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Freelance Heat Transfer Engineer Jobs (NOW HIRING)

API Heat Transfer

Aluminum Mig &Tig Welder

Franklin, WI · On-site

$19.50 - $25.50/hr

API Heat Transfer is looking for people who enjoy being part of a transformation. Join Our Team as ... Collaborate with engineering and quality teams to resolve issues * Maintain a clean and safe work ...

AGC Heat Transfer, Inc

Machine Shop Lead

Fairview, OR · On-site

$30 - $32/hr

AGC Heat Transfer, a wholly owned subsidiary of Alfa Laval , is North America's leading OEM manufacturer of sanitary plate heat exchangers. With a strong engineering culture, growing business, and ...

API Heat Transfer

Aluminum Mig &Tig Welder

Franklin, WI

$19.50 - $25.50/hr

API Heat Transfer is looking for people who enjoy being part of a transformation. Join Our Team as ... Collaborate with engineering and quality teams to resolve issues * Maintain a clean and safe work ...

API Heat Transfer

Aluminum Mig &Tig Welder

Franklin, WI · On-site

$19.50 - $25.50/hr

API Heat Transfer is looking for people who enjoy being part of a transformation. Join Our Team as ... Collaborate with engineering and quality teams to resolve issues * Maintain a clean and safe work ...

API Heat Transfer

Aluminum Mig &Tig Welder

Franklin, WI

$19.50 - $25.50/hr

API Heat Transfer is looking for people who enjoy being part of a transformation. Join Our Team as ... Collaborate with engineering and quality teams to resolve issues * Maintain a clean and safe work ...

Chart Industries

Sales/Application Engineer

Beasley, TX

$87K - $107K/yr

Evaluate heat exchanger designs and heat transfer surface concepts using known analytical and experimental methods * Collaborate with and appropriate Subject Matter Experts (SME) to solve engineering ...

Chart Industries

Sales/Application Engineer

Beasley, TX · On-site

$87K - $107K/yr

Evaluate heat exchanger designs and heat transfer surface concepts using known analytical and experimental methods * Collaborate with and appropriate Subject Matter Experts (SME) to solve engineering ...

Chart Industries

Sales/Application Engineer

Beasley, TX

$87K - $107K/yr

Evaluate heat exchanger designs and heat transfer surface concepts using known analytical and experimental methods * Collaborate with and appropriate Subject Matter Experts (SME) to solve engineering ...

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Freelance Heat Transfer Engineer information

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$47

$132

How much do freelance heat transfer engineer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for freelance heat transfer engineer in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What does a freelance heat transfer engineer do?

A Freelance Heat Transfer Engineer specializes in analyzing, designing, and optimizing systems where heat transfer is critical, such as HVAC systems, power plants, or manufacturing processes. Working on a freelance basis, they offer their expertise to various clients on a project or contract basis rather than being employed by one company. Their work often involves conducting thermal simulations, improving energy efficiency, troubleshooting heat-related issues, and ensuring compliance with industry standards. Freelance engineers typically have flexibility in choosing projects and clients, and must manage their own business operations alongside technical work.

What is the difference between Freelance Heat Transfer Engineer vs Mechanical Engineer?

AspectFreelance Heat Transfer EngineerMechanical Engineer
CredentialsRelevant engineering degree, specialized heat transfer knowledge, certifications optionalEngineering degree, often with broader mechanical focus, certifications vary
Work EnvironmentIndependent, project-based, remote or on-site consultingCompany or industry-based, full-time or part-time roles, on-site or office work
Industry UsageConsults on thermal systems, HVAC, energy efficiency projectsDesign, analysis, manufacturing of mechanical systems, including thermal components

Freelance Heat Transfer Engineers focus specifically on thermal systems and often work independently on specialized projects, while Mechanical Engineers have a broader scope in mechanical design and manufacturing within organizations. Both roles require engineering credentials, but their work environments and project types differ significantly.

What are some common challenges faced by freelance heat transfer engineers, and how can they be managed?

