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Air conditioner not cooling like before in Barcelona: causes and fix

Riesgo bajo · puedes intentarlo

Resumen rápido

Usually dirty filters or low refrigerant gas.

¿Qué está pasando?

The split cools by compressing refrigerant gas.

Causas más probables

  • Clogged filters

    alta

    Without seasonal cleaning, airflow halves.

  • Low refrigerant

    alta

    Slow leak over years.

  • Dirty outdoor unit

    media

    Lint or plants too close.

  • Wrong thermostat mode

    baja

    Make sure it's in cool mode.

Pasos de diagnóstico

  1. 1

    Clean the filters

    Remove filters and rinse.

  2. 2

    Check the outdoor unit

    Clear leaves and objects within 30 cm.

  3. 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 Barcelona

60220

Diagnosis and foam cleaning.

Contexto local · Barcelona

In Barcelona pre-summer maintenance is key.

Barcelona is the bulk of our work and demands judgement: Eixample is full of modernista buildings with 3 m+ ceilings, original gotelé render, electrics with no RCD and cast-iron stacks still in service — all of which stretch any refurb. Gràcia and Sant Antoni are dominated by 1930s–60s flats with hydraulic-tile floors we have to protect before touching walls. Ciutat Vella adds narrow building entrances and BCN ASIA façade rules, so we coordinate scaffolding and permits when needed. Sant Martí (22@) is another world: new-builds and offices converted to lofts that drag along under-sized electrical panels. The ZBE low-emission zone and AREA paid parking push us to load/unload early to keep costs down.

  • Comarca: Barcelonès
  • Población: 1.660.122 hab.
  • Parque de vivienda predominante: piso-eixample
  • Año medio de construcción: 1955
  • Códigos postales: 08001, 08002, 08003, 08004, 08005, 08006, 08007, 08008, 08009, 08010, 08011, 08012, 08013, 08014, 08015, 08016, 08017, 08018, 08019, 08020, 08021, 08022, 08023, 08024, 08025, 08026, 08027, 08028, 08029, 08030, 08031, 08032, 08033, 08034, 08035, 08036, 08037, 08038, 08039, 08040, 08041, 08042

Capital catalana con un parque de viviendas dominado por pisos del Eixample, fincas modernistas y bloques de los 60–70 en distritos como Sant Andreu o Nou Barris.

Preguntas frecuentes

How often to recharge gas?

If well installed, never.

Worth replacing a 15-year split?

If it uses R-22, yes.

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