Brands we install and supply
Chosen to suit how the building is used and the budget it is built to, with parts and service centres available in Thailand.
Air conditioning
Sizing it right the first timecosts less than fixing it later
Design, installation, cleaning, repair and relocation for homes, condominiums, offices and commercial buildings — quoted from a cooling load calculation rather than a guess at the room size.
What we take on
New installations
Site survey, load calculation, pipework, installation, commissioning
Cleaning and maintenance
Coils, drain trays and filters cleaned, refrigerant pressure checked
Repair and diagnosis
Poor cooling, water leaks, unusual noise, compressor faults
Relocation
Removal, new pipework, recharge and testing
How many BTU does the room need
BTU measures cooling capacity. Undersize it and the unit runs constantly without cooling the room, driving the bill up and shortening the life of the compressor. Oversize it and the unit cycles off before it has pulled the moisture out, leaving the room cold but damp — and costing more to buy than it needed to. The table below is a starting point for an ordinary bedroom or living room in a house.
Add capacity when
- The room takes afternoon sun or has large glazing
- It sits on the top floor under the roof
- Several people use it at once, regularly
- There is a cooker, oven or other heat-producing equipment
- The ceiling is higher than 2.6 metres
| Room size | Capacity | Typically |
|---|---|---|
| 12–15 sqm | 9,000 BTU | Small bedroom, studio condominium |
| 16–20 sqm | 12,000 BTU | Standard bedroom, home office |
| 21–28 sqm | 18,000 BTU | Large bedroom, medium living room |
| 29–35 sqm | 24,000 BTU | Living room, open plan onto a kitchen |
| 36–44 sqm | 30,000 BTU | Large hall, small retail unit |
| 45–55 sqm | 36,000 BTU | Retail, open plan office |
Use this to budget. The actual selection comes from orientation, glazed area, ceiling height and occupancy — not from a fixed figure per square metre.
How often should it be cleaned
Dust on the coil reduces how much heat the unit can exchange, so it works harder for the same cooling. The bill rises before anyone notices the room feels warmer.
Ordinary household
A few hours of use a day, normal dust
Rooms run most of the day
Bedrooms left on overnight, homes with pets
Offices and shops
Frequent traffic, doors opening and closing
Restaurants and dusty sites
Cooking vapour, smoke, or construction dust nearby
Beyond cleaning, have the refrigerant pressure and compressor current checked once a year. A slow loss of refrigerant usually shows no symptom until the compressor begins to suffer for it.
Signs worth calling about early
- It cools more slowly than it used to at the same setting
- Water drips from the unit, or a stain appears on the ceiling
- Unusual noise from the outdoor unit
- A musty smell every time it starts
- The bill rises with no change in how it is used
- The compressor cycles more often than before
From the site
Work you can see, not just a promise
Air conditioning is not judged on the day it is installed but on the day a technician opens it up years later. These photographs are what the work actually looks like — in plant rooms, on rooftops, and under office ceilings that are sheeted over before any cleaning begins.
Cleaning indoor units without the mess
Every clean starts with a catch bag under the unit and sheeting over the floor and furniture before the evaporator coil is washed at the right pressure. Blower wheels and drain trays are removed and cleaned separately, so the air runs cold again and the smell is gone — and the room is left as clean as it was found.
Rooftop condensing units
Outdoor units sit in sun and rain all year and are the part most often forgotten. Dirt packed into the fins makes the compressor work harder and quietly raises the bill. Fins are washed from the inside out, and the refrigerant lines and mountings are checked every visit.
Large systems in the plant room
Offices and commercial floors often run floor-standing units ducted across a whole level. Here the filters come out to be washed, large coils are cleaned and the duct insulation is inspected — one unit cools an entire floor, and when it stops the whole building feels it.
Measuring before things fail
Many faults show no symptom until something breaks. Refrigerant pressure is read on gauges, control panels are checked, and wall-mounted outdoor units are inspected. Finding a small leak or a loose electrical connection early costs a fraction of a new compressor.
After handover
What the owner sees is a level installation, pipework and cabling dressed neatly, and no water marks on the ceiling — wall-mounted, ceiling-suspended and four-way cassette units, each fitted to suit the interior around it.
Common questions
How long does one installation take
A typical household installation with a short pipe run takes half a day to a day per unit. Drilling through concrete, concealing pipework in a ceiling, or fitting several units at once is quoted with a firm schedule after the survey
Does relocating a unit always need a recharge
If the refrigerant is pumped down into the outdoor unit properly before removal, usually not all of it. A longer pipe run than before, or a leak found on removal, does need topping up to the actual length
Can I clean it myself
The air filter, yes — and it is worth doing monthly. The evaporator, condenser and drain tray need a pressure washer and dismantling; water in the wrong place damages the control board
Repair the old one or replace it
Past about ten years, on discontinued R22 refrigerant, and with a repair costing more than half a new unit, replacing usually wins once the saved electricity is counted
Do you take on large buildings
Yes — VRV / VRF systems, ductwork and ventilation for offices, hotels and factories, designed alongside the architecture from the drawing stage
Let us look at the site first
The survey costs nothing. We measure the space, check the orientation and the electrical supply, and set out the options with the trade-offs of each before any price is discussed.