For businesses
Supermarket refrigeration controls & EMS across Florida.
Rack and case controls, alarm troubleshooting, programming, and controller retrofits for grocery stores and supermarkets. Micro Thermo, Copeland / Emerson, Danfoss, and Novar. Based in Punta Gorda; Florida travel by project.
Based in Punta Gorda Isles · Licensed CAC1824348 · Call any time - we usually pick up, day or night
Context
Supermarket rack, case, and store controls: diagnosis through commissioning.
Supermarket refrigeration problems often cross several systems: compressor racks, case controllers, temperature sensors, defrost schedules, communications, and the store energy-management system. Isles Mechanical helps grocery operators and facilities teams trace alarms to their cause, verify control sequences, and plan repairs or upgrades. We are based in Punta Gorda and scope controls projects across Florida.
We service Micro Thermo, Copeland / Emerson E2, Einstein and Site Supervisor, Danfoss AK-SC 255 and AK-SM 800/820, and Novar platforms. Work includes controller programming, sensor and I/O checks, network troubleshooting, suction-group and head-pressure strategies, alarm settings, and defrost tuning. Remote assessment depends on platform support, authorized access, and the fault; some problems require an on-site visit.
For a controller retrofit, we document the existing installation, confirm compatibility and parts availability, map inputs and outputs, back up available settings, and agree on a cutover plan. Commissioning checks verify temperatures, alarm behavior, and control sequences. We discuss operational risk and contingency steps with the site before changes. For energy work, establish a baseline and compare measured operation after tuning; savings depend on the equipment and starting condition.
Planning a supermarket controls project?
Send the site location, controller platform and model, alarm history, rack or case count, and the scope you have in mind. We can discuss programming, communications faults, defrost strategy, controller replacement, and commissioning.
Explore refrigeration optimization and retrofit options →What's included
Every job covers the basics.
- ·Rack, case, and store-level refrigeration controllers - service, retrofit, and new install
- ·Micro Thermo - programming, defrost tuning, alarm response
- ·Copeland / Emerson Einstein, Site Supervisor, and E2 - service and end-of-life migration
- ·Danfoss AK-SC 255 and AK-SM 800/820 - programming and platform migration
- ·Novar energy-management system service and replacement
- ·Floating head-pressure, floating suction, and demand-defrost tuning
- ·Remote alarm response on supported platforms; dispatch when needed
- ·End-of-life controller migrations with a planned cutover and site-specific contingency steps
What we fix
Common supermarket controls problems we handle.
Alarms going off with no documented cause
We review the alarm history and check whether remote diagnosis is appropriate. On-site checks may be needed.
Can't get parts for an aging controller
End-of-life Einstein, E2, Novar ESC, and AK-SC 255 replacements with parallel cut-over so product stays cold.
Defrost cycles not clearing the coil
Termination sensor, defrost heater, or the strategy itself. We verify all three before recommending a fix.
Energy bill higher than it should be
Floating head pressure, floating suction, and demand-defrost tuning usually find the leak faster than hardware swaps.
Our process
A clear path forward.
- 1
Diagnose
Pull the log, read alarms, verify the strategy against reality.
- 2
Tune or replace
We explain the recommended tuning or hardware changes, scope, and pricing, and confirm approval to proceed.
- 3
Commission & train
Operator handoff with a runbook so your staff knows what each alarm means.
FAQ - Supermarket controls
Supermarket Controls & EMS questions.
Which refrigeration control platforms do you service?
Micro Thermo, Copeland / Emerson (Einstein, Site Supervisor, and E2), Danfoss (AK-SC 255, AK-SM 800/820), and Novar. Programming, alarm response, defrost tuning, and controller replacements on all four.
Can you replace an aging controller we can no longer get parts for?
Yes. End-of-life Einstein, E2, Novar ESC, and AK-SC 255 replacements with migration onto current-generation controllers and existing I/O mapping preserved where possible. We agree on a cutover plan, operating risks, and contingency steps before the swap.
Do you do on-call alarm response for existing installations?
Yes. Remote login on supported platforms; on-site dispatch for everything else. Defrost issues, compressor trips, suction-group alarms - we triage against risk to product.
Can you tune an existing system for energy savings?
Yes - floating head pressure, floating suction, demand-based defrost, and night setback on lighting and RTUs. We compare measured operation against a baseline; results depend on equipment and existing settings.
Do you do new installations end-to-end?
Yes - scope, spec the controller, wire it, program, commission, and train your staff. We prefer to be in the design conversation early; retrofits are fine too.
Where we work
Florida-wide for supermarket controls work.
Our shop is in Punta Gorda, but we will travel for larger controls retrofit and refrigeration commissioning work.
- Punta Gorda (base)
- Tampa
- Orlando
- Naples
- Miami
Have a site outside those markets? Call (941) 205-6331 - we scope it case by case.