A pharmacy has two temperature jobs. People in the shop and the dispensary need a bearable workplace on a hot high street. Medicines need storage that matches their licence, including a medicines fridge where the product requires one. A comfort split set for staff is not a pharmaceutical store, and it does not prove a product stayed in range. Survey the shop, the dispensary and the consultation room as occupied spaces, and leave medicine storage to the rules you already follow. Refrigerant work on the comfort system needs an F-gas certified company.
People on a sunlit shop floor
Shop-floor cooling is about customers, gowns, and staff who stand all day beside sunlit glass. A dispensary behind a screen can be hotter still, with computers and little airflow. Those are comfort problems a split or cassette can address after a survey.
Medicines storage stays on its own rules
Many medicines have labelled storage conditions, and fridge lines need a medicines refrigerator with monitoring, not a wall unit blowing towards a shelf. Do not aim cold air at stock and call it compliance. Do not store fridge medicines in the airstream of a comfort unit. Your superintendent and the product guidance remain the authority. This article will not set a storage protocol. Turning the shop down in a heatwave is a poor storage method and can chill people and some products in a draught.
A pharmacy door that opens all day
High-street doors open all day. Size for that leakage and for afternoon sun, or the unit will run flat out and still lose. A cassette or a high wall unit throwing along the shop is kinder than a jet at the counter queue.
- Treat the medicines fridge as its own appliance.
- Keep comfort setpoints for people, and log product storage separately.
- Do not site stock in a cold draught from the indoor unit.
Dispensary and consultation rooms as separate zones
The dispensary should be on its own zone if the door between shop and dispensary shuts. Only treat them as one zone when the dispensary is open to the shop and the survey says so. Consultation rooms need low noise, a vane that misses the chairs, and often their own quiet indoor unit. One indoor unit in the shop will not hold a closed consultation room.
Consent above the shop and staff heat
Outdoor units on rented high streets need consent, a structure that can carry them, and a noise check toward flats above. Agree that before kit is ordered. Staff comfort sits under HSE workplace temperature guidance: keep the workplace reasonable, and do not expect a single legal maximum to do the thinking for you.
Filters before a heatwave, and the 12 kW line
If the pharmacy's air conditioning exceeds 12 kW of effective rated cooling output, GOV.UK inspection duties can apply. Many single shops stay under. A large pharmacy with several indoors may not. F-gas certification is required for the refrigerant work either way. Hire the firm that will service filters before a heatwave, not the one that vanishes after install. The proposal should state that the system is for occupant comfort.
Frequently asked questions
Can shop air conditioning store medicines at the right temperature?
No. Comfort cooling is for people. Medicine storage follows the product licence and your pharmacy procedures, including a proper medicines fridge where one is required.
Core buying guides
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Sources and further reading
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.