<?xml version="1.0"?>
<ownershipDocument>

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    <issuer>
        <issuerCik>0001892480</issuerCik>
        <issuerName>Hempacco Co., Inc.</issuerName>
        <issuerTradingSymbol>HPCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001562866</rptOwnerCik>
            <rptOwnerName>Titus Stuart W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9925 AIRWAY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92154</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

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                </transactionShares>
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                </transactionPricePerShare>
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                </transactionPricePerShare>
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                    <value>9916</value>
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                </transactionPricePerShare>
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                    <value>10000</value>
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                </transactionPricePerShare>
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            <deemedExecutionDate></deemedExecutionDate>
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            <securityTitle>
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                <transactionShares>
                    <value>10000</value>
                </transactionShares>
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                    <value>0.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2023-05-17-05:00</value>
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                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>false</equitySwapInvolved>
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                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.5799</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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                    <value>376127</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-05-19-05:00</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F2"/>
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                <transactionShares>
                    <value>10000</value>
                </transactionShares>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                    <value>386127</value>
                </sharesOwnedFollowingTransaction>
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    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Private purchase from Green Globe International, Inc. (pursuant to which shares were acquired from Green Globe International, Inc. (&quot;GGII&quot;) in consideration of Dr. Titus's agreement to consider $108,000 in principal and interest owed to Dr. Titus by GGII under the short-term loan he made to GGII paid in full).</footnote>
        <footnote id="F2">Open market purchase.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stuart Titus</signatureName>
        <signatureDate>2023-05-31-05:00</signatureDate>
    </ownerSignature>
</ownershipDocument>
