断熱等級6でも家が暑い？エアコンをガンガンに回さなくてもいいコスパ最強の「断熱性能（UA値）」を徹底解説【新築・注文住宅】

For details and application for "Seyama-jirushi Construction," click here! https://be-enough.jp/seyama-jirushi/ Download tools such as the "Seyama Standards List" and "Real Financial Plan" here: https://be-enough.jp/tools/ [To Construction Companies] We are recruiting construction companies to participate in the "Seyama-jirushi Construction Project." Please see the following page and feel free to contact us. https://be-enough.jp/to_b/ ------------------------------------------------------- We introduce the most cost-effective insulation performance, avoiding the pitfalls of housing company sales pitches like "You can recoup the cost of higher insulation by saving on utility bills." To avoid wasting initial costs and achieve true comfort—cool in summer and warm in winter—we've compiled essential knowledge beyond the UA value that you absolutely must know. 00:00 Today's Topic: The Trap of Sales Pitches Regarding "Insulation Ratings" by Housing Companies 02:21 Basics of Insulation Ratings / Summary of HEAT20 Standards 03:48 Real-Life Experiences of Older Houses (Insulation Ratings 1-3) 05:12 Absolutely Avoid It!? The Reality of Insulation Rating 4 06:57 The Importance of Insulation Rating 5 and Airtightness Performance (C-value) 09:10 What is Insulation Rating 5.5? 11:12 Insulation Rating 6 (G2) 14:47 Insulation Rating 7 (G3) 15:26 What is the Just Right Insulation Rating? / Summary of the First Half 16:08 Introduction to the Seyama-jirushi Construction Project 17:51 What are the Important Factors Other Than Insulation Performance? 22:05 Summary #Insulation Rating #UA Value #Custom Homes #Seyama Construction ------------------------------------------- Subscribe to our channel here https://www.youtube.com/@seyama?sub_c... ------------------------------------------- Akira Seyama After graduating from the Department of Mathematics, School of Science and Engineering, University of Tsukuba (with a mathematics teacher's license), he worked for Japan's largest management and human resources consulting company, handling housing companies nationwide. Later, while serving as a branch manager for a mid-sized house builder, he questioned the negative aspects of the housing industry's culture and started his own business in 2019. He established BeEnough Co., Ltd. in 2021. With the theme of "A housing industry that is more customer-friendly," he is working to promote the "Seyama Construction Project (winner of the 2025 Good Design Award)," a system that prevents problems and allows homeowners to build their homes with peace of mind. The YouTube channel "Seyama University for Home Building" has gained popularity among homeowners nationwide for its stance of not pandering to the "dark side" of the industry, and has over 100,000 subscribers (as of September 2025). He is a father of four daughters. He is from Hiroshima Prefecture and is also a sponsor of the Hiroshima Toyo Carp baseball team. ------------------------------------------ ■ Home Building Information Media "BE ENOUGH" https://be-enough.jp/ ■ Official X https://x.com/seyaman39