N.H. Rev. Stat. Ann. § 205-D:11

I. All licenses issued by the office shall expire in accordance with RSA 310.

II. Persons licensed as installers are eligible for renewal of their licenses if they:

(a) Are not in violation of this chapter;

(b) Meet any requirements for continuing education established by the board in rules adopted pursuant to RSA 541-A; and

(c) Submit evidence that a surety bond required under RSA 205-D:9 is in force.