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Water Purification and Water Heating Systems Installation by ClimaEco
A comfortable microclimate in the home is not only about air temperature but also water quality. In Alicante, Benidorm, and Gandía, the problem of hard water and limescale deposits is particularly acute. ClimaEco specialists with 5 years of experience have prepared a guide for selecting and calculating water treatment and water heating systems for your home.
Important: Water hardness in the province of Alicante is one of the highest in Spain — up to 60-80 °f (French degrees). This leads to rapid failure of water heaters, washing machines, and heating boilers. A water softening system pays for itself in 2-3 years by extending the service life of appliances.
Water Purification Systems: What to Choose?
Depending on the raw water analysis and your tasks, ClimaEco engineers offer the following solutions:
- Water softening systems (descalcificadores): Remove hardness salts, preventing scale formation in pipes, water heaters, and boilers. Recommended for all homes in the region. Capacity calculation: for a family of 3-4 people in a 150-200 m² house, a softener with a capacity of 1.5-2 m³/hour is required.
- Reverse osmosis systems (ósmosis inversa): Installed under the sink and provide ideally clean drinking water. Remove up to 99% of impurities, nitrates, heavy metals. Standard system capacity is 100-150 liters per day, which is enough for a family.
- Coarse and fine filters (filtros de sedimentos y carbón): Trap sand, rust, chlorine. Necessary as a preliminary stage to protect plumbing and household appliances.
Water Heating: Underfloor Heating and Radiators
Water heating (calefacción por agua) remains the most popular and economical solution for private homes in Spain. Modern systems allow not only heating rooms but also connecting towel warmers and even swimming pools.
Underfloor Water Heating (suelo radiante)
The "warm floor" system is an ideal solution for new buildings and major renovations. Hot water circulates through pipes laid in the floor screed, evenly heating the room from bottom to top. The coolant temperature is only 30-45°C, making the system ideal for operation with heat pumps or condensing boilers. Installation cost in Spain ranges from €55 to €75 per m² for new homes.
Radiator Heating (radiadores)
A classic solution for replacing old systems or installing in already finished homes. Modern aluminum or steel panel radiators have high heat output and an aesthetic design. Calculation of the number of sections depends on the room volume and heat loss.
Hybrid Solutions: Integration with Solar Panels
Solar thermal collectors (captadores solares) heat water directly from the sun and can provide up to 70% of the domestic hot water (ACS) needs even in winter. They are ideally combined with water heating systems, especially underfloor heating. In summer, the boiler can be completely switched off. In Spain, subsidies are available for installing such systems, which can cover up to 40% of the costs.
Additional Factors
| Factor | ClimaEco Recommendation |
|---|---|
| Water analysis | A mandatory first step. Free water analysis when calling our engineer. |
| Pipe material | For underfloor heating, we only use cross-linked polyethylene (PEX) with an anti-oxygen barrier. Service life — more than 50 years. |
| Insulation | High-quality insulation is mandatory under the warm floor. This reduces downward heat loss by 30% and saves up to 20% energy. |
| Boilers | Condensing gas boilers are the most economical option for Spain. Modern models (e.g., Ariston) have efficiency up to 108% and are suitable for operation with low-temperature circuits. |
Professional ClimaEco Approach
Self-calculation is only the first step. Our engineer visits the property and conducts:
- Professional water sampling and analysis (determination of hardness, pH, chlorine content, nitrates).
- Thermal calculation of the building to determine the exact heating capacity considering the climate zone, wall materials, glazing.
- Development of a hydraulic scheme with optimal placement of manifolds and radiators.
- Preparation of documentation for obtaining subsidies (up to 40% of the cost) for installing solar thermal systems and heat pumps.
Types of Equipment
- Water softeners (descalcificadores): Automatic systems with a salt tank. Require salt refilling once a month. Capacity: from 1 to 4 m³/hour.
- Reverse osmosis systems (ósmosis): Compact installations under the sink. Modern models with tank or direct flow.
- Condensing gas boilers (calderas de condensación): Maximum efficiency and gas savings. Ideal for underfloor heating.
- Heat pumps (aerotermia): Use air energy for heating and domestic hot water. The most environmentally friendly option. Payback in 5-7 years.
- Manifold groups (colectores): The heart of underfloor heating. Provide water distribution across circuits and precise temperature control.
ClimaEco has been helping residents of Alicante, Benidorm, and Gandía create comfortable and economical water supply and heating systems for over 5 years. We are official partners of leading manufacturers and will help you process all necessary subsidies.