# CEM Exam Study Guide > CEM exam prep: 166 flashcards, 126 practice questions, glossary Canonical page: [https://chrome-stats.com/d/com.studyguide.cem](https://chrome-stats.com/d/com.studyguide.cem) ## Overview - **ID:** `com.studyguide.cem` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** DMP Software LLC - **Category:** EDUCATION - **Downloads:** 2 - **Version:** 1.0.0 - **Last updated:** 2026-08-08 - **First published:** 2026-08-07 - **Publisher country:** US - **Size:** 18 MB - **Data as of:** 2026-09-19 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.studyguide.cem) - **Website:** [https://www.dmpenterprisellc.com](https://www.dmpenterprisellc.com/) - **Privacy policy:** [https://www.dmpenterprisellc.com/privacy-policy](https://www.dmpenterprisellc.com/privacy-policy) ## Description Prepare for the AEE CEM (Certified Energy Manager) exam with a focused, comprehensive study companion aligned to the current Body of Knowledge 2.0.

CEM Study Guide organizes everything into the fourteen exam subject sections — Energy & Sustainability Policies, Codes & Standards; Energy Rates, Tariffs & Supply Options; Energy Audits & Instrumentation; Energy Accounting & Economics; Electrical Power Systems & Motors; Lighting Systems; HVAC Systems & Building Envelope; Building Automation, Controls & AI; Energy Storage Systems; Boiler & Steam Systems; Distributed Generation & Renewables; Industrial Systems; Operations, Maintenance & Commissioning; and Energy Savings Performance Contracting & M&V — so you study exactly what the exam tests.

FOUR WAYS TO STUDY
• 166 flashcards — tap to flip, tagged by exam domain
• 126 multiple-choice questions with worked explanations
• Term-matching game — pair all 112 key terms, in rounds of five
• Searchable 112-term glossary and 43 formulas

TOPICS COVERED
• Policies & codes: decarbonization, GHG accounting, ASHRAE 90.1/62.1/211, IECC, ISO 50001, LEED, ENERGY STAR
• Rates & tariffs: rate structures, demand charges, ratchets, procurement, demand-side management
• Audits: ASHRAE Level 1/2/3 audits, instrumentation, EUI/ECI, load factor
• Economics: time value of money, NPV, IRR, SIR, life-cycle cost, simple payback, depreciation
• Electrical: power factor correction, three-phase power, motors, VFDs, affinity laws
• Lighting: efficacy, footcandles, zonal cavity method, LED retrofits, lighting controls
• HVAC & envelope: COP/EER/kW-per-ton, chillers, heat pumps, psychrometrics, R- and U-values, degree days
• Controls & BAS: PID control, DDC, BACnet, optimum start/stop, energy management systems
• Energy storage, boilers & steam, CHP & renewables, compressed air, commissioning, ESPC and IPMVP M&V

Start free with a preview of every section. Unlock Premium with a one-time lifetime purchase or a low monthly subscription — both include the entire question bank, glossary, and formula library.

This app is an independent study aid and is not affiliated with, endorsed by, or sponsored by the Association of Energy Engineers (AEE). All trademarks are the property of their respective owners. Exam content and policies change over time — always verify current requirements with the certifying body. ## Rankings - #3,067,587 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.INTERNET` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.studyguide.cem.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Certified Energy Manager Test](https://chrome-stats.com/d/co.ambitionz.app.certifiedenergymanagerpracticetest) — 48 users - [CEM Certified Energy Manager](https://chrome-stats.com/d/com.nupuit.cemc) — 1,037 users - [CEM Certified Energy Manager T](https://chrome-stats.com/d/com.nupuit.cemcp) — 13 users - [CEM Certified Energy Manager E](https://chrome-stats.com/d/com.nupuit.qcemc) — 719 users - [Certified Construction Mgr CCM](https://chrome-stats.com/d/com.studyguide.ccm) — 3 users - [CEN Practice Test](https://chrome-stats.com/d/co.ambitionz.app.cenpracticetest) — 16 users - [CDFM Exam Study Guide](https://chrome-stats.com/d/com.studyguide.cdfm) - [FE EE Exam Prep Guide](https://chrome-stats.com/d/com.penguides.feeeexamprep) — 7 users - [CEN Exam Prep 2026](https://chrome-stats.com/d/pp.cen) — 10,679 users, 3.35 / 5 - [エネルギー管理士｜エネルギー総合分野・法規｜合格対策](https://chrome-stats.com/d/com.yumelabofactory.enekan) — 1,386 users - [Certified Energy Auditor Test](https://chrome-stats.com/d/co.ambitionz.app.certifiedenergyauditorpracticetest) — 98 users - [CPIM Exam Study Guide](https://chrome-stats.com/d/com.studyguide.cpim) — 5 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.studyguide.cem)