Average Hourly Cost: The average hourly cost of hiring an insulation contractor to install fireplace insulation can range from $50 to $150 per hour, depending on the size and complexity of the job.

Cost Breakdown: When hiring an insulation contractor, the cost typically includes the cost of materials, labor, and any additional accessories needed to complete the job. This can include insulation boards, sealants, fire-resistant materials, and other items.

Factors Affecting Cost: The cost of hiring an insulation contractor to install fireplace insulation can be affected by a variety of factors, such as the type and quality of the insulation and accessories, the complexity of the job, the location of the job, and the service provider. Higher quality materials and more complex jobs will typically cost more.