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CarbonQuest

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Providing urban building owners advanced technologies and solutions that enable acceleration of global carbon reduction

Spokane Valley, United StatesFounded 2018Energy
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for CarbonQuest and the history behind them.

About CarbonQuest

CarbonQuest, founded in 2019, provides distributed carbon capture solutions tailored for small- to medium-scale emitters, a market segment often overlooked by larger-scale carbon capture applications. The company was established by a team of entrepreneurs, including CEO Shane Johnson and Chairman Dave Curry, who have a history of building and successfully exiting technology companies, such as Demand Energy Networks and World Wide Packets. This background in energy and telecommunications provided the team with the expertise to tackle complex, hardware-intensive challenges, a philosophy they've applied to decarbonization.

The firm targets emissions from natural gas consumption in buildings, industrial facilities, and onsite power generation systems like boilers and fuel cells, which can account for up to 50% of a site's total CO2 emissions. CarbonQuest's business model revolves around its proprietary Distributed Carbon Capture™ technology, a modular system that captures up to 90-95% of CO2 from flue exhausts using a non-toxic, solid sorbent filter. This system is designed for space-constrained environments, offering a turnkey installation that avoids operational disruptions. The company has introduced a "Carbon Capture-as-a-Service" model, allowing clients to install the system with no upfront capital cost, instead paying through a multi-year service agreement that guarantees a minimum amount of captured CO2.

Once captured, the CO2 is liquefied on-site and sold as "Sustainable CO2™" to various off-takers, creating a circular economy. This recycled CO2 is used in processes like concrete manufacturing, where it is permanently sequestered, and in the food and beverage industry for carbonation and preservation. This approach not only helps clients meet emissions regulations and ESG goals but also provides a resilient, local source of CO2, insulating them from volatile supply chains. To complement its hardware, CarbonQuest developed the Carbon Management System™, a cloud-based software that provides real-time data and analytics for tracking and reporting captured emissions. The company has deployed its systems in multiple locations, including several buildings in New York City, and has expanded into the food and beverage market. After being largely self-funded, CarbonQuest secured $20 million in a Series A funding round to scale its operations across North America.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2018
Headquarters
Spokane Valley, United States
Employees
35
Open positions
None listed
Dealroom signal
30.6/100
Industry
Energy
Sub-industry
Oil & Gas
Sector
Energy, Sustainable Development Goals, Carbon Capture and Storage, Climate Tech, Point Source
Business model
Manufacturing
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VC✓Equity / VC Feb 2025 $20M $80M Energy Capital Ventures · Riverbend Energy Group · Aligned Climate Capital ↗
SERIES A✓Equity / VC Aug 2024 $0 — Riverbend Energy Group ↗
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Growth signals

CarbonQuest website traffic

Latest recorded traffic for CarbonQuest is 830 monthly website visits, down 68.1% over the last three months. CarbonQuest's team declined 5.4% over the past year.

Latest monthly visits830 3-month web change-68.1% 1-year team growth-5.4%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

5 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A3 investors entered at this stage

  • Riverbend Energy Group
  • Energy Capital Ventures
  • Aligned Climate Capital

Other known investors2 additional known investors

  • ACRE Incubator
  • Urban Future Lab
Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States89.3%
🇮🇳 India10.7%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about CarbonQuest on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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