Commercial HVAC​/R Estimator ​/ Applications Specialist

HVAC/Refrigeration Application Engineer

About Mr. C Refrigeration Mr. C Refrigeration provides installation, emergency repair, and preventative maintenance services for commercial and industrial refrigeration, cold storage, and HVAC equipment. We partner with customers to develop reliable, efficient HVAC/R solutions designed around their facilities and operational requirements.

Mr. C Refrigeration is seeking an experienced HVAC/Refrigeration Application Engineer to support the design, equipment selection, estimating, and pre‑construction planning of commercial and industrial refrigeration and HVAC projects. This is a highly technical role requiring someone who can take plans, drawings, specifications, and customer requirements and turn them into a complete HVAC/R solution. The Application Engineer will calculate system requirements, select and specify equipment, develop project pricing, prepare technical information and submittals, and provide a complete project package for handoff to Project Management.

The ideal candidate has a strong understanding of commercial refrigeration systems and equipment and is comfortable working across engineering, estimating, vendors, sales, and project management.

• Review architectural, mechanical, refrigeration, and construction drawings to determine HVAC/R and refrigeration requirements for proposed projects.
• Perform refrigeration and HVAC load calculations for applications including warehouses, cold‑storage facilities, walk‑in coolers/freezers, drive‑in coolers/freezers, and other commercial or industrial refrigeration systems.
• Evaluate project requirements and determine the appropriate system design, equipment capacities, components, and refrigeration equipment needed to meet calculated loads.
• Select and specify equipment through established manufacturers and supplier partners based on project loads, customer specifications, efficiency requirements, applicable codes, availability, and budget.
• Develop equipment schedules and technical submittal information for incorporation into refrigeration drawings and MEP sets, including capacities, dimensions, weights, electrical requirements, refrigerant requirements, and other equipment specifications.
• Work with equipment manufacturers and suppliers to obtain technical information, equipment selections, lead times, and pricing.
• Develop detailed equipment and installation estimates for proposed projects, including equipment, materials, labor, freight, subcontracted work, and other project‑related costs.
• Prepare complete project quotations for the Sales team to present to customers.
• Review vendor and subcontractor proposals to verify pricing, equipment selections, scope, and compliance with project requirements.
• Review refrigeration drawings, equipment schedules, and manufacturer production drawings for accuracy and ensure equipment selections match approved project specifications.
• Identify discrepancies, missing information, potential design issues, or scope gaps during the estimating and pre‑construction process.
• Perform energy‑use calculations and equipment comparisons to evaluate system efficiency, operating costs, and alternative equipment solutions.
• Stay current on changing HVAC/R codes, refrigeration regulations, refrigerant requirements, and industry standards, including A2L refrigerants, CO2 refrigeration, COMcheck, and applicable energy requirements.
• Develop and maintain strong relationships with equipment manufacturers and supplier partners to support competitive pricing, equipment availability, and technical resources.
• Identify and develop qualified subcontractor relationships in geographic areas or scopes not directly serviced by Mr. C Refrigeration.
• Support Sales with…