commercial Service Company · August 22, 2026
Grocery stores and convenience stores live and die by their refrigeration. A single failed case or rack can mean thousands of dollars in spoiled product and a health department call you don't want to make. Whether you run a full supermarket in Little Rock or a corner c-store in Searcy, the fundamentals of keeping cases reliable are the same. Here's what we look at when we service grocery and convenience refrigeration across central Arkansas.
Open vs. Closed Cases
Open multi-deck cases and reach-in coolers with doors each have their own headaches. Open cases lose cold air constantly and depend heavily on proper air curtain airflow, correct stocking (never above the load line), and clean coils to hold temperature. Closed cases hold temperature more efficiently but are prone to door gasket wear, hinge sag, and condensation issues if seals fail. Mixing product between the two without adjusting stocking habits is a common cause of temperature complaints.
Night Curtains
Night curtains on open cases are one of the simplest, most overlooked energy and shrink savers in the business. When cases sit uncovered overnight, they work harder to hold temperature and are more exposed to store humidity swings. A torn, missing, or improperly installed curtain lets warm, moist air spill into the case, which can lead to icing on coils and inconsistent product temps by morning. Checking curtains should be part of your closing routine, not an afterthought.
Coil Cleaning
Dirty condenser and evaporator coils are behind a large share of the refrigeration service calls we run in grocery and c-store settings. Dust, cardboard fibers, and kitchen grease (in stores with a deli or hot bar) build up fast and restrict airflow. That makes compressors run longer and harder to hit the same setpoint, which shortens equipment life and raises utility costs. Evaporator coils inside cases need attention too — ice buildup on an evaporator coil is often a sign of a bigger issue and should be evaluated by a technician rather than chipped away at by staff.
Temperature Logging
Consistent temp logs protect your product and your inspection record. Whether you're using manual logs, dial thermometers, or a remote monitoring system, the goal is the same: catch a drift before it becomes a loss. Logs should be checked at set intervals, not just glanced at once a shift, and any case trending warmer than normal deserves a service call before it fails outright. Good logs also give a technician a head start diagnosing intermittent problems, since a single snapshot temperature rarely tells the full story.
- Log temps at consistent intervals, not just once per shift
- Note any case that's trending warmer over several checks
- Keep a simple written or digital record inspectors can review
- Flag repeat problem cases for a service evaluation, not just a reset
Rack Systems
Larger grocery stores typically run parallel rack refrigeration systems feeding multiple cases from a central compressor rack, rather than standalone units on each case. Rack systems are efficient but complex, and a problem with one component can affect several cases at once. Refrigerant charge, oil levels, and compressor cycling on rack systems are safety-critical and should always be handled by a licensed refrigeration technician — this isn't a system for in-house troubleshooting beyond basic visual checks and airflow maintenance.
Shrink Prevention
Every degree of temperature drift adds up to shrink — product pulled, marked down, or thrown out. Preventing it comes down to routine, not luck: consistent coil cleaning, working night curtains, sealed door gaskets, and temp logs that actually get reviewed. Pair that with a standing service relationship so small issues (a failing fan motor, a sagging door, a slow refrigerant leak) get caught before they become a case full of spoiled dairy or deli product.
When to Call a Technician
Anything involving refrigerant, electrical components, or compressor work should be left to a licensed technician — not attempted in-house, regardless of how simple it looks. That protects your staff, your equipment, and keeps you compliant with EPA refrigerant handling rules. Routine visual checks, cleaning schedules, and temp logging are things your team can manage day to day; diagnosing why a case won't hold temperature is not.
Commercial Service Company has served grocery stores, convenience stores, and food service operations across Conway, Little Rock, Benton, Bryant, Maumelle, Jacksonville, Searcy, Russellville, and the rest of central Arkansas since 1976. If your cases are running warm, your racks need attention, or you just want a second set of eyes on your refrigeration maintenance routine, call us at 501-548-2374.