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Solar Thermal Water Heating FAQ's

See below our frequently asked questions about installing a solar thermal heating system in your home:

1. Can a solar thermal water heating system be used to replace a traditional gas heating system?

In order to ensure proper efficiency of your water heating system, a solar energy system must usually be used in conjunction with a traditional gas or electric heating system, rather than as an alternative to a traditional system. While it is possible to size a system to provide a 100% solution, the best return on investment occurs when a system is sized to provide most of the hot water, most of the time.


2. Do solar thermal heating systems produce hot water even in the winter?

Globe solar thermal heating systems will operate and produce hot water during the winter months but may require anti-freeze protection where applicable.


3. Do solar thermal heating systems produce hot water even it is a cloudy/overcast day?

Globe solar heating systems will provide water heating during cloudy or overcast days, but may require the use of traditional gas or electric heating system to produce required temperatures.


4. Is it possible to use a solar collector with my existing hot water system?

In most cases solar collectors can be used with an existing system by utilising a simple solar conversion valve that connects to your existing water tank.


5. What happens if one of the solar tubes or panels is broken?

The tubes and panels  are very strong and don’t break easily, but they can be replaced very easily should one break due to extreme conditions. They are inexpensive and available though Globe Solar. One advantage of evacuated tubes systems is that breakage from hail, for example, will typically disable only a single tube instead of an entire collector as would be the case with a flat plate design, the system will continue to produce hot water with one or even several broken tubes. There is no leakage from the system as a result of a broken tube.


6. What is the typical payback time of the solar thermal heating system?

Depending on factors including the location of the system, grants, insolation levels amount of solar radiation in that area and annual usage of the system, an average household of 4 can expect to redeem the cost of a solar thermal heating system within 2-3 years.


7. What is the life of the solar collector systems?

Globe solar thermal heating systems have a life expectancy of more than 20 years with a manufacturer's guarantee of 10 years.


8. Do Globe solar thermal heating systems require maintenance?

Globe solar recommend that an annual assessment of the solar system is recommended to help to maintain efficiency levels and to help avoid any potential long term problems with the solar thermal heating system.


9. If I order a solar thermal water heating system, what do I get?

All our units can be provided as a complete package system that include all the components required to install and operate the system, including the water storage heating tank/boiler.


10. How much does a globe solar thermal heating system cost?

A fully installed Globe solar thermal  heating system which can provide enough hot water for a family of four costs from £4500 although grants are available to help you with the costs.

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