Ekotrope
Boston, US · Founded 2010 · Delaware corporation
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Ekotrope develops RESNET-accredited RATER software for calculating home energy ratings (HERS) and supporting other building standards, using a proprietary hourly energy algorithm to automate the energy modeling process from take-offs to submission. It serves energy raters, program managers, and utilities in the U.S. residential construction market.
Founders & leadership
Ekotrope was founded in 2010 by Ziv Rozenblum.

Board
Reported raises · per SEC filings
Form D private placements$13M disclosed across 3 rounds · 2014–2025
▶$11MraisedOct 2025 · 1 investors · Other TechnologyRule 506(b)
- Ziv RozenblumExecutive Officer, Director
- Kenneth LazarusDirector
- Mark JohnsonDirector
- Edward CrawleyDirector
- Galen NelsonDirector
- Offering amount
- $11M
- Amount sold
- $11M
- Proceeds to insiders
- $2.2M
- First sale
- Oct 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$617.8KraisedMay 2017 · 16 investors · Other TechnologyRule 506(b)
- Emil MamedovDirector
- Ziv RozenblumExecutive Officer, Director
- Edward CrawleyDirector
- Alexander TurkotDirector
- Kenneth LazarusDirector
- Offering amount
- $1M
- Amount sold
- $617.8K
- First sale
- Apr 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.4MraisedDec 2014 · 16 investors · Other TechnologyRule 506(b)
- Edward F. CrawleyExecutive Officer, Director
- Ziv RozenblumExecutive Officer, Director
- Kenneth LazarusDirector
- Offering amount
- $1.6M
- Amount sold
- $1.4M
- First sale
- Oct 2014
- Incorporated
- Corporation, Delaware, 2010
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 2
Companies working in the same space as Ekotrope.
In the news
Frequently asked questions
- What does Ekotrope do?
- Ekotrope develops RESNET-accredited RATER software for calculating home energy ratings (HERS) and supporting other building standards, using a proprietary hourly energy algorithm to automate the energy modeling process from take-offs to submission. It serves energy raters, program managers, and utilities in the U.S. residential construction market.
- Who founded Ekotrope?
- Ekotrope was founded by Ziv Rozenblum in 2010.
- How much funding has Ekotrope raised?
- Ekotrope has disclosed $13M raised across 3 rounds.
- Where is Ekotrope headquartered?
- Ekotrope is headquartered in Boston, US.

