V-Glass, INC

V-Glass, INC is a climate tech company in Pewaukee, United States, founded in 2016. It has raised $6.9M across 5 rounds, most recently a $3.0M Seed in March 2026.

Warm windows, warm home.

Employees
1–10
Founded
2016
Business Model
B2B
Total Funding
$6.9M
Last Round
$3.0M SeedMar 2026
Rounds
5

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 5 funding rounds and 2 investors for this company. The full record is or through the API.

About

V-Glass develops affordable vacuum insulated glazing (VIG) technology for ultra-high efficiency windows, delivering 3x the thermal performance of conventional argon-filled windows at comparable manufacturing cost. Its thin, flat-vacuum sealed glass panels eliminate conduction and convection heat loss, helping buildings meet increasingly stringent Energy Star standards.

Summary

It lists 1–10 employees. It has raised $6.9M in total across 5 rounds, most recently a $3.0M Seed round in Mar 2026. Investors include The Grantham Foundation and Advanced Research Projects Agency-Energy (ARPA-E).

Tech & App Stack

10 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Data from Indexed.vcUpdated
SeedSeed RoundMar 2026
$3.0M

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Funding: Grant through Seed. Amounts, valuations, and investors where available.

Investors

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