Solar Cylinders vs Sunamp Thermino Thermal Battery: A Comparison for Solar PV Users

Choosing the right hot water storage solution for your solar PV system is crucial for maximizing efficiency and cost savings. Here's a breakdown of two popular options:

1. Solar Unvented Cylinders:

• Traditional hot water storage: Cylinders are tanks that store heated water, typically using an immersion heater powered by your solar PV system.
• Pros:
  • Familiar technology: Well-understood and readily available.
  • Lower upfront cost: Generally cheaper than Sunamp Thermino batteries.
  • Multiple size options: Choose a cylinder that fits your household's hot water needs.
• Cons:
  • Significant heat loss: Water loses heat over time, reducing efficiency.
  • Requires regular maintenance: Annual servicing needed to prevent issues.
  • Limited space-saving options: Can be bulky, especially for larger capacities.

Check our Solar Unvented Cylinder Range 

2. Sunamp Thermino Thermal:

• Innovative heat battery: Uses a phase change material (Plentigrade) to store heat more efficiently than water.
• Pros:
  • Superior insulation: Significantly lower heat loss compared to cylinders.
  • Reduced maintenance: No annual servicing required.
  • Compact size: Can fit in smaller spaces than equivalent-capacity cylinders.
  • Multiple energy sources: Compatible with solar PV, heat pumps, and grid electricity.
• Cons:
  • Higher upfront cost: More expensive than traditional cylinders.
  • Limited availability: Not as widely installed as cylinders yet.
  • Newer technology: Less user experience and data compared to cylinders.

Check our Sunamp PV Ready Range

Choosing the Right Option:

• Space constraints: Thermino batteries are ideal if space is limited.
• Efficiency: Thermino offers superior heat retention, leading to lower energy consumption.
• Budget: Cylinders are generally cheaper upfront, but Thermino's lower maintenance and efficiency can save money in the long run.
• Future-proofing: Thermino is compatible with various energy sources, making it a more versatile option.

Ultimately, the best choice depends on your individual needs and priorities. Consider factors like budget, available space, and your long-term energy goals.