True Walk-In Cooler Thermostat Issue in Lakeside, FL
Temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. We fix this on True walk-in coolers across Lakeside. Urgent breakdowns get priority dispatch, so they don't wait until morning.

Why your True walk-in cooler is thermostat issue
The first things owners spot on a thermostat issue True walk-in cooler: temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. Nine times out of ten it comes down to failed temperature sensor. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- A miscalibrated thermostat
- A bad control board
- Failed temperature sensor
Known True walk-in cooler weak points
- condenser fan motor failure and dirty condenser coils causing high box temperatures
- door gasket wear and self-closing hinge cartridge failures on reach-ins
- evaporator coil icing and clogged/frozen condensate drain lines
- electronic temperature controller faults on newer Spec Series units
Quick check — and when it's not DIY
Worth checking yourself first: compare the reading against a separate thermometer placed in the same spot for an hour. Also, confirm the temperature setting itself, and give the unit 24 hours after any adjustment before assuming it's broken. If that doesn't fix it, a sensor that's confirmed inaccurate has to be replaced and recalibrated against the control board — guessing which part is at fault wastes a parts order.
How we fix it
First we diagnose the True walk-in cooler end to end, so you're not paying to swap parts on a guess. OEM True parts are widely stocked through foodservice distributors; sealed-system/refrigerant repairs require an experienced technician. The quote is flat, approved before we start, and every repair carries our warranty.
Independent commercial service experienced with True refrigeration; not an authorized True dealer.
What Lakeside homeowners say
on the First Coast
“No waiting around — the True walk-in cooler was diagnosed within an hour of the tech arriving. Genuine parts, done in one trip, and the invoice matched the quote.”
“The True walk-in cooler broke right before the weekend and they still came out same-day. Flat price agreed up front, and they stood behind the labour warranty.”
“Two other shops couldn't fit us in — these guys fixed the True walk-in cooler the same day. They clearly knew True inside out and had the part on the truck.”
Frequently asked questions
Do you charge for the estimate?
A flat $149 covers the on-site diagnosis and rolls into the repair price. What we quote is what you pay — no add-ons.
What does a True walk-in cooler that is thermostat issue usually cost?
Most repairs for a True walk-in cooler that is thermostat issue run $280–$1,300 including parts and labour. The $149 diagnostic is credited in full toward the repair when you go ahead, and you get a flat quote before any work starts.
Do you offer same-day service in Lakeside?
Yes. We cover Lakeside daily and offer same-day and emergency service. Booking earlier in the day gives the best chance of an afternoon slot.
Do you warranty your repairs?
We stand behind the work with a 1-year labour warranty and 6-month parts warranty — if it recurs in that time, we fix it again for free.
Get same-day service in Lakeside.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.