Air conditioning installation, servicing and repair across Sussex & Surrey — fitted with the same care we bring to systems that simply can't fail.
Whether it's a cooler bedroom for summer or comfortable air through a busy premises, we help you find the right system, fit it beautifully, and make sure it's working perfectly before we leave — with honest advice at every step.
New systems for homes, garden rooms, shops, salons, offices and server rooms — sized and specified for the space.
Annual servicing and maintenance plans keep your system efficient, healthy and under warranty — and head off breakdowns before they start.
Fault-finding done properly — diagnosed, explained and fixed, never guessed at. Rapid response on all major manufacturers.
Shops, pubs, salons, offices and server rooms — a planned maintenance contract keeps your cooling reliable and off your mind. Scheduled visits, priority response, tailored from a single unit to a full estate.
Every property is different. We recommend the system that genuinely suits the room, the building and the budget — and explain exactly why.
The go-to for bedrooms, living rooms and home offices. Discreet, whisper-quiet, and heats as beautifully as it cools.
One outdoor unit running several rooms — ideal where outdoor space is limited or you're conditioning the whole home.
Flush-mounted units that sit neatly into the ceiling — the standard choice for shops, salons and open-plan spaces.
Fully concealed air conditioning with just a slim grille on show. For high-end homes and spaces where looks matter.
Dedicated cooling for IT and comms spaces — sized for the heat load and built to keep sensitive equipment at a safe, steady temperature.
Larger commercial systems serving multiple zones from one condenser — for offices, hospitality and bigger premises.
The same manufacturer-spec workmanship, whether it's a single bedroom or a whole premises.
Behind Coolsmith is years of hands-on experience across every kind of air conditioning job — from a single bedroom split to full commercial systems. Clean installs, correct refrigerant handling, everything tested before we leave: the same careful standard comes with us into every home and business we work in.
Legally certified to handle refrigerants — required for any AC work.
From domestic splits to larger commercial systems — we've worked on it all.
Correct cable, correct pipework, correct commissioning. No shortcuts.
A Sussex business you can still get hold of long after the install.
Based near Billingshurst, West Sussex — covering homes and businesses across both counties. Not sure if we reach you? Just ask.
Free, no-obligation quotes. Send a photo of the room or unit and we'll usually price it the same day.
Installation, servicing, repairs and maintenance contracts — one number for everything.
Expertly fitted air conditioning across Sussex & Surrey — for homes, garden rooms, shops, salons, offices and server rooms. Whatever the size of the project, you get the same manufacturer-spec workmanship from first survey to final handover.
We visit (or work from your photos), size the system properly for the space, and give you a clear written quote — no vague estimates, no pressure.
Neat pipework, correct cabling, tidy containment and genuine respect for your property. Most single-room installs are completed in a day.
Every system is pressure-tested, vacuumed, commissioned to manufacturer spec and run-tested in both heating and cooling before we sign it off.
We walk you through the controls, register your warranty, and stay on the end of the phone. We don't disappear once we're paid.
From a single bedroom split or garden room to multi-room systems, ceiling cassettes for shops and salons, and dedicated cooling for server and comms rooms — we install systems sized and specified for the space, and we'll always explain the reasoning behind what we recommend.
Regular maintenance is the difference between a system that quietly does its job for fifteen years and one that fails in the first heatwave. We service all major brands across Sussex & Surrey.
If cooling matters to your trade — shops, pubs, salons, offices, server rooms — a planned maintenance contract keeps it reliable and off your mind: scheduled visits, priority response when something does go wrong, and one less thing to think about. Tailored to your premises and budget, from a single unit to a full estate.
Fault-finding done properly — diagnosed, explained and fixed, not guessed at. Rapid-response repairs for homes and businesses across Sussex & Surrey, on all major manufacturers.
Caught early, most of these are quick, inexpensive fixes. Left alone, they tend to become compressor or circuit-board failures — the expensive end of the scale. If you spot any of the above, it's worth a call sooner rather than later.
Proper fault-finding with the right test equipment — we find the cause, not just the symptom.
A plain-English explanation of what's wrong and a clear price before any work begins.
Repaired with correct parts and correct refrigerant handling — we're REFCOM F-Gas registered, as the law requires.
Sometimes a repair isn't the right answer. If a system is old, inefficient and on its third fault, we'll tell you straight and price both options so you can decide. What we won't do is keep patching something that's costing you money.
For commercial customers, a breakdown costs trade. Our maintenance-contract clients get priority response when something goes wrong — if cooling matters to your business, ask us about a contract.
Your home should feel comfortable all year round — cool in a heatwave, warm on a cold morning, and quiet the rest of the time. We design and fit systems that suit the room, the house and the way you actually live in it.
The most popular install we do, for good reason: a properly sized, quiet wall-mounted unit turns sticky summer nights into proper sleep. Modern units run at a whisper on night mode, and warm the room in winter too.
Open-plan spaces and lounges need a little more thought — unit position, airflow and sizing matter more in bigger rooms. We'll recommend a discreet setup that keeps the whole space comfortable without blasting one sofa.
If you work from home, you know a stuffy box room kills concentration. A small split holds your office at a steady temperature all day for pennies an hour — heating in January, cooling in July.
Garden offices, gyms and studios heat up fast in summer and freeze in winter. Air conditioning is the single upgrade that makes them genuinely usable all year — and because they're detached, installation is usually straightforward.
Conditioning several rooms? A multi-split runs multiple indoor units from one outdoor unit — tidier outside, and each room keeps its own control. We design the layout around your house rather than forcing a one-size-fits-all package.
When cooling matters to your trade, it needs to be reliable, efficient and properly looked after. We install and maintain systems for businesses across Sussex & Surrey — with maintenance contracts that keep them running.
Customers don't linger in a hot shop. Ceiling cassettes or discreet wall units keep the sales floor comfortable without getting in the way of your layout or your stock.
Busy service, kitchen heat and a full room add up fast. The right system keeps guests comfortable and staff working — and heats the space efficiently through winter trade too.
Dryers, tools and back-to-back clients make salons some of the hottest rooms we visit. Quiet, effective cooling keeps clients relaxed in the chair and your team comfortable through a full column of bookings.
Productivity drops when the temperature's wrong — it's the most common complaint in any workplace. We fit systems sized for real occupancy, with sensible controls your team won't fight over.
IT equipment fails when it overheats, and it rarely fails quietly. We design server and comms room cooling with reliability in mind — sized for the heat load and specified to keep your equipment running at a safe, steady temperature.
Every commercial customer is offered a planned maintenance contract: scheduled servicing, priority response when something goes wrong, and one less thing on your list. Tailored to your premises, from a single unit to a full estate.