24 Best Hvac Startups to Watch in 2025

The Definitive Seedtable Ranking of Hvac Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 24 start-ups with an aggregate funding of $373.7m. The average funding per company in this subset is $15.6m.

Last update to the database: Feb 18, 2025. See changelog.

Track over 71,000 companies

Discover
Fast-growing Global startups

Seedtable uses technology and people to track over 71,000 companies to help you find the right ones to partner with.

Pricing + Sign up
75F logo

75F

75F is a Bloomington, Minnesota-based technology company offering an Internet of Things (IoT) building automation system for HVAC, lighting, and equipment control.

5

Funding Rounds

$69.9m

Money raised

Interplay Learning logo

Interplay Learning

A company offering online trade education through mobile, desktop, and virtual reality applications.

5

Funding Rounds

$49.6m

Money raised

Infraspeak logo

Infraspeak

Intelligent maintenance management platform.

5

Funding Rounds

$42.5m

Money raised

Roby logo

Roby

Roby is an internal helpdesk ticketing system for employees.

4

Funding Rounds

$2.9m

Money raised

Convex logo

Convex

Convex Group is a specialty insurer and reinsurer focused on complex risks, claims and underwriting across a wide range of business. It offers risk solutions for marine, equine, aerospace, casualty, crisis management, energy, property, accident & health and political risk & credit.

1

Funding Rounds

$39.0m

Money raised

LearnMetrics logo

LearnMetrics

LearnMetrics is a company founded in 2012 by Julian Miller, Matt Duch and Brian Dellabetta.

1

Funding Rounds

$100.0k

Money raised

FilterEasy logo

FilterEasy

FilterEasy is a United States-based company founded by Thad Tarkington, Kevin Barry and Thaddeus Tarkington.

2

Funding Rounds

$13.8m

Money raised

enVerid logo

enVerid

enVerid is a Westwood, Massachusetts-based manufacturer of HVAC control systems increasing energy efficiency for commercial buildings.

4

Funding Rounds

$44.7m

Money raised

BrainBox AI logo

BrainBox AI

BrainBox AI is a Montreal-based artificial intelligence supported HVAC management company.

1

Funding Rounds

$12.0m

Money raised

Chilldyne logo

Chilldyne

Chilldyne markets and sells a liquid cooling system that cools data center servers.

1

Funding Rounds

$2.7m

Money raised

SkyCool Systems logo

SkyCool Systems

SkyCool Systems is a company founded by Aaswath Raman.

3

Funding Rounds

$990.0k

Money raised

Hysopt Nv - Hydronic System Optimisation logo

Hysopt Nv - Hydronic System Optimisation

Software helping building managers optimize heating and cooling systems.

1

Funding Rounds

$5.5m

Money raised

SmartAC.com logo

SmartAC.com

SmartAC.com is an Houston-based company founded in 2018 by Josh Teekell.

1

Funding Rounds

$10.0m

Money raised

Mistbox logo

Mistbox

The Mistbox control unit is a smart device that monitors the operation of an AC unit.

1

Funding Rounds

$3.0m

Money raised

STAC Technology  logo

STAC Technology

STAC Technology is a company founded by Poul Bohn Christoffersen.

6

Funding Rounds

$1.4m

Money raised

Nelumbo (company) logo

Nelumbo (company)

Nelumbo is an Hayward, California-based company founded in 2005 by Liam Berryman.

1

Funding Rounds

$14.0m

Money raised

SHM Controls logo

SHM Controls

SHM Controls is a company founded in 2015 by Oded Malky.

1

Funding Rounds

$800.0k

Money raised

SenZopt Technologies logo

SenZopt Technologies

SenZopt Technologies is a Bangalore-based company founded in 2015 by Satya Gupta.

1

Funding Rounds

TZOA logo

TZOA

TZOA is a Vancouver-based company founded in 2014 by Kevin R. Hart.

3

Funding Rounds

$205.0k

Money raised

FieldPulse logo

FieldPulse

FieldPulse is a Dallas-based company.

1

Funding Rounds

$2.2m

Money raised

COMPANYCAM, INC. logo

COMPANYCAM, INC.

COMPANYCAM, INC. is a Lincoln, Nebraska-based company founded in 2015.

5

Funding Rounds

$39.0m

Money raised

Niron Magnetics, Inc. logo

Niron Magnetics, Inc.

Niron Magnetics, Inc. is a Minneapolis-based company founded in 2015.

3

Funding Rounds

$15.9m

Money raised

Bluon Energy logo

Bluon Energy

Bluon Energy is an Irvine, California-based hvac company.

1

Funding Rounds

1

Funding Rounds

$3.5m

Money raised