The Delaware Master HVACR Contractor Exam Book Package from 1 Exam Prep is a comprehensive exam preparation resource designed for individuals preparing to take the Delaware Master HVACR Contractor licensing exam.

This package includes approved reference materials commonly used in PSI-based open-book HVACR licensing exams and focuses on essential topics such as heating and cooling systems, refrigeration principles, fuel gas systems, boiler operations, duct design, load calculations, ventilation requirements, mechanical code compliance, and HVAC safety standards.

Designed to improve code navigation skills and exam readiness, the 1 Exam