
Innovative Engineering Solutions
White Mountain Engineering provides specialized refrigeration and mechanical engineering services for industrial and manufacturing facilities where safety, compliance, and system reliability are critical.
Our services support owners, contractors, and design-build teams who require experienced, independent engineering leadership without unnecessary complexity.




Our Approach
White Mountain Engineering operates as an independent engineering partner.
Clients engage us when they need:
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Unbiased refrigeration and mechanical engineering judgment
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Clear direction on complex refrigeration and thermal challenges
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Practical designs that balance safety, compliance, cost, and constructability
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Experienced leadership and technical skills without the overhead of large firms
Our approach emphasizes simplicity, efficiency, and long-term system performance, while maintaining full awareness of regulatory requirements and industry best practices.
Our Services
Industrial Refrigeration Engineering & Design
Engineering and design of industrial refrigeration systems tailored to the operational, regulatory, and safety requirements of manufacturing environments.
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Ammonia refrigeration engineering and design
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CO₂ refrigeration engineering and design
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HFC/HFO refrigeration engineering and design
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Industrial refrigeration system design for manufacturing facilities and cold storage facilities
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Design-build refrigeration package engineering support
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Low Temperature Spiral freezer and Blast freezer/Cooler refrigeration systems
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Refrigeration Master Planning
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Glycol Cooling Systems
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Heat Recovery systems and industrial heat pumps
Safety, Compliance & Risk Management
Independent engineering support focused on regulatory compliance, system safety, and risk mitigation for refrigeration systems.
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Process Safety Management (PSM) assistance and Process Safety Information development
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Relief vent calculations and design
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Emergency ventilation calculations and design
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Mass Energy Balances
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Ammonia Inventory Calculations
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Process & Instrumentation Diagrams
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Compliance assistance related to refrigeration system regulations
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Independent third-party system review and oversight
System Studies, Analysis & Optimization
Engineering studies and evaluations that improve system performance, efficiency, and long-term reliability.
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Condensation and air balance studies
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Plant utility energy efficiency analyses and studies
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Ammonia charge reduction strategies
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Refrigeration system master plans and long-term expansion studies
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End of Life equipment replacements
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Heat Recovery and carbon emission reduction strategies.
Mechanical & Thermal System Design
Engineering support for integrated thermal systems that interface with refrigeration infrastructure.
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Chilled water system design
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Process Chilled Glycol system design
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Freezer underfloor heating system design
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Process Cooling Tower water cooling system design
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Compressed Air system design
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System P&IDs and technical documentation
Independent Engineering & Expert Support
Senior-level engineering expertise for complex technical challenges, disputes, or independent evaluations.
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Professional engineering services
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Independent engineering services for owners and contractors
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Expert witness testimony for refrigeration systems and complex building thermal issues

Professional Engineering
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Mr. Gilman maintains an Active NCEES record
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Licensed professional engineer in multiple states with nationwide licensure capability
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Member of the International Institute of Ammonia Refrigeration (IIAR)
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Member of the Refrigerating Engineers & Technicians Association (RETA)
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IIAR 2 Subcommittee member for the Design of Safe Closed-Circuit Ammonia Refrigeration Systems