[Download] Home Energy Conservation 2026 Campaign Fastest Guide

Updated: July 2026, 1

Following the Cabinet decision on the FY2025 supplementary budget, it has been decided that the large-scale subsidy project, which is a collaboration between the three ministries, will continue into 2026.
This campaign, with a total value of over 2,800 billion yen, is a great opportunity to enhance our proposal capabilities to customers and maximize orders.

However, in the 2026 editionChange in definition of "commencement of construction" (change to foundation work)AndReview of subsidy unit pricesThere are many important changes that differ from previous rules, such as:

✅Key findings from this document

• Total amount of over 280 billion yen - Four pillars: Overall picture and budget allocation for projects such as "Future Eco Housing" and "Advanced Window Renovation."
• [Caution] Important changes to the system: Changes to the start date for new construction, expansion of eligibility for window renovations, and changes to the amount of subsidy for water heaters.
• Important dates for "first move wins": Application deadlines and order strategies for "ZEH standard housing," which is expected to run out quickly.
• Know-how based on a track record of over 3 cases: A process that streamlines tedious administrative work and ensures that subsidies are obtained without any issues.

*This document is based on information up to early December 2025.