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  3. Sound Beach
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  5. KnowCO2
HardwareCO2 MonitorsActiveVerified

KnowCO2

Postal Address, Registered Agent

KnowCO2 LLC is an open-source hardware company that designs and sells a portable CO2 monitor based on ESP32-S3 and SCD41 sensors, targeting makers, educators, and indoor air quality enthusiasts. The company is located at 35 Harbor Road, Sound Beach, NY, as indicated by the LLC filing.

Filed December 19, 2025 · Sound Beach, NY

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About KnowCO2

KnowCO2 is a hardware business (LLC) registered on December 19, 2025 with the New York Division of Corporations. The business is located in Sound Beach, New York 11789. The record lists Postal Address as Registered Agent.

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Filing Details

Entity NameKNOWCO2 LLC
Entity TypeLLC
Entity Number7786934
Filing DateDecember 19, 2025
Principal AddressLocked
City / State / ZipSound Beach, NY 11789
TimezoneEastern (ET)
EIN on FileNo
Registered AgentPostal Address
Agent AddressLocked

Verified Business Profile

SubcategoryCO2 Monitors

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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Verified Website Profile

We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
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Document Timeline

Filing timeline will be available soon.

Frequently Asked Questions

When was KnowCO2 registered?

KnowCO2 was registered as LLC on December 19, 2025 in New York.

Where is KnowCO2 located?

KnowCO2 is based in Sound Beach, NY, 11789.

What type of business is KnowCO2?

KnowCO2 is classified as a hardware business (co2 monitors).

Does KnowCO2 have an EIN on file?

No EIN was found on file for KnowCO2 at the time of registration.

Who Sells to This Business

Based on the business category, these service providers typically target this type of business.

InsuranceWeb DesignerAccounting

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