<SEC-DOCUMENT>0001209191-20-064643.txt : 20201221
<SEC-HEADER>0001209191-20-064643.hdr.sgml : 20201221
<ACCEPTANCE-DATETIME>20201221163405
ACCESSION NUMBER:		0001209191-20-064643
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201221
FILED AS OF DATE:		20201221
DATE AS OF CHANGE:		20201221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Merrill Travis D
		CENTRAL INDEX KEY:			0001605278

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38635
		FILM NUMBER:		201404699

	MAIL ADDRESS:	
		STREET 1:		27700 SW PARKWAY AVE.
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RESIDEO TECHNOLOGIES, INC.
		CENTRAL INDEX KEY:			0001740332
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-HARDWARE [5072]
		IRS NUMBER:				825318796
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		901 E 6TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78702
		BUSINESS PHONE:		973-455-2000

	MAIL ADDRESS:	
		STREET 1:		901 E 6TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HH Spinco Inc.
		DATE OF NAME CHANGE:	20180510
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-12-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001740332</issuerCik>
        <issuerName>RESIDEO TECHNOLOGIES, INC.</issuerName>
        <issuerTradingSymbol>REZI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001605278</rptOwnerCik>
            <rptOwnerName>Merrill Travis D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 E 6TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Chief Strat &amp; Cml Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-12-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock Units were granted under the Amended and Restated 2018 Stock Incentive Plan of Resideo Technologies, Inc. and its Affiliates, and will vest in three equal installments on each of December 21, 2021, December 21, 2022 and December 21, 2023 subject to continued employment.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeannine J. Lane, as Attorney-in-Fact for Travis D. Merrill</signatureName>
        <signatureDate>2020-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
