Best Environment Tech Companies in Denver, United States
The 53 best Environment Tech companies in Denver, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Helio Home.
Our analysis of 83 Environment Tech companies
$16.0b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Denver
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Helio Home Provider of all-electric heating and cooling system installation and related services 67Funding top 24%Growth top 28%Tech top 37%Talent top 38% All 7 signals ▾Fundingtop 24% Growthtop 28% Techtop 37% Talenttop 38% Producttop 47% Globalbottom 48% Marketbottom 46% Funding: Raised $50.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $50M | 5 mo ago | — | Aaron Grant Co-Founder | SentryApple iCloud MailNode.js+25 | — | — |
| 2 | RemoteLock Provider of software solutions for access control using smart locks | $48M | 36 mo ago | 15 | Nolan Mondrow CEO | WordPress Block EditorWordPressApple iCloud Mail+38 | 3 patents Smart electronic lock credential verification systems | 1 launch |
| 3 | Clean Energy Collective Developer of community-owned solar systems | $45M | 139 mo ago | 102 | — | — | — | — |
| 4 | Novinda Developer of non-carbon mercury capture reagent | $34M | 109 mo ago | 8 | Michael Rosenberg CEO | — | 45 patents Mercury capture and sorbent technologies for flue‑gas and industrial emissions | — |
| 5 | SunShare Developer of community solar gardens providing subscription-based renewable energy solutions | $30M | 57 mo ago | 32 | David Amster-Olszewski Founder & CEO | WordPressMySQLPHP+42 | — | 2 job openings |
| 6 | Cowboy Clean Fuels Provider of renewable natural gas | $26M | 11 mo ago | 15 | Ryan Waddington Co-Founder | WordPressMySQLPHP+23 | — | 1 launch |
| 7 | Coolerado Provider of energy-efficient air conditioning systems | $25M | 159 mo ago | 34 | Tom Teynor CEO | — | 4 patents Evaporative cooling water distribution and scale mitigation systems | — |
| 8 | Rachio Smart watering solutions for efficient irrigation and outdoor home automation | $20M | 100 mo ago | 52 | — | SanityShopifyCart Functionality+26 | 56 patents Smart residential irrigation and lawn care systems integrating consumable delivery and remote control | — |
| 9 | Swiim Irrigation solutions: design, construction, repair, precision, water management, and consulting | $9M | 96 mo ago | 24 | Kevin France CEO | — | — | — |
| 10 | Crimson Renewable Energy Manufacturer and supplier of biodiesel | $5M | 17 mo ago | 67 | Harry Simpson President/CEO | — | — | — |
| 11 | RenewWest Provider of ecosystem restoration and landscape management services. | $3M | 40 mo ago | 9 | John Cleland Co-Founder & CEO | — | — | — |
| 12 | Remotely Smart building software to track smart devices in units | $2M | 52 mo ago | 6 | Dan Daugherty Co Founder & CEO | — | — | — |
| 13 | Tereform Developer of chemical recycling technology for textile waste | $1M | 16 mo ago | 2 | — | — | — | — |
| 14 | Stratavia Data Center automation solutions | $1M | 199 mo ago | 14 | — | — | 10 patents Automation of database administration standard operating procedures | — |
| 15 | Instream water Smart water bottle and wristband for water refilling | $562K | 68 mo ago | 2 | Patrick Mahncke Founder & CEO | — | — | — |
| 16 | OptiMiser Developer of software for residential energy auditing and performance analysis | $397K | 48 mo ago | 4 | — | — | — | — |
| 17 | NLB Water Wastewater recycling and desalination solutions | $255K | 135 mo ago | — | Fredrik Klaveness CEO | — | — | — |
| 18 | Demand IQ AI-driven platform offering customer acquisition solutions for solar power plant operators | $250K | 56 mo ago | 15 | — | SentryReactReact Router+8 | 2 patents E‑commerce UI generation and optimization of virtual storefront templates for online retail | — |
| 19 | Drip Drone Internet first brand of water leak detectors | $150K | 102 mo ago | 5 | Eric Davis Co-Founder | — | — | — |
| 20 | Sorcerer Weather forecasting and climate analytics solution | $125K | 11 mo ago | — | Austin Tindle Co-Founder & CEO | WebflowApple iCloud MailThree.js+9 | — | — |
Top 12 Environment Tech companies in Denver
#1
Series A · Denver, Colorado · founded 2020$50Mraised▾
Provider of all-electric heating and cooling system installation and related services. The company offers system installation, rebates, and financing options. It provides a home application that learns usage to optimize energy bills. The company remotely monitors systems for performance and efficiency.
- Jan 2026Series A$50M
#2
Series B · Denver, Colorado · founded 2020 · 15 employees$26.1Mraised▾
Provider of renewable natural gas. It provides Clean fuels and has developed a technology to develop biogas. It is manufactured by capturing and sequestering CO2.
- Jul 2025Conventional Debt$6M
- May 2024Series B$13.2M
- Jan 2024Grant (prize money)—
- Dec 2023Series A$3.7M
#3
Funding Raised · Denver, Colorado · founded 2006 · 67 employees$5.1Mraised▾
Manufacturer and supplier of biodiesel
- Feb 2025Grant (prize money)$143.1K
- Feb 2014Grant (prize money)$5M
#4
Series B · Denver, Colorado · founded 2011 · 15 employees$48.3Mraised▾
Provider of software solutions for access control using smart locks. It provides users with residential and commercial access control solutions, a connected camera for video monitoring, a power plug and strip and a connected thermostat.
