Where air conditioning makes the most difference
Some rooms and properties overheat badly or need consistent temperatures that opening a window cannot provide. These are the situations where a split system is genuinely useful rather than a luxury.
For homes:
- Loft conversions and top-floor bedrooms, which become uncomfortably hot in summer and are difficult to keep cool overnight
- Home offices, where working through warm weather without adequate cooling affects concentration and comfort
- Bedrooms generally, where a quiet, cool room improves sleep during warm spells
- Garden rooms, home studios, and outbuildings, which often have no natural ventilation and no connection to the central heating
- Living rooms and lounges where the family spends the most time
For small businesses:
- Small offices where staff need a stable working environment
- Treatment rooms, clinics, and studios where client comfort matters
- Server rooms and equipment spaces that generate significant heat
- Retail units and small commercial premises where temperature affects both staff and customers
Single-split and multi-split systems
A single-split system is one indoor unit connected to one outdoor unit. It is the most common domestic installation and is the right choice when you need to condition one room. Installation is straightforward: the indoor unit mounts on the wall, the outdoor unit sits on an external wall or on the ground, and refrigerant pipework runs between them.
A multi-split system uses one outdoor unit connected to two, three, or four indoor units. It is practical when you want to condition several rooms without fitting multiple outdoor units on the exterior of the property. Each indoor unit can be controlled independently, and the rooms do not need to be adjacent.
We advise on which is appropriate based on the property, the number of rooms, the position of the outdoor unit, and the available space. If you are unsure which type suits your situation, we can assess the property before quoting.
Cooling and heating — it works both ways
Most modern split systems are reverse-cycle units — they heat as well as cool. In heating mode, a split air conditioning unit is considerably more efficient than electric panel heaters or convector heaters. For rooms that are hard to heat through a central heating system — loft conversions, garden rooms, outbuildings — an air conditioning unit running in heating mode can be a practical year-round solution rather than a seasonal one.
What installation involves
- We assess the room, wall construction, outdoor unit position, and power supply requirements before quoting
- The indoor unit is mounted high on the wall and connected to the outdoor unit via refrigerant pipework and electrical cabling
- We handle the electrical connection as part of the installation — no need to coordinate a separate electrician
- Refrigerant is charged and the system is commissioned and tested before handover
- We agree the routing and unit positions with you before any work starts
Why London BS Ltd
- F-Gas registered — a legal requirement for anyone handling refrigerants; our certification covers supply, installation, and commissioning
- Electrical work included — we handle the electrical connection ourselves, so there is no need to bring in a second contractor
- Local to Dunstable — we work across Dunstable, Luton, Houghton Regis, and Leighton Buzzard without inflated call-out charges
- Straightforward advice — we tell you what system suits the space and why, rather than upselling capacity you do not need