MUTUAL RELEASE

Lennox International Inc. (''Borrower"), the lenders party thereto and the Administrative Agent have entered into that certain Fourth Amended and Restated Revolving Credit Facility Agreement, dated as of October 21, 2011(as the same has been amended or may be amended, the “Credit Agreement"). All capitalized terms used herein, unless otherwise defined herein, shall have the meanings as set forth in the Credit Agreement

In connection with the Credit Agreement, each of the Subsidiary Guarantors guaranteed the Obligations pursuant to that certain Fourth Amended and Restated Subsidiary Guaranty Agreement dated October 21, 2011 (the "Guaranty").

Borrower and the other Subsidiary Guarantors have advised the Administrative Agent and the other Secured Parties that Borrower intends to sell all the Equity interests issued by Service Experts and, as all of the Equity Interests in Service Experts Heating are owned by Service Experts, all of the Equity Interests in Service Experts Heating (such sale, the "'Disposition'').

The Administrative Agent has agreed to release the Prior Guarantors from their obligations under or in respect of the Guaranty and all other Loan Documents, on and subject to the terms of this Release.

Effective immediately prior to the closing of the Disposition, each Prior Guarantor hereby releases and discharges the Administrative Agent and each other Secured Party and their respective officers, directors,

Each of the Prior Guarantors represents that it has not assigned or transferred, or purported to assign or transfer to any Person, any of the obligations, indebtedness, liability, claims, rights, causes of action or demands released pursuant hereto (the “Claims'') or any portion thereof or interest therein and that it is the sole and rightful owner of any such Claims. The parties hereto understand and agree: (i) the consideration

This Release embodies the final, entire agreement among the parties hereto and supersedes any and all prior commitments, agreements, representations and understandings whether written or oral relating to the subject matter hereof and may not be contradicted or varied by evidence of prior, contemporaneous or subsequent oral agreements or discussions of the parties hereto.

This Release shall be governed by and construed in accordance with the internal laws of the State of New York, other than those conflicts of law provisions that would defer to the substantive laws of another jurisdiction. This governing law election as been made by the parties in reliance (at least in part) on Section 5-1401 of the General Obligations Law of the State of New York, as amended (as

This Release may be executed in one or more counterparts and on telecopy or other electronically reproduced counterparts, each of which shall be deemed an original but all of which together shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page of this Release by telecopy or other electronic communication shall be effective as delivery of manually executed counterpart of this Release.