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Refrigerant Charging and Service Procedures for Air Conditioning

Active Solar Collectors and Their Applications

Inverter Mini Split Operation and Service Procedures

Cycles of Time: An Extraordinary New View of the Universe

How Much Is Clean Air Worth?: Calculating the Benefits of Pollution Control

The Problem of Increasing Human Energy: With Special Reference to the Harnessing of the Sun's Energy

Engineering Physics

The Feynman Lectures on Physics, Vol. I: The New Millennium Edition: Mainly Mechanics, Radiation, and Heat

Factory Acceptance Testing (FAT) for Boilers

Section 608 Certification Exam Preparatory Manual - 9th Edition V2

The True Wireless

Energy and Civilization: A History

UNIVERSE

Crystal Healing: The Ultimate Guide on the Power of Crystals (Harness the Power of Crystals and Sacred Geometry for Manifesting Abundance)

Crystal Healing: Heal Yourself With Crystals and Healing Stones (Strategies to Transform Your Health With the Power of Stone Magic)

Crystal Healing: A Beginners Guide on Using Earth Energies for Healing (How to Use Stress and Anxiety Management, and Development of Your Intuition)

Energy for Future Presidents: The Science Behind the Headlines

Quick Quide to the Refrigeration Cycle, Refrigerants and Components: A Supplement to the EPA Section 608 Certification Exam Preparatory Manual

The Janus Point: A New Theory of Time