<SEC-DOCUMENT>0001493152-25-029178.txt : 20251229
<SEC-HEADER>0001493152-25-029178.hdr.sgml : 20251229
<ACCEPTANCE-DATETIME>20251229063008
ACCESSION NUMBER:		0001493152-25-029178
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251126
FILED AS OF DATE:		20251229
DATE AS OF CHANGE:		20251229

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tierney Annemarie
		CENTRAL INDEX KEY:			0001424164
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41266
		FILM NUMBER:		251602722

	MAIL ADDRESS:	
		STREET 1:		C/O NYFIX
		STREET 2:		100 WALL STREET 26TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			06902

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CEA Industries Inc.
		CENTRAL INDEX KEY:			0001482541
		STANDARD INDUSTRIAL CLASSIFICATION:	AGRICULTURE SERVICES [0700]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				273911608
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		1780 55TH STREET, SUITE C
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301
		BUSINESS PHONE:		303-993-5271

	MAIL ADDRESS:	
		STREET 1:		1780 55TH STREET, SUITE C
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Surna Inc.
		DATE OF NAME CHANGE:	20100128
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-11-26</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001482541</issuerCik>
        <issuerName>CEA Industries Inc.</issuerName>
        <issuerTradingSymbol>BNC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001424164</rptOwnerCik>
            <rptOwnerName>Tierney Annemarie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CEA INDUSTRIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>385 SOUTH PIERCE AVENUE SUITE C</rptOwnerStreet2>
            <rptOwnerCity>LOUISVILLE</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80027</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Annemarie Tierney</signatureName>
        <signatureDate>2025-12-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
