What makes commercial cooling different
A home split system usually cools one room or a few rooms for one household. A commercial system runs for longer hours and cools more people. It also deals with far more heat-generating kit, under a different set of rules again.
An office, shop or kitchen needs a system sized for its real heat load. That load depends on the number of people, the computers running, and how much sun comes through the glass. Getting the size wrong is a common reason a commercial system falls short.
A unit that is too small runs non-stop and never reaches the target temperature. One that is too big switches on and off too often, and wears out early. Home and business sizing differ in more ways than this, and commercial versus domestic air conditioning goes through them.
Run hours, load and zoning
Commercial buildings usually need cooling for far longer each day than a home does. They also need it across more separate zones at once. A reception area, an open-plan floor and a server room rarely want the same temperature.
As a result, zoning lets each area run on its own. A business is then not cooling an empty meeting room to the same level as a packed sales floor.
Commercial systems run more hours across the year, so efficiency matters more here than at home. So a more efficient unit is worth weighing, even at a higher upfront cost. That matters most for a business open six or seven days a week. For a wider heating and cooling upgrade, the parts of an HVAC system shows where air conditioning fits.
Out-of-hours access and site rules
Installing or servicing a commercial system almost always means working around a business that is still open. That often means fitting access in after hours or on a weekend instead. That is because disruption to customers or staff carries a real cost. The installer will usually plan the job around access times agreed well in advance.
An installer working in a shop or a restaurant also needs to know the fire doors and the health and safety rules. They need to know about any site induction, too, before they arrive. A landlord or managing agent may still need to sign off on where an outdoor unit sits. That is most true in a shared building, or a row of shops with shared outdoor space.
Workplace duties, kitchens and server rooms
Employers have a duty under UK workplace rules to provide a reasonable working temperature. HSE guidance sets a usual minimum of 16°C, or 13°C for strenuous work, but no maximum. Still, HSE expects employers to take practical steps, such as air-cooling, when a workplace gets too hot.
Commercial kitchens face their own pressures, too. Extraction and make-up air systems already move a large amount of air through the space. Cooling has to work alongside that airflow, rather than against it. Our guide to air conditioning in commercial kitchens covers this in more depth.
Server rooms and comms cupboards are a different problem entirely. That kit must stay within a narrow temperature band around the clock. It needs to stay stable even on a bank holiday, when nobody is in the building. That often calls for a dedicated unit with its own backup.
Planning and permitted development for business premises
In England, Part 14, Class G grants permitted development rights for air source heat pumps on homes, subject to conditions. However, it excludes any unit used solely for cooling. Part 14 has no matching class for heat pumps on business premises at all.
As a result, an outdoor unit on commercial premises may need approval from the local planning team before work starts. A listed building can also need listed building consent. None of this is worth guessing at, so check with the council’s planning team early. An installer who works often on commercial sites can help you frame that question.
Bristol coverage for business premises
Bristol showed the highest search demand of any town in our research, so it has its own commercial page. Business premises there range from offices and shops to restaurant kitchens. Our commercial coverage page for Bristol sets out what to expect locally. It covers typical timings and the access planning that business premises need.
Coverage across the region
We cover business premises beyond Bristol too. Dedicated hub pages serve Plymouth commercial air conditioning, Bournemouth commercial air conditioning and business cooling in Swindon. Further pages cover commercial cooling in Poole, Exeter business air conditioning and commercial systems in Gloucester.
Cheltenham commercial air conditioning, Bath commercial air conditioning and business cooling in Taunton each get their own page too. Our Salisbury commercial page and our Truro commercial page complete the list.
Getting a commercial quote
Every commercial site is different, since the load, the hours and the access rules all vary by business. A fair price needs a proper site visit, rather than a guess from a description. Tell us the type of premises and the rough floor area or number of rooms. Let us know, too, whether you need a new install, a maintenance contract or a repair.
One enquiry puts you in touch with one pre-qualified installer for this job. It is free, with no obligation.
Send your enquiry through the contact page. The installer we match you with will usually visit the site before pricing the job. Our servicing and maintenance and repair pages cover ongoing care and faults, if that fits your job better than a new install.