EPA 608 Study Guide: Get Ready to Legally Work on HVAC/R Systems with the 28-Day Field-Proven Retention Protocol. Leave Stress Behind and Build Confidence, Even If You Hate Tests or Have No Time.
EPA 608 Certification Prep for HVAC Techs: Master the Exam Fast with the Field-Proven 28-Day Plan, 1000+ Practice Questions & Clear, No-Fluff Explanations That Build Confidence and Real Results
The Universal One
The Universal Christ: How a Forgotten Reality Can Change Everything We See, Hope For, and Believe
Building ENERGY STAR scores: good idea, bad science: A critical analysis of the science that underpins the EPA's building ENERGY STAR benchmarking score
