Jmb Mechanical is located at 1008 Plainfield St, Johnston, RI. This business specializes in Heating Ventilation & Air Conditioning. Jmb Mechanical is open Mon, 9am-5pm; Tue, 9am-5pm; Wed, 9am-5pm; Thu, 9am-5pm; Fri, 9am-5pm; Sat, Closed; Sun, Closed and accepts American Express, Cash, Discover, Mastercard and Visa.