Robinson Helicopter Co. has issued Service Bulletin 109, requiring owners of R22 helicopters (up to S/N 4620) to replace existing aluminum fuel tanks with new nylon-reinforced rubber bladders. The ...

(MENAFNEditorial) Bluon Energy is a fast-growing company which was established with the mission to provide residential and commercial property owners with practical solutions for the post R22 world.

You keep up to speed with refrigerant regulations in your free time, right? We didn’t think so. Luckily, McCullough Heating & Air Conditioning has you covered. Here are the major highlights: A common ...