This publication provides over 250 pages of technical guidance for professional engineers and construction managers engaged in design and construction of high temperature water systems for buildings and related infrastructure. Here is what is discussed: 1. INTRODUCTION TO CENTRAL HEATING PLANTS, 2. CHEMICAL CLEANING OF INDUSTRIAL WATER SYSTEMS, 3. HIGH TEMPERATURE WATER SYSTEMS PLANNING, 4. LOAD CHARACTERISTICS, 5. PLANT DESIGN, 6. DISTRIBUTION OF HIGH TEMPERATURE WATER, 7. CONVERSION AND UTILIZATION, 8. HEATING AND COOLING DISTRIBUTION, 9. TREATMENT OF INDUSTRIAL WATER SYSTEMS, 10. UTILIDORS249