Freelance heat transfer engineers often face challenges such as managing multiple client projects simultaneously, staying updated with the latest simulation tools, and accessing industry-standard software without an employer’s license. Time management and clear communication with clients are critical to balancing deliverables and maintaining quality. Networking with peers and participating in professional forums can help freelancers stay current and troubleshoot complex technical problems as they arise.

What are the key skills and qualifications needed to thrive as a freelance heat transfer engineer, and why are they important?

To thrive as a Freelance Heat Transfer Engineer, you need a solid background in mechanical or chemical engineering with expertise in thermodynamics, fluid mechanics, and heat transfer principles, often supported by a relevant engineering degree and professional experience. Familiarity with simulation software such as ANSYS Fluent, COMSOL Multiphysics, and CAD tools, as well as knowledge of industry standards, is essential. Strong problem-solving skills, clear communication, and self-management are crucial soft skills for effectively collaborating with clients and managing projects independently. These competencies ensure accurate analysis, innovative solutions, and successful client engagements in a competitive freelance environment.
More about Freelance Heat Transfer Engineer jobs
What cities are hiring for Freelance Heat Transfer Engineer jobs? Cities with the most Freelance Heat Transfer Engineer job openings:
What are the most commonly searched types of Heat Transfer Engineer jobs? The most popular types of Heat Transfer Engineer jobs are:
What states have the most Freelance Heat Transfer Engineer jobs? States with the most job openings for Freelance Heat Transfer Engineer jobs include:
What job categories do people searching Freelance Heat Transfer Engineer jobs look for? The top searched job categories for Freelance Heat Transfer Engineer jobs are:
Freelance Heat Transfer Engineer jobs near you
Infographic showing various Freelance Heat Transfer Engineer job openings in the United States as of August 2026, with employment types broken down into 13% Internship, 73% Full Time, 7% Part Time, and 7% Contract. Highlights an 93% In-person, and 7% Hybrid job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Aluminum Mig &Tig Welder

API Heat Transfer

Franklin, WI • On-site

$19.50 - $25.50/hr

Full-time

Medical, Retirement, PTO

Re-posted 7 days ago

Job description

API Heat Transfer is looking for people who enjoy being part of a transformation.
Join Our Team as an Aluminum MIG & TIG Welder!
About the Role
Are you a skilled welder with a passion for precision and craftsmanship? We're looking for an experienced Aluminum MIG & TIG Welder to join our dynamic team and help build high-performance heat transfer products, including condensers and cooling units. If you take pride in your work and thrive in a fast-paced manufacturing environment, we want to hear from you!
What You'll Do
  • Weld aluminum components using MIG and TIG techniques with accuracy and consistency
  • Read and interpret blueprints and technical drawings
  • Set up and operate welding equipment and tools
  • Inspect welds for quality and compliance
  • Collaborate with engineering and quality teams to resolve issues
  • Maintain a clean and safe work environment
  • Support continuous improvement in welding processes

What We Offer You:
  • Opportunity to be part of a growing, transforming business.
  • Be part of leading-edge technology for the heat transfer industry
  • Ability to impact customers across multiple industries.
  • Full health & welfare benefits, 401(k), PTO, and developmental opportunities!

What You Bring
  • 2+ years of aluminum MIG & TIG welding experience
  • Ability to read blueprints and welding symbols
  • Strong attention to detail and commitment to safety
  • Welding certification preferred (e.g., AWS D1.2)
  • Team-oriented mindset and ability to work independently

Physical Requirements
  • Ability to lift up to 50 lbs and work in various positions
  • Manual dexterity and visual acuity for precision welding
  • Exposure to heat, noise, and welding fumes (PPE provided)
  • Frequently required to sit/stand, talk and hear, use hands to finger, handle, or touch objects or controls.
  • Required to stand, walk, stoop, bend, and occasionally reach above shoulders.

Why Join Us?
  • Competitive pay and benefits
  • Opportunities for growth and advancement
  • Supportive team environment
  • Work on industry-leading products that make a difference
Ready to weld your future with us?
Apply today and become part of a company that values craftsmanship, safety, and innovation.
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