Air conditioner not cooling like before in Sant Just Desvern: causes and fix
Resumen rápido
Usually dirty filters or low refrigerant gas.
¿Qué está pasando?
The split cools by compressing refrigerant gas.
Causas más probables
Clogged filters
altaWithout seasonal cleaning, airflow halves.
Low refrigerant
altaSlow leak over years.
Dirty outdoor unit
mediaLint or plants too close.
Wrong thermostat mode
bajaMake sure it's in cool mode.
Pasos de diagnóstico
- 1
Clean the filters
Remove filters and rinse.
- 2
Check the outdoor unit
Clear leaves and objects within 30 cm.
- 3
Check mode and setpoint
Cool mode at 24-25 °C.
Cuándo llamar a un profesional
Call a tech if it persists or copper pipe has frost.
Coste orientativo en Sant Just Desvern
60–220 €
Diagnosis and foam cleaning.
Contexto local · Sant Just Desvern
In Sant Just Desvern pre-summer maintenance is key.
Sant Just Desvern is one of the highest-income towns around Barcelona, and the brief reflects it: full refurbs with premium materials, full home automation (KNX, Loxone, Home Assistant) and yearly maintenance contracts. Stock is dominated by 1980s–90s terraced houses in Mas Lluí and new-builds in the centre. Most homes run heat pumps and underfloor heating; our HVAC team is certified to service and re-tune them. Van access and parking are easy, and we coordinate visits with concierge in gated developments.
- Comarca: Baix Llobregat
- Población: 18.234 hab.
- Parque de vivienda predominante: unifamiliar
- Año medio de construcción: 1988
- Códigos postales: 08960
Localidad residencial pegada a Sant Joan Despí y Esplugues, con calidad media-alta de la edificación.
Preguntas frecuentes
How often to recharge gas?
If well installed, never.
Worth replacing a 15-year split?
If it uses R-22, yes.
¿Prefieres que vayamos nosotros?
Diagnóstico y presupuesto en Sant Just Desvern normalmente el mismo día.
Pedir presupuesto gratis