Defrost strategy
Electric or hot-gas defrost is selected on duty and product type, with heated drain lines and correctly timed cycles to keep the evaporator clear without lifting product temperature.
Freezer rooms are unforgiving: defrost strategy, floor insulation and door management decide whether the room holds −20 °C reliably or ices itself into failure. In Ottery, industrial rooftops with high solar gain. Plant rooms need airflow clearance to avoid short-cycling.
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Electric or hot-gas defrost is selected on duty and product type, with heated drain lines and correctly timed cycles to keep the evaporator clear without lifting product temperature.
Thicker panels, insulated and heated door frames, air curtains or strip curtains on high-traffic openings, and floor insulation that prevents frost heave.
Correctly sized condensing units, phase and pressure protection, crankcase heating where required, and remote alarms so a night-time fault does not become a morning write-off.
Industrial rooftops with high solar gain. Plant rooms need airflow clearance to avoid short-cycling. That shapes how we specify and service freezer rooms here — from component selection through to service intervals. We work for warehousing and distribution, food production, motor trade, retail centres across Ottery Hypermarket area, Ottery East industrial, Wetton Road and the surrounding streets.
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Call, WhatsApp a photo of the unit, or send the details below. Typical arrival window here is 20 – 40 min.
Written quotes before work starts, measured diagnostics on every callout, and guaranteed workmanship on parts we fit.