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HVAC Commercial Design Engineer

Johnstone Supply - The Heartland Group
Eau Claire, WI Full Time
POSTED ON 11/21/2025 CLOSED ON 1/20/2026

What are the responsibilities and job description for the HVAC Commercial Design Engineer position at Johnstone Supply - The Heartland Group?

Description

Johnstone Supply- The Heartland Group is looking for a HVAC Commercial Design Engineer out of our Bloomington, MN office! This person will identify and analyze our customers needs by developing and proposing recommended HVAC systems and design solutions, while also providing technical engineering expertise to our commercial customers and sales team.


 At Johnstone Supply The Heartland Team, we value dependable, humble, and passionately serving employees, while having fun! We are continually growing and believe in providing opportunities for results-oriented individuals willing to successfully do the work.


Essential Job Responsibilities:

  • Respond to initial customer inquiries to investigate their HVAC needs. Discuss the specific customer requests and provide an overview of the general approach to be taken to resolve their needs. Response to customer inquiries may be with sales personnel or performed independently.
  • Design HVAC systems for a wide variety of buildings and processes including offices, laboratories, manufacturing spaces, warehouses, etc. Designs will be performed per industry standard practice to meet the customers’ needs, and per regulatory requirements. Design activities will include heating and cooling load calculations performed on a computer program, air distribution design, boiler/chiller systems design, pump and piping design, steam system design, system choices, controls performance sequence definition, and miscellaneous components. 
  • Prepare and present customer quotes. In coordination with the sales team or independently, follow up on quotes to close the sale.
  • Prepare and assemble construction drawings and arrange plan reviews as appropriate.
  • Support sales team’s engineering needs as required.
  • Gather information on customers’ existing HVAC systems and project requirements. 
  • Coordinate and collaborate with customers and stakeholders to integrate HVAC systems seamlessly into commercial building designs.
  • Design and layout HVAC systems for commercial projects, ensuring compliance with local building codes and regulations.
  • Prepare accurate and detailed HVAC drawings, schematics, and specifications using industry-standard software.
  • Select and recommend appropriate HVAC equipment based on project specifications, energy efficiency, and client needs.
  • Provide technical support to project teams during the construction phase, addressing any design-related issues that may arise.
  • Stay updated on industry trends, new technologies, and advancements in HVAC design.
  • Ensure that all HVAC designs meet environmental and energy efficiency standards.

Sales Results and Responsibilities:

  • Position Johnstone products and services as a strategic advantage to customers.
  • Communicate the Johnstone value proposition and business drivers.
  • Establish and expand relationships with decision-makers within key accounts. Develop new customers and contacts to expand customer base. 
  • Provides sales support to outside sales and inside sales representatives whenever necessary to develop new accounts, expand existing accounts, and “close” business.
  • Perform joint sales calls with the sales team to grow new and existing customer base.
  • Represents Johnstone Supply at trade associations, events and local chapters.  

Requirements

Qualifications:


Education and Experience: 


Required: 

  • Bachelor’s degree in mechanical engineering or a related field.
  • Valid state license for HVAC design.
  • Proven experience in designing HVAC systems for commercial projects. 6 plus years preferred.
  • Proficiency in using industry-standard design software (e.g., AutoCAD, Revit).
  • Strong knowledge of local building codes and regulations related to HVAC systems.
  • Excellent communication and collaboration skills.
  • Detail-oriented with a focus on delivering high-quality design recommendations.
  • Ability to work independently and as part of a team.

Preferred: 

  • College degree OR equivalent combination of education and experience.
  • 6 Years of HVAC Installation or Service experience. 
  • Direct Sales experience in the business-to-business HVAC/R industry.
  • Strong focus on sales planning and implementation.

Physical Demands


The physical demands and work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Employees must be able to perform the essential functions of the position satisfactorily and, if requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of their job, absent undue hardship.
 

Physical: While performing the duties of this job, the employee is required to drive a car, stand and walk on a hard surface for most of the workday. The employee is regularly required to reach with hands and arms, climb and balance; stoop, kneel, crouch or crawl. The employee is frequently required to lift and carry and/or move up to 50 pounds and occasionally required to lift up to 70 pounds. Specific vision abilities required by this job include close vision, color vision, depth perception, and ability to adjust focus. 


Store environment: Most work is done in an office environment or at customer sites with cellular phone, car, computer.


  

This full-time regular position is eligible for benefits including:

Health and wellness benefits

  • Medical Plan: We offer medical and prescription drug coverage with a broad network of providers. Plans include coverage for preventive care, doctor visits, hospital stays, and mental health support. Employees that elect to participate in the medical plan are eligible to enroll in a Health Savings Account.
  • Dental Plan: Our dental coverage includes preventive care such as cleanings and exams.
  • Vision Plan: This coverage provides coverage for routine eye exams, glasses, and contact lenses. 

Income protection

  • Short-Term Disability (STD): Provides a portion of your income for a limited time if you become temporarily disabled due to a non-work-related injury or illness.
  • Long-Term Disability (LTD): Offers partial income replacement for an extended period if you are unable to work due to a more severe and long-lasting disability.
  • Life and Accidental Death & Dismemberment (AD&D) Insurance: Provides a financial payout to your beneficiaries in the event of your death or a covered accidental injury. The company provides $75,000 of coverage at no cost to you, with the option to purchase additional coverage. 

Financial and retirement benefits

  • 401(k) Retirement Savings Plan: You can save for retirement through pre-tax contributions. The company provides a 4% match to help you grow your retirement savings. 
  • Paid Holidays: We offer paid time off for major holidays throughout the year including New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and one annual Floating Holiday. 
  • Paid  Time Off (PTO): Employees accrue paid time off, which can be used for vacation, personal time, and sick leave. The accrual rate is based on years of service and employment status. Our PTO policy complies with any leave required by federal, state or local law.

Travel Expense Reimbursement 

  • Employees are eligible for reimbursement for eligible expenses during authorized travel.  

Cell Phone Reimbursement 

  • $150.00 monthly cell phone reimbursement

Pay Range: $70,000-$90,000 yr.

*This pay range is applicable to all applicants. Placement within the range is at the discretion of the employer and is based on candidate's qualifications, knowledge, and skills.


Apply by 9/29/2025


Posted on Paylocity 9/15/2025

Salary : $70,000 - $90,000

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