A florist on a warm high street needs staff and customers comfortable, and cut flowers kept cool without a freezing draught or desert-dry air on the buckets. A comfort split can help the people if the jet misses the display and the door load is honest. It is not a flower fridge, and a setpoint chased down to chill stock will spoil both the flowers and the shop. Survey where the buckets sit, how often the door opens, and whether a refrigerated cabinet is the thing you actually need. Refrigerant work needs an F-gas certified company. A careful layout beats a colder badge.
People comfortable, buckets out of the jet
Cut flowers generally prefer cool conditions and hate a hot window, a radiator and a direct blast of dry air. Comfort cooling aimed along the ceiling, with the buckets outside the jet, is the layout to ask for. Map bucket and bouquet positions before you place the indoor unit. Pointing the vane at the display to keep them fresh dries petals and can chill wet stems in a way the stock does not enjoy. The split can stop the shop becoming a hot window, which helps. It will not keep flowers the way a proper cabinet does.
Do not use the shop unit as a freezer. Very low setpoints waste electricity, make the pavement door dump mist, and are the wrong tool for flowers that should sit in a proper cabinet. If you need cabinet temperatures, buy a cabinet designed for that, with its own controls. Leave a modest occupied setpoint for a staffed shop. A deep chill is hard on staff, expensive to run with the door opening, and a poor way to store flowers.
Wet floors, door leakage and a cabinet that dumps heat
Florists are wet: buckets, stems and a floor that gets mopped. Cooling coils remove moisture from air that passes through them, which can help a steamy shop and can also dry a display if the unit never stops because the door is open. A closer on the door, shade on the glass and a unit sized for the real leakage beat a larger machine fighting the street. Condensate must go to a proper drain. A florist does not need another puddle. Pumps and pipes should stay out of the splash from arranging sinks. Outdoor plant on a rear yard or a landlord's wall needs consent and enough airflow among bins and deliveries.
Staff are on their feet in a warm room. HSE temperature guidance applies to that workplace and does not offer one maximum figure to hide behind. Cooling, shade, water and a door that is not propped all day are the practical mix. Petals and leaves block filters. Show the team how to clean them and book a proper service before Mother's Day and the Christmas rush, not after. A flower fridge that dumps heat into the shop is part of the comfort load. Tell the surveyor where the cabinet rejects heat so the comfort unit is not undersized. A single small shop often sits under the 12 kW inspection threshold. A large premises or several systems can cross it, and then GOV.UK inspection rules matter. F-gas certification matters for the install in either case. Choose the installer who will look at the buckets and move the indoor unit, rather than the one who only talks about the logo.
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How this guide was prepared
This guide was written by the Local AC Installers Editorial Team. We compare official guidance, legislation and established consumer information, separate general information from project-specific advice, and show publication dates and sources. We do not accept installer accreditation claims at face value.