The value of additional capital is actually the total value of all short-term that has an added value to your house. This includes many cost savings from lower water usage, reduce the use of chemicals, lower cleaning costs, and lowering the cost u caof heating water. Yon also place a value on the swimming-pool cleaning and maintenance of the pool cover when you save. You can find more about heated pool enclosure online.
Now if you put a monetary estimate on each savings and additional values over the estimated period of your cover, you will find that the capital value of your enclosure is large enough for the extra value of your home. Not only that but, as the cover you have to extend the lifetime of a good quality swimming pool, stables you really have the capacity to provide additional capital to the value of the pool, too.
Of course, the values involved for you will depend to some extent on the specifics of your situation, such as the location of your property. For example, several swimming pools are located in areas with lots of trees or strong winds and cage cleaning cost savings will likely be higher in these areas than in some others.