Average Hourly Cost: The average hourly cost for a mechanical contractor to install piping is $75 - $125 per hour. This cost may vary depending on the complexity of the job and the quality of the accessories used.

Cost Breakdown: The cost of piping installation may include labor, materials, and equipment. Labor costs may include the cost of the mechanical contractor, their expertise, and the time needed to complete the job. Materials may include the piping, fittings, and accessories needed for the installation. Equipment may include any tools and machinery needed to complete the job.

Factors Affecting Cost: Several factors may affect the cost of piping installation. These include the type and quality of the accessories used, the complexity of the job, the location of the job, and the service provider. The type and quality of the accessories used can have a major impact on the cost. The complexity of the job, such as the size and number of pipes and fittings, can also affect the cost. The location of the job and the service provider can also influence the overall cost.