If the radiator continues to heat poorly after bleeding, there are other, more serious potential causes. Sludge accumulation is the primary one. Over the years, the water in the heating circuit generates oxides and mineral deposits that settle in the radiators, especially at the bottom. This sludge reduces the effective water flow area and creates cold spots. The solution is a chemical flush of the entire circuit with a specific descaling product, introduced with the boiler turned off, circulated for a few hours. It's completely drained before refilling with new water treated with a corrosion inhibitor. Call us, text us on WhatsApp, or request your quote online – we'll reply in under 10 minutes during business hours. After an initial assessment, the technician will provide you with a written, fixed quote detailing labour, materials, and VAT. We only begin work once you approve it. The agreed price will not change unless a different issue arises that requires your authorisation.

For apartments with a centralised community boiler, the combination of thermostatic radiator valves (TRVs) and individual consumption meters allows you to pay precisely for the heating consumed by each dwelling. This is far fairer than proportional distribution by surface area used when meters are absent. This is a mandatory upgrade in many communities due to European regulations. A highly cost-effective upgrade is installing TRVs on each radiator. Each room has its own independent temperature control, allowing different temperatures based on use (e.g., warmer living room when occupied, cooler guest room when unused) and saving energy without sacrificing comfort. Installation is straightforward when radiators already have conventional valves: we replace the manual head with a thermostatic one. The second common cause is a stuck or faulty thermostat valve. Modern valves with thermostatic heads have an internal pin that can seize after months of disuse (which happens every summer in the Costa Blanca area when the heating isn't used). To prevent this, it's advisable to move the TRVs to their maximum and minimum settings every couple of months during the low season. If the valve is stuck, the head is removed, the pin is freed with a very gentle tap, or the entire valve is replaced.

Low-water content aluminium radiators are the most efficient for most modern installations. They heat up and cool down quickly, allowing precise hourly programming without compromising comfort. Tubular panel steel radiators are a common alternative with good value for money. For bathrooms, we recommend towel rail radiators that combine room heating with towel drying. Boilers\\ \\ Installation and repair of gas and electric boilers. Radiators\\ \\ Replacement, bleeding, and repair of radiators. Underfloor heating\\ \\ Electric and water underfloor heating for renovations. Heating repairs\\ \\ Repair of heating faults on any brand. Heating maintenance\\ \\ Mandatory annual maintenance and certification. Thermostats\\ \\ Programmable and smartphone-connected thermostats. Manufacturer's official warranty (5-7 years) plus our coverage on labour.

The price for annual maintenance in La Prosperitat typically ranges between €160 and €4165. The final amount depends on the property's condition, materials, and labour time. We always provide a fixed quote before starting. We give you a fixed quote before starting the work, with no hidden charges or surprises on your bill. Select the service you need for more details and to request a quote.