Hobbies and Crafts How much does an R-22 cost? How much does an R-22 cost? The price of R-22 ranges between $13 to $30 per pound to the contractor (and many times that by the time it is billed to the end user) and the price keeps rising as the last remaining supplies are used up. Related Posts:What is an illegal contractor?How To You can file a claim against the construction contractor.The construction contractor has a bond.There is a claim against a construction contractor.