# Trellis Air: Heating, Somerville, United States

> Trellis Air: Trellis Air is making commercially viable membrane-based dehumidifiers. Based in Somerville, United States.

Source: https://millionrounds.com/startup/trellis-air (Millionrounds; every figure on the page links to its filing or article)

United States · [Heating startup](https://millionrounds.com/companies)

# Trellis Air

Trellis Air is making commercially viable membrane-based dehumidifiers.

Funding reported Last round: Seed

Heating Somerville, United States

Company summary

- **Founded:** - not reported
- **Team:** - not reported
- **Funding reported:** $6.6M in dollars
- **Last round:** Seed date not reported

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Trellis Air has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## What company datasets say Trellis Air raised

Funding, as reported

Reported in all **$6.6M** in dollars

Last round **Seed**

Investors listed **3**

SEC Form D **$6.6M sold, 1 filing, last Mar 2025**

## On a portfolio page

Investors who name them

- [Workshop Venture Partners](https://millionrounds.com/fund/workshop-venture-partners)

Each firm lists Trellis Air on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## Heating in United States

Startups like it

- [**CoolSys** Brea · founded 2015](https://millionrounds.com/startup/coolsys)
- [**Kelso Industries** Phoenix · founded 2021](https://millionrounds.com/startup/kelso-industries)
- [**Onsite Pro** San Francisco · founded 2021](https://millionrounds.com/startup/onsite-pro)
- [**Pacific 6 Innovations** Vancouver · founded 2022](https://millionrounds.com/startup/pacific-6-innovations)
- [**MJ Mechanical Services** Plainfield · founded 1977](https://millionrounds.com/startup/mj-mechanical-services)
- [**RedAlign** Birmingham · founded 2020](https://millionrounds.com/startup/redalign)
- [**Enhanced Mechanical Contracting** Acton · founded 2023](https://millionrounds.com/startup/enhanced-mechanical-contracting)
- [**DegreeOne Solutions** West Melbourne · founded 2017](https://millionrounds.com/startup/degreeone-solutions)

## Is this your company?

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