Gas Furnace Efficiency Strategy (Mini Course)

(1.5 CEU) Gas furnaces come in a variety of designs and sizes, with efficiencies that range from 50% to more than 90%. This mini course discusses and illustrates the three main furnace types and the factors that affect their efficiency.


10000 in stock


  • Includes a single-choice exam, a certificate, CEU’s and a student dashboard.
  • Score 80% or better on the final exam and receive a professional certificate.
  • Store certificates and CEU awards on your student dashboard.

Enroll into a training:

1. Purchase a training product.

2. Copy the code on your receipt.

3. Click ‘Redeem’ on the top menu.

4. Enter the code.

5. Click on the new course.


John Krigger

Virtual Instructor

Paul Summerlin

Operations Specialist

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