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Eco Jozu - Tokyo Gas Showroom |
Over to Tokyo Gas, we were able to get answers to a lot of our questions. An assistant took us through the various energy saving/ reuse options, EneFarm, EcoWill and EcoJozu. We had already ruled out the first two systems, due to their prohibitive cost, but we were interested in EcoJozu to help us save on energy in the long run. The initial cost of installing EcoJozu instead of the regular water heating system, will be recovered within a few years, and our annual savings will be higher.
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Radiant Heated Floor Types |
To get a feel for the warmth emanating from radiant floor heating, Tokyo Gas set up 3 sample rooms: the first room we walked in was maintained at 5 degrees, the second was heated with air conditioners, and the 3rd with radiant floor-heating. We immediately noticed how comfortable that 3rd room was as compared to the one heated with forced air. The heat with this type of heating moves upwards instead of stagnating on the floor. We then and there decided to install radiant floor heating (yuka danbo) on the 1F, in the dining room area, the studio and the living room study areas.
Of course, just in case, we'll install air conditioners, but we are hoping to use them only in the summer time. Another healthy way to heat rooms is to use gas stoves, but we decided against them because we would need to use up precious ans scarce storage space to store them in summer plus we'd need some air conditioners anyway!
So our needs for gas will now be restricted to water heating, as we will use electricity in the kitchen. In order to cover our hot water needs in the bathroom and the floors, we will have to get a more powerful EcoJozu unit. The price for that kind of unit is quite a bit more expensive, but we think that in the long run it will be worth it and we will be more comfortable.