PPI2Pass vs Engineering Pro Guides for the PE exam
PPI2Pass offers the deepest PE library across most disciplines, from Learning Hub self-study (about $149) to Live Online classes (about $2,595, reported), with a guarantee only on live courses. Engineering Pro Guides specializes in Mechanical and Electrical Power, with HVAC courses from $595 to $950 and $42 practice exams. For mechanical candidates on a budget, EPG is far cheaper.
Engineering Pro Guides from its own pages; PPI features from its own pages with prices as reported. Checked October 11-12, 2026. Not hands-on tested.
| PPI2Pass | Engineering Pro Guides | |
|---|---|---|
| Disciplines | Most PE disciplines | HVAC, Thermal and Fluids, Power, Fire Protection |
| Price | ~$149 Learning Hub to ~$2,595 Live (reported) | $595-$950 (HVAC course); $42 practice exams |
| Materials | Reference manuals and practice books | Textbook, 500+ problems, 20+ mini exams |
| Guarantee | Live Online only (free OnDemand) | None found; unlimited plan until you pass |
Choose PPI2Pass if
- You want established reference books or live classes, or your discipline isn’t covered by EPG.
Choose Engineering Pro Guides if
- You’re taking a Mechanical or Power PE and want a focused, lower-cost course.
Official source & community discussion
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