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Freelance Heat Transfer Engineer Jobs (NOW HIRING)

API Heat Transfer

Design Engineer

New York, NY · On-site

$65K - $85K/yr

API Heat Transfer is seeking talented Design Engineers ! At API we take our culture transformation seriously! To help find the best fit for our positions and organization, we ask that you complete ...

New

API Heat Transfer

Design Engineer

Buffalo, NY · On-site

$65K - $85K/yr

API Heat Transfer is seeking talented Design Engineers ! At API we take our culture transformation seriously! To help find the best fit for our positions and organization, we ask that you complete ...

API Heat Transfer

Design Engineer

Buffalo, NY · On-site

$65K - $85K/yr

API Heat Transfer is seeking talented Design Engineers ! At API we take our culture transformation seriously! To help find the best fit for our positions and organization, we ask that you complete ...

New

S&B Engineers and Constructors

$103K - $136K/yr

... transfer equipment design, with a specific emphasis on Heat Recovery Steam Generators, for a project of moderate size and complexity (e.g., continuing services project involving a single engineering ...

API Heat Transfer

Design Engineer

Buffalo, NY · On-site

$65K - $85K/yr

API Heat Transfer is seeking talented Design Engineers ! At API we take our culture transformation seriously! To help find the best fit for our positions and organization, we ask that you complete ...

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 ...

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 · 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 ...

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 · 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 ...

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 ...

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All JobsHeat Transfer Engineer JobsFreelance Heat Transfer Engineer Jobs

Freelance Heat Transfer Engineer information

See salary details

$14

$47

$132

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

As of Aug 7, 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 8% Internship, 76% Full Time, 8% Part Time, and 8% Contract. Highlights an 92% In-person, and 8% Hybrid job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Design Engineer

API Heat Transfer

New York, NY • On-site

$65K - $85K/yr

Full-time

Medical, Retirement, PTO

Posted 2 days ago

New

Job description

API Heat Transfer is seeking talented Design Engineers!
At API we take our culture transformation seriously! To help find the best fit for our positions and organization, we ask that you complete our 10-minute Culture Index Survey. Simply follow the link after submitting your application to help us use our interview time to dive deeper into your job behaviors and work history. https://go.cultureindex.com/s/7Y0awCvsZZ
What We Offer You:
  • Opportunity to learn from and contribute to a premier, global engineering team!
  • 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!
  • Pay range: Min $65,000 - Max $85,000

What Can Our Location Offer You:
  • Only 20 minutes from the beautiful Buffalo waterfront and 45 minutes from Niagara Falls
  • In house market style cafeteria with plenty of healthy selections
  • Buffalo is known for our wide range of choices for food and beverages from our famous Buffalo Wings and Beef on Weck to several micro-breweries and distilleries scattered across the region

What You Will Do:
The Design Engineer will support strategic and ongoing customer engagements by providing designs, calculations, drawings, BOMs, etc. for both conventional and complex product initiatives.
  • Use ASME code calculations to fulfill complex customer specifications, as well as develop calculation tools for applications where calculation tools do not exist
  • Prepare simple and complex layouts for components and subassemblies with focus on designing for cost and manufacturability
  • Partner with manufacturing, purchasing, application engineering, and sales to deliver customer projects
  • Support the team with validating each other's output, analysis of results, and other efforts to produce world-class products
  • Contribute to setting project team priorities and provide technical leadership
  • Collaborate with internal teams to construct project scope and determine costs and manufacturing feasibility

What You Bring:
  • Bachelor's Degree in Mechanical Engineering (BSME)
    • or Bachelor's in Mechanical Engineering Technology (BSMET)
  • Proficiency in Solidworks
  • Collaborative, analytical, and solution focused
  • Experience in a Lean Manufacturing environment desired
  • Experience in ASME Boiler and Pressure Vessel design a plus
    • Specializing in Heat Exchangers preferred.

    INDZ

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