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Ventilation Startups

Updated July 2026

Companies in the ventilation sector developing innovative solutions and technologies.

Explore 109 recently funded ventilation companies with verified founder contact information and fundraising data.

Total Companies
109
Total Funding
$343.0M
Avg Funding
$13.7M
Global Reach
12
countries

Top Cities for Ventilation

Woerdense Verlaat
Portland
São Paulo
Redwood City
Brooklyn
Leeds

Recently Funded Companies

Export
Woerdense Verlaat, The Netherlands

HeatTransformers provides a digital platform intended to install hybrid heat pumps.

$16.4M raised
Apr 2023

Founder Contacts

30,000+ verified contacts

Portland, United States

We democratize Facility Management for Priority Populations.

Jan 2023

Founder Contacts

30,000+ verified contacts

São Paulo, Brazil

Digital transformation for the operation and maintenance of refrigeration and air conditioning systems.

$2.2M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Redwood City, United States

Quilt provides a home climate system featuring ductless heat pumps, room controls, and smart-home software for heating and cooling.

$20.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

Frio is a developer of the next generation of heat trace controllers for building and HVAC systems.

$1.7M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Leeds, United Kingdom

BOXT is an online platform that offers boilers, air conditioning, and electric vehicle chargers.

$22.5M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Brookfield, United States

Distribution Depot is an AI-powered eCommerce platform for the professional trades, including HVAC, plumbing, electrical, and more.

$954K raised
Jan 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

A refreshingly thoughtful air purifier

$10.0M raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Boston, United States

Forge is a contractor that delivers heat pump installation services.

$17.0M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Done is the operating system for green energy installations - EV Chargers, Battery storage and Heat pumps.

$674K raised
Dec 2022

Founder Contacts

30,000+ verified contacts

North Vancouver, Canada

Jetson Home focused on residential electrification, replacing gas furnaces with all-electric heat pump systems like Jetson Air product.

$50.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

ambient works is an IoT company developing air quality trackers and monitoring devices that can be operated via an app built with AI.

$332K raised
Jan 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

FLUIX is an Enterprise AI CoPilot that saves critical buildings such as data centers up to 40% in energy costs.

$20K raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

Developing new generation mobile controller solutions for air conditioners and heat pumps

$377K raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Baar, Switzerland

enshift is a partner for energy transformations of large investment properties.

$21.2M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Phoenix, United States

Kelso Industries is a conglomeration of market-leading companies and their executives who offer comprehensive HVAC, and plumbing services.

$50.0M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Seoul, South Korea

Fabric Duct is an HVAC specialist with the technology to design airflow control and airflow through CFD and precision flow analysis.

$339K raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Accelerating the decarbonization of homes by removing friction in the transition to heat pumps.

$589K raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Saint-cyr-l'ecole, France

Arkeon Energy Systems develops hermodynamic cycles and thermal stages to meet heating, air conditioning, and electricity needs.

$6.0M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

New York, United States

Granite Comfort invests in and partners with established, market-leading HVAC contractors.

Nov 2024

Founder Contacts

30,000+ verified contacts

Las Vegas, United States

Promethium provides commercial HVAC air purification systems.

$285K raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Bethesda, United States

Service 1st Financial offers a worry-free home comfort solution for HVAC systems.

$15.0M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Deurne, Belgium

Hysopt is a software company that offers HVAC simulation and calculation software to improve a building's heating and cooling installations.

$5.5M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Oslo, Norway

Hafslund Oslo Celsio produce and distribute district heating and district cooling in Greater Oslo.

$99.8M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Onsite Pro (by Greenwork) is enabling the construction work that's tackling the climate crisis

$2.3M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

Showing 76 to 100 of 109 companies

About the Ventilation Startup Ecosystem

The ventilation sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Ventilation

Ventilation companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The ventilation sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Ventilation Funding Breakdown

Here is how funding is distributed among the 109 ventilation companies tracked in the VCBacked database.

Average Funding
$13.7M
Total Funding Tracked
$343.0M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Ventilation

1.San Francisco
3 companies$12.3M
2.Stockholm
2 companies$1.3M
3.Woerdense Verlaat
1 companies$16.4M
4.Portland
1 companiesUndisclosed
5.São Paulo
1 companies$2.2M

Related Industries

Companies in the ventilation sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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109 Ventilation Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked