-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Gv5XQBf9EqtZMe4Y3yFlJlgqABjonrTRjd0MQDK/Wku7KJDgILUwxd8DSbtqaSTk
 kSpvhvoe6Qdr08Z+LpKePg==

<SEC-DOCUMENT>0001355775-10-000002.txt : 20100210
<SEC-HEADER>0001355775-10-000002.hdr.sgml : 20100210
<ACCEPTANCE-DATETIME>20100210162552
ACCESSION NUMBER:		0001355775-10-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100113
FILED AS OF DATE:		20100210
DATE AS OF CHANGE:		20100210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mayblum Adam
		CENTRAL INDEX KEY:			0001355775

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	814-00717
		FILM NUMBER:		10588177

	MAIL ADDRESS:	
		STREET 1:		50 ANDREW LANE
		CITY:			NEW ROCHELLE
		STATE:			NY
		ZIP:			10804

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			United EcoEnergy Corp.
		CENTRAL INDEX KEY:			0001096938
		STANDARD INDUSTRIAL CLASSIFICATION:	 [9995]
		IRS NUMBER:				841517723
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1365 N. COURTENAY PARKWAY
		STREET 2:		SUITE A
		CITY:			MERRITT ISLAND
		STATE:			FL
		ZIP:			32953
		BUSINESS PHONE:		321-452-9091

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 307
		CITY:			COCOA
		STATE:			FL
		ZIP:			32923-0307

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MNS EAGLE EQUITY GROUP III INC
		DATE OF NAME CHANGE:	19991019
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-01-13</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001096938</issuerCik>
        <issuerName>United EcoEnergy Corp.</issuerName>
        <issuerTradingSymbol>UEEC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001355775</rptOwnerCik>
            <rptOwnerName>Mayblum Adam</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 ANDREW LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW ROCHELLE</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10804</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1204603</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0008</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6050000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Adam Mayblum</signatureName>
        <signatureDate>2010-02-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----