Wall-mounted split air conditioning in Madrid: installation and repair
The 1x1 split is the most installed type of air conditioning in homes and offices in Madrid. At Uniclima, we install it in a single day —including power calculation— and repair any fault with a 12-month labour warranty.
El split de pared conecta una unidad interior mural con una unidad exterior mediante una línea frigorífica de cobre (líquido + gas) y un cable eléctrico multihilo. Es la solución más extendida porque combina bajo coste de instalación, buena eficiencia energética y mantenimiento sencillo. Los modelos inverter actuales —que modulan la velocidad del compresor según la demanda real— consumen entre un 30 y un 40 % menos que los equipos on/off de velocidad fija, con temperatura mucho más estable y menor nivel sonoro en operación continua.
We work with the leading brands in the market and have access to original spare parts for repairs. Each installation includes power calculation, laying of the refrigerant line with thermal insulation, evacuation with a certified vacuum pump, refrigerant charge R32 or R410A by weight (not by pressure), and delivery of the mandatory F-Gas certificate. We guarantee the installation for 2 years and labour in repairs during 12 months.
What our service includes
- →Technical visit and calculation of cooling capacity according to surface area, orientation, and thermal load
- →Installation of the indoor unit on the wall and the outdoor unit on the facade, terrace, or roof
- →Installation of refrigerant line with copper pipe and elastomeric insulation class O
- →Vacuuming the circuit with a vacuum pump to ≤500 microns before charging refrigerant
- →Charging R32 or R410A by weight with a certified scale (not by gauge pressure)
- →F-Gas Certificate and commissioning documentation
- →Repair of compressor, PCB, fan, temperature sensor, and gas leaks
Brands we install and repair
Mitsubishi Electric
LG
Panasonic
Haier
Fujitsu
Uniclima Warranty
2 years on new installations · 12 months on repair labour · Service within 24–48 working hours in Madrid and Corredor del Henares
Frequently Asked Questions
How many kW do I need for a 20 m² room?
For 20 m² well-insulated with standard ceiling height (2.5 m) in Madrid, the thermal load is usually between 1,400 and 2,000 W cooling, depending on the orientation and enclosures. A 2 kW (7,000 BTU) split unit covers most cases. If the room is south-facing, has a lot of glazing, or the insulation is poor, we recommend increasing to 2.5 kW. In any case, we perform the exact calculation during a prior technical visit at no cost.
When should gas be charged in a split unit?
A properly installed split system does not consume refrigerant; the gas does not "get used up." If the unit cools poorly or the technician detects low pressures, there is a leak in the circuit. Charging gas without locating and repairing the leak is a waste of money: within a few weeks, the unit will fail again. At Uniclima, we always locate the leak with an electronic detector before recharging, repair the leak point, and only then do we charge the R32 or R410A refrigerant by weight.
Can I reuse the refrigerant line if I change the unit?
It depends on the condition of the line and the refrigerant of the new unit. If the line is clean copper, without excessive bends or oxidation, and the new unit uses the same refrigerant as the previous one (e.g., both R32), it is possible to reuse it after evacuating and checking its tightness. If you are switching from R410A to R32 or the line is deteriorated, it is safest to replace it to ensure the efficiency and warranty of the new unit. We will assess it during a prior visit.