; (2) is— (A) accredited by— (i) BPI as a BPI GoldStar Contractor; (ii) RESNET as an Energy Smart Home Performance Team; (iii) ACCA as a QA Home Performance Contractor; (iv) a State-based certification program established to carry out State energy, clean air, or environmental programs; or (v) an equivalent accreditation program approved by the Secretary for this purpose; or (B) the general contractor, and— (i) subjects the energy efficiency retrofit to a third-party review by a party approved by the Secretary and a quality assurance inspection authorized by the Secretary; and (ii) employs, or utilizes subcontractors who employ, individuals to complete individual or comprehensive scopes of work related to the energy efficiency retrofit who are certified by— (I) BPI; (II) RESNET; (III) NATE; (IV) ACCA; (V) LIUNA; (VI) the Regional and State Department of Energy Weatherization Training Centers; or (VII) other contractor or worker certification programs approved by the Secretary; (3) holds insurance coverage of at least $1,000,000 for general liability, and for such other purposes and in such other amounts as required by the State; (4) provides warranties to the homeowner that completed work will— (A) be free of significant defects; (B) be installed in accordance with the specifications of the manufacturer, and all applicable State and local codes; and (C) perform properly for a period of at least 1 year after the date of completion of the work; and (5) completes an energy audit to determine the impact of the proposed energy efficiency measures in accordance with an ANSI accredited energy auditing standard. (b) Agreement between contractor and home owner A contractor who performs retrofit work under the Home Energy Savings Retrofit Rebate Program must sign a written or electronic contract with the homeowner that includes— (1) an agreement to not increase the cost of the home improvement as a result of the rebates received under this part with respect to physical improvements made to the home