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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 225 τριπλής ενέργειας HF MAXIMUM MPK 225 ΤΕ / 3,00
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 225 διπλής ενέργειας HF MAXIMUM MPK 225 ΔΕ / 3,00
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 175 τριπλής ενέργειας HF MAXIMUM MPK 175 ΤΕ / 2,37
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 175 διπλής ενέργειας HF MAXIMUM MPK 175 ΔΕ / 2,37
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 150 τριπλής ενέργειας HF MAXIMUM MPK 150 ΤΕ / 2,00
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 150 διπλής ενέργειας HF MAXIMUM MPK 150 ΔΕ / 2,00
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 125 τριπλής ενέργειας HF MAXIMUM MPK 125 ΤΕ / 1,82
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Ηλιακός Θερμοσίφωνας ΗΛΙΟΦΑΝ ECO-GL PLUS 125 διπλής ενέργειας HF MAXIMUM MPK 125 ΔΕ / 1,82
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AGELOPOULOS GROUP leads in renewable energy, delivering trusted solutions in solar, heating, cooling, and clean water — with care and responsibility for every home.
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Solar Water Heater Subsidy: What Applies and How to Choose Correctly
A complete guide to solar water heater subsidy programs, eligibility criteria, eligible equipment, and key points to consider for making the right system choice.
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Πώς να Επιλέξετε τον Σωστό Ηλιακό Θερμοσίφωνα – Ο Πλήρης Τεχνικός Οδηγός από την ΗΛΙΟΦΑΝ – Agelopoulos Group
How to Choose the Right Solar Water Heater The Complete Technical Guide by ΗΛΙΟΦΑΝ – Agelopoulos Group | solars.gr Choosing a solar water heater is not a simple decision. When done correctly, it ensures decades of energy savings, excellent performance, and zero operational issues. When done wrong, it results in reduced efficiency, frequent failures, increased electricity consumption, and premature replacement. With rising energy costs and stricter efficiency requirements, consumers need a clear, technically reliable guide to making an informed decision. And now, with new government subsidy programs expanding, selecting the correct system is more valuable than ever. When the final purchase price is subsidized, the user can choose a much higher-quality system with superior performance and long-term reliability. In simple terms: the subsidy covers the cost — the correct technical choice ensures the performance for decades. 1. Selecting the Proper CAPACITY – What size system do you actually need? The biggest myth is that "bigger is better." This is only partially true. The CAPACITY must match the household's real usage profile. 125 liters → 1–2 people 150 liters → 2–3 people 175 liters → 3–4 people 225 liters → 4–6 people (houses / Airbnb) A larger system requires more energy to heat up. A smaller system fails to meet demand and forces the user to rely on the electric immersion heater. 2. The Heart of the System: The Solar Collector (80% of the performance) Most consumers focus only on the boiler. This is a mistake. The collector is the true "energy generator" of any solar system. The 5 elements that define a high-quality collector: Active area ≥ 2.00–2.40 m² Absorptance > 94% Emissivity < 8% High-density rear insulation Absolute moisture-free sealing The collector determines how quickly the water heats up, how much energy is retained, how the system performs during winter, and how much less electricity the user will consume. A weak collector forces the user to heat water using electricity. 3. Solar Keymark – The only certificate that truly matters Solar Keymark provides collector performance per m², system energy classification, thermal behavior, and comparable metrics across all European manufacturers. ΗΛΙΟΦΑΝ – Agelopoulos Group bases all its technical specifications on measurable, certified data. 4. Boiler – The component that defines the lifespan The boiler is the "durability core" of the system. A truly high-quality storage tank includes: Uniform steel thickness Precision linear welding Excellent sealing High-density insulation Replaceable magnesium anode High-quality electric element Strong anti-corrosion protection Poor-quality boilers swell, leak, and degrade over time. 5. Insulation – The critical factor for winter performance High-quality insulation allows the boiler to: retain heat for many hours dramatically reduce night-time heat losses perform better during cloudy days minimize electricity usage 6. Warranty – When is a warranty real and when is it just marketing? A real warranty requires high-quality materials, consistent production, strict quality control, and a supplier capable of supporting the system for decades. The ΗΛΙΟΦΑΝ TITANIUM EXTRA PLUS series offers: True, written lifetime warranty Registered trademark since 2007 (D191792) 7. Maintenance – The most underestimated but essential factor Proper maintenance includes: Propylene glycol replacement Magnesium anode replacement Pressure checks Leak and sealing inspection Tank cleaning Replacement of the electric heating element when required 8. Conclusion – What defines a truly high-quality solar water heater? A correctly selected solar system must deliver high performance, consistent quality, long lifespan, real warranty, and technical reliability. The formula: Performance + Durability + Maintenance This is the foundation of ΗΛΙΟΦΑΝ – Agelopoulos Group and the reason our systems are considered a multi-decade investment.
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What "Lifetime Warranty" Really Means for a Solar Water Heater – Technical and Economic Perspective
Discover what lifetime warranty really means for solar water heaters. Learn about the technical specifications, quality materials, and maintenance requirements that make decades-long performance possible. HELIOFAN TITANIUM EXTRA PLUS offers genuine written lifetime warranty on storage tanks and collectors—backed by proven expertise since 2007.
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