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HVAC/R PROGRAM

Seven months. With ETI’s HVAC/R program, that’s all it could take to start a lucrative career in an in-demand industry.

Hands-on experience with industry-current equipment in our more than 15,000 sq. ft lab will help you learn the skills employers are looking for. Expert instructors with decades of field experience will share their knowledge on sheet metal fabrication, electrical work, conduit bending, gas piping, refrigeration, diagnostics and everything else you need to know to install, repair and replace HVAC/R equipment.

Learn more about HVAC Training at ETI!

HVAC Career Training Progams

At ETI, we proudly offer the following:

  • Programs that can be completed in as little as 7 months
  • Day and evening classes designed for your busy schedule
  • Financial Aid, available for those who qualify
  • Graduates will test for their EPA Section 608 Universal Certification and GWP/A2L. Additional Certifications available.
  • A unique Employer-Graduate match process that has had employers coming back to hire our graduates for the past 20 years!
HVAC/R Technician Subcooling HVAC Graduation

At ETI, we don’t just train our students in HVAC/R – we prepare them for a career. We provide a comprehensive training program led by highly qualified instructors with years of field experience.

Students can learn all the skills they need to thrive in an in-demand industry, including installation, maintenance and repairs. We also offer EPA Section 608 Universal Certification and R-410A testing, as well as other available certifications.

Call us today at (888) 572-9937 to arrange a personal tour.

Subcooling is a measurement of temperature decrease of a liquid below its saturation temperature at a given pressure. In refrigeration, the subcooling between the condenser and metering device provides a lot of information, including whether the line has liquid, refrigerant charge and condenser efficiency.

Checking subcooling

  1. From the unit data plate determine the type of refrigerant and recommended txv subcooling amount
  2. Check all of your hoses to make sure the O-Rings are intact and free from dirt, oil and debris
  3. Attach blue hose to the suction line service port (the larger the diameter line)
  4. Attach the red hose to the liquid line service port (the skinny line)
  5. Bleed Hose
  6. Attached tip of temperature probe to the liquid line near the condenser
  7. Allow unit to run for a few minutes while pressures stabilize
  8. Determine your high side saturation temperature
  9. Determine your liquid line temperature
  10. The numbers show – 84 degrees saturation temperature minus 74 degrees liquid line temperature equals 10 degrees of subcooling.

By graduation, ETI HVAC/R graduates should be well-prepared to start a career in an in-demand industry. Our hands-on training program is highly valued by Chicagoland companies, which is why we have well-established relationships with employers dating back 20 years. Job placement assistance will help you get started in the industry right away.