The definitive version of energy-saving diagnostic software! Mandatory energy-saving regulations in 2025, insulation performance grades 5, 6, and 7, primary energy grades 7 and 8, compatible with ZEH and GX ZEH!
The "Energy Saving Diagnosis Expert" software allows for the calculation and evaluation of the energy-saving performance of residential buildings in accordance with the latest energy-saving laws for buildings. It is compatible with the Quality Assurance Act and the insulation performance grades 5, 6, and 7 for long-term excellent housing, as well as the 2025 energy-saving mandate (Building Energy Efficiency Act). It can perform calculations for exterior performance, including "average thermal transmittance rate (UA value)" and "average solar heat gain coefficient during the cooling period (ηAC value)," as well as primary energy consumption calculations, which can be used as a basis for various applications such as long-term excellent housing and certified low-carbon housing. By introducing passive design options, in addition to the above, you can comprehensively consider the thermal environment by utilizing "passive elements" such as sunlight, heat, and wind, which are natural energy sources. In addition to the basic performance of the home's insulation and equipment, various simulations are conducted using meteorological data from 836 locations nationwide. Inputting surrounding conditions that affect sunlight, such as neighboring buildings, site characteristics, and trees, is also easy, allowing for dynamic thermal load calculations and evaluations of utility costs and room temperatures.
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basic information
- Compliance with the 2025 Energy Conservation Obligation (Building Energy Efficiency Act) - Compliance with the Quality Housing Act and the insulation performance grades 5, 6, and 7 for long-term excellent housing - Compliance with primary energy consumption grades 7 and 8, ZEH, and GX ZEH - Automatic calculation of external surface area from simple CAD, significantly reducing time and errors - Simulation function for "Passive Design Options" to enhance persuasiveness when explaining energy-saving performance - "Room Temperature AI Advisor" that evaluates room temperature from the perspectives of "health" and "energy"
Price information
Standard Prices: Energy Efficiency Diagnosis Expert: ¥154,000 (including tax) Passive Design Option: ¥187,000 (including tax)
Price range
P3
Delivery Time
※Please contact us.
Applications/Examples of results
- Energy Conservation Law for Buildings (Envelope Performance UA Value, ηAC Value, Primary Energy Performance) - Insulation Performance Grade 5, 6, 7 - GX-oriented Housing - Room Temperature Simulation, Dynamic Thermal Load Calculation - Climate Analysis, Shadow, Sunlight Exposure, Sunshine Duration - Illuminance, Ventilation, Solar Power Generation - Room Temperature AI Advisor
Company information
As a venture company based in Tsukuba, we are engaged in the planning, development, and sales of the "Homuzu-kun" series, including the housing software "Homuzu-kun Seismic Diagnosis Pro." We have many customers using our products across the country. We also undertake contracts from nearby universities and research institutions in Tsukuba for the development of web systems, server construction, and maintenance management.





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