HVAC Design Engineer

K Komfort Heating & Cooling; Milwaukee (WI); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) with company match

Paid time off and paid holidays

Short-Term Disability Coverage coming

Job summary

K Komfort Heating & Cooling is seeking an HVAC Design Engineer to design, coordinate, and execute HVAC systems for commercial, multifamily, and municipal projects from our Grafton, WI office.

You will collaborate with project managers, field teams, and clients, perform load calculations, prepare drawings, and ensure code compliance. A 2–5 year background in HVAC design and PE licensure pursuit is preferred.

Qualifications

• BS in Mechanical or Architectural Engineering or related field.
• 2–5 years HVAC design experience.
• PE certification or pursuit of PE certification.
• Strong HVAC load calculations and codes knowledge.

Responsibilities

• Design HVAC systems including load calculations, equipment selection, ductwork and piping layouts.
• Develop construction documents, drawings, and specifications.
• Perform energy calculations and ensure code compliance.
• Coordinate with architects, structural engineers, and other trades.
• Support design-build and plan-spec projects from concept through construction.
• Participate in project meetings and provide technical input.
• Review submittals and assist with RFIs.
• Conduct site visits to verify field conditions and support teams.
• Contribute to value engineering and cost optimization.
• Assist in developing internal engineering standards and best practices.
• Train junior engineers and interns.

Skills

HVAC design

Load calculations

Communication

Coordination

Project collaboration

Education

BS in Mechanical Engineering or Architectural Engineering

Tools

AutoCAD

Revit

Microsoft Office

Job description

Location: This role is based out of our Grafton, WI office
Project Coverage: Milwaukee, Madison, and Green Bay metro areas
Job Type: Full-Time
Industry: HVAC / Mechanical Construction

About Us

We are a fast-growing HVAC contractor operating throughout Wisconsin, Illinois, Indiana, and Florida, serving multi-family, commercial, K–12, municipal, hospitality, and other markets. Our company differentiates itself through strong project execution and internal engineering design capabilities, allowing us to successfully deliver design-build and design-assist projects.

Position Overview

We are seeking an HVAC Design Engineer who will play a key role in the design, coordination, and execution of HVAC systems for commercial, multifamily, and municipal projects. This position is ideal for a motivated professional with 2–5 years of experience who is eager to expand their technical expertise within a rapidly scaling organization.

The HVAC Design Engineer will collaborate closely with Project Managers, internal engineering staff, field teams, and clients to develop practical, efficient, and code-compliant HVAC system designs.

Responsibilities

• Design HVAC systems including load calculations, equipment selection, ductwork and piping layouts.
• Develop construction documents, drawings, and specifications.
• Perform energy calculations and ensure compliance with applicable codes and standards.
• Coordinate with architects, structural engineers, and other trades.
• Support design-build and plan-spec projects from concept through construction.
• Participate in project meetings and provide technical input.
• Review submittals and assist with RFI responses.
• Conduct site visits as needed to verify field conditions and support project teams.
• Contribute to value engineering and cost‑optimization efforts.
• Assist in developing internal engineering standards and best practices.
• Train junior engineers and/or interns.

Required Qualifications

• BS in Mechanical Engineering, Architectural Engineering, or a related field.
• 2–5 years of HVAC design experience.
• Current PE certification or a desire to obtain PE certification.
• Strong understanding of HVAC systems, load calculations, and applicable mechanical codes.
• Strong communication and coordination skills.
• Proficiency in AutoCAD and/or Revit.
• Proficiency in Microsoft Office (Excel, Word, Outlook, Teams).

Preferred Qualifications

• Strong understanding of HVAC systems and mechanical construction practices.
• Experience with commercial, K–12, municipal, or hospitality projects.
• Experience in multifamily projects preferred.
• Experience with public‑sector and prevailing wage projects.
• Design‑build or design‑assist experience.
• PMP, LEED, or similar certifications.
• Familiarity with Wisconsin and Florida codes is a plus.
• Based out of our Grafton, WI office.
• Supports projects in assigned areas.
• Regular visits to active construction sites.
• Health, dental, and vision insurance.
• Employer‑provided life/AD&D insurance.
• 401(k) with company match.
• Paid time off and paid holidays.
• Coming in 2027: Employer provided Short-Term Disability Coverage.
• Growth‑oriented work culture.

This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job‑related instructions and to perform any other job‑related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an “at will” relationship.