N.H. Rev. Stat. Ann. § 153:7

There shall be a state fire marshal who shall be qualified and appointed by the governor and council in the manner prescribed in RSA 21-P:12. He or she shall be subject to removal at any time by the governor and council for inefficiency, neglect of duty, or malfeasance in office, after hearing, with reasonable notice in writing of the charges against him or her. The office of the state fire marshal shall be located in Concord in suitable quarters provided by the state. The state fire marshal shall receive the annual salary prescribed by RSA 94:1-a. Such officer shall devote his or her entire time to the duties of the office and shall discharge such duties and responsibilities as are delegated to the fire marshal by law.