Climate TechResidential Retrofit
Hanok Energy Retrofit
Modular insulation and heat-pump kits designed for traditional Korean courtyard homes, sold with subsidized financing and municipal rebate paperwork automation.
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From the company & coverage
Photos pulled from the operator’s official website and reliable media covering this business — one to nine images, relevance-checked.
8 photos
- (i) Idea name
- Hanok Energy Retrofit
- (ii) Full description
Modular insulation and heat-pump kits designed for traditional Korean courtyard homes, sold with subsidized financing and municipal rebate paperwork automation.
How it makes money: Kit margin + installation partner take-rate + SaaS for rebate filing sold to contractors.
- (iii) Team location
- South Korea · Seoul
- (iv) Team size
- 13 people
- (v) Industry
- Climate Tech
- (vi) Sector
- Residential Retrofit
- (vii) Fundraising secured?
- Yes — Series A · $14.0MKorean green-bank co-invest
- (viii) Official website
- heattransformers.com
- (ix) Official socials
- (x) Go-forward play
Franchise in your city / country
Franchise install crews in secondary Korean cities first, then adapt kits for Japanese wooden stock.
South Korea · SeoulSource seed:kr-climate-rounds · scanned 10/18/2026, 8:00:00 AM
Related coverage
Articles from data sources
Specific articles from the desks covering this market—images are pulled from each article and shown here so you can skim without leaving VentureScan.
TechCrunchEnergy X secures $20M at $120M valuation to slash building sector emissionsEnergy X, a Seoul-based construction platform for zero-energy buildings, secured a $20.3 million Series B at a valuation of $120 million.Open full article →
TechCrunchHeatTransformers turns up the dial on heat pumps with new fundingThe Netherlands has banned central heating boilers and incentivized heat pumps. HeatTransformers just a raised €15M to go heavy on the (proverbial) gas.Open full article →
TechCrunchLun is in a mad rush to help heat-pump installers decarbonize homesLun, a climate tech startup out of Denmark, is on a mission to help homes decarbonize fast -- starting with household heating.Open full article →