1. Defendant B’s KRW 20 million and the Plaintiff’s 15% per annum from November 16, 2018 to May 31, 2019.

1. Basic facts

A. The Plaintiff is a person who sells solar boilers with the trade name E and sells solar boilers.

B. On October 24, 2017, the Plaintiff entered into a solar boiler construction contract with Defendant B, solar energy 5kw, sales and installation costs 20 million won for 3RT through her husband F, and installation costs to financial institutions. (2) On November 14, 2017, the Plaintiff entered into a solar boiler construction contract with Defendant D and solar energy 3kW boiler with its husband F to pay the installation costs to Defendant D and solar energy 3kWR, and installation costs to financial institutions.

3) The Defendants used the solar power for heating and hot water supply prior to the conclusion of the above contract with the Plaintiff, but the Plaintiff publicizeds the solar boiler on the ground that “if using solar boiler, heating costs are reduced compared to the core power,” and the Plaintiff stated that “In the form of solar boiler installation contract between the Plaintiff and Defendant D, there is no dispute, and two pages (G and the Plaintiff’s relation) of the pleading record dated May 16, 2019.” Accordingly, the Defendants concluded a solar boiler construction contract with the Plaintiff on the ground that “this agreement between the Plaintiff and Defendant D is removed at an efficient rate exceeding 50% of the present electricity volume.”

(A) 5 When the Plaintiff installs a solar boiler in the instant lawsuit, it is used as heating electricity and housing electricity excluding approximately KRW 20,000 for hot water supply out of the core power, which is set up by solar energy, for the installation of a solar boiler. As such, most of the core electricity is reduced.

The installation of solar boiler is not a use of the core power for heating, so the electricity fee for the winter bar can be somewhat high.