solar water heater cost
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Analyzing Solar Water Heater Cost
Any type of solar panel water heater is an investment. You have to factor in the input vs the output that you will get from your investment.
You need to be aware of the solar water heater cost before making any purchasing decision.
The cost can entail the solar water heater price in China and as well as the solar water heater maintenance cost.
Under normal circumstances, the price of a solar water heater will depend on its type. Some are more expensive than others.
Evacuated tube collector is pricier than flat plate collector. On the other hand, the cost of active solar water heater is higher than that of passive solar water heater.
The specifications will also determine the final price of the solar water heating system.
These details include the capacity of the collector, power rating, the materials used among others.
What about the solar water heater manufacturers?
Manufacturers and suppliers will also determine the prices of the solar water heaters.
Some manufacturers are cheap while others are expensive. It is up to you to choose the best solar water heater manufacturer in China- a manufacturer that who you will afford.
There are several ways of knowing the prices of solar water heaters. Apart from directly contacting the manufacturers and suppliers, you can also use a solar water heater calculator.
What is the cost of installing a solar water heater? You should also consider it when calculating the cost of this hot water heater system.
You should also consider other components that make up a complete solar water heater.
The table below gives an example of the cost of solar water heater calculation.
| Element | Cost | Calculation |
| Solar collector panels | $18000 | 10×4.5㎡×$400/㎡ |
| Solar storage tank | $5000 | 1000-al tank |
| Roof mounting system | $2700 | 15% of the panel cost |
| Piping and plumbing | $2000 | |
| Labor | $4600 |
Source Researchgate
| Component |
Materials & Specifications
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Evacuated Tubes
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Material: Borosilicate 3.3
Tube style: Twin wall all glass
Dimensions: ∅58mm outer tube; ∅47mm inner tube; 1.8m length, 1.65mm outer tube wall thickness
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Solar Absorber Coating
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Material: Graded AL/N on AL
Absorptance: >92% (AM1.5);
Emittance: <8% (80 C)
Vacuum: P<5×10-5 Pa;
Heat loss: <0.8W/(m2 C)
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Manifold
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Outer Shell: Color Painted steel (standard) or Stainless Steel (optional) , 0.5mm thickness
Inner Shell: Stainless Steel 304-2B (standard) or 316L (optional) , 0.5mm thickness
Insulation Layer: Extreme High density Polyurethane Foam from Europe
Operating angle: 15-80 Degrees
Startup temperature: 0 C Degrees
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Rubber Components
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Material: HTV Silicone Rubber (UV stabilized)
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Mounting Frame
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Material: Zinc-Coated Galvanized Steel (standard) or Aluminum ally (optional) or Stainless Steel (optional)
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