- Jun 2023Series B$17.8M
- Jan 2022Series B$3M
- Dec 2021Series B$14.8M
- Sep 2020Series A$3.6M
#5
Seed · Denver, Colorado · founded 2022 · 2 employees$1.2Mraised▾
Developer of chemical recycling technology for textile waste. Its offerings include a novel process that transforms mixed-material waste textiles, such as polyester, back into their original chemical building blocks using oxygen and biobased solvents. It enables the creation of recycled polymers from materials containing complex additives like spandex, prints, finishes, and dyes.
- Feb 2025Seed$1.2M
#6
Seed · Denver, Colorado · founded 2024$125Kraised▾
Weather forecasting and climate analytics solution. It provides information and data related to various weather factors including wind, temperature, rainfall, and more.
- Aug 2025Grant (prize money)$305K
- 2024Seed$500K
#7
Series A · Denver, Colorado · founded 2011 · 32 employees$30Mraised▾
Developer of community solar gardens providing subscription-based renewable energy solutions. The company builds, owns, and manages solar gardens, delivering long-term value to subscribers. They lease or buy land from landowners to build community solar gardens. These gardens serve subscribers who want to benefit from solar power. The company handles maintenance and performance of its solar gardens.
- Sep 2021Series A$30M
- Sep 2018Conventional Debt$11M
- Mar 2016Seed—
#8
Deadpooled · Denver, Colorado · founded 2003 · 8 employees$34.2Mraised▾
Developer of non-carbon mercury capture reagent. It is operating as an air-quality technology company, providing non-carbon mercury capture products to owners and operators of coal-fired electric utility and industrial boilers. The innovative proprietary product named Amended Silicates™ is a mineral-based product which acts as a mercury removal and oxidation reagent through a chemical reaction, rather than adsorption technologies. Operates a fleet of mercury continuous monitoring systems to evaluate the fate of mercury across the entire air quality control system during the testing process. Also, offers other professional services like environmental performance assessment, testing & evaluation, engineering, analysis & recommendation and compliance testing services to plant operators. It's compatible with two systems for feeding named gas-assisted discharge system, and nitrogen injection valves which accommodate both AS & PAC types.
- May 2017Series E$1.1M
- Aug 2016Series E$500K
- Nov 2015Series E$1.1M
- Feb 2015Series E$7.3M
#9
Acqui-Hired · Denver, Colorado · founded 2009 · 102 employees$45.3Mraised▾
Developer of community-owned solar systems. Provides access to solar power to all community members through a centralized solar array. Participants receive credits on their electric bill for participating in the solar array. Also, developed software systems for utilities and customers to manage the community solar systems.
- Dec 2014Series B—
- Oct 2014Conventional Debt$9.1M
- Oct 2014Series A$1.4M
- Dec 2012PE$13M
#10
Acquired · Denver, Colorado · founded 2012 · 52 employees$20.1Mraised▾
Smart watering solutions for efficient irrigation and outdoor home automation. The company provides innovative technology to optimize outdoor spaces with smart controllers and personalized recommendations. They focus on water conservation through efficient irrigation systems, offering products for both residential and professional use. Their solutions include smart sprinkler controllers, hose timers, and smart lighting controllers, all designed to connect the home to a smarter way to manage outdoor watering. They offer features like valve monitoring, weather-based adjustments, and integrations with other smart home systems. The company is committed to long-term support and transparent practices, ensuring customers have access to reliable and innovative solutions for their yards and gardens. They also offer a recycling program for old controllers and bulk deals for professionals. The website offers login, cart, blog, help center, rebates, reviews, Android App, iOS App, Web Login, subscription, and B2B sales.
- Mar 2018Series B$10.5M
- Nov 2015Series A$7.1M
- Aug 2015Series A—
- Oct 2014Series A$2.5M
#11
Acqui-Hired · Denver, Colorado · founded 2004 · 34 employees$25Mraised▾
Provider of energy-efficient air conditioning systems. It offers air conditioning systems including a heat and mass exchanger, and an energy recovery ventilator.
- Apr 2013Series C$9.1M
- Dec 2012Series C$8.8M
- Apr 2012Conventional Debt$5M
- Oct 2010Series B$7.2M
#12
Seed · Denver, Colorado · founded 2015 · 9 employees$3.2Mraised▾
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- Mar 2023Seed$3.2M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in the United States
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,039 United States-affiliated papers.
- United States Geological Survey157
- Cary Institute of Ecosystem Studies112
- Environmental Protection Agency84
- National Research Council79
- National Park Service76
- Software deployment2→31
- Pollution3→27
- Air quality index1→25
- Water quality10→34
- Air pollution3→25
- Air quality index14→60
- Air pollution8→51
- Pollutant4→32
- Sampling (signal processing)14→42
- Water quality23→48
- Human health1→32
- Pollution4→33
- Air quality index6→31
- Pollutant6→28
- Biodiversity1→22
Where environmental monitoring is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing environmental monitoring patents in the United States
United States environmental monitoring patent filing is accelerating — 450 filings from 343 assignees (2016–2025), led by LEEO, Valencell, United Parcel Service; annual filings 47→49.
- LEEO41
- Valencell25
- United Parcel Service21
- Honeywell INT20
- Apple18
- Venturedyne18
- Pillar TECH17
- IND Scient16
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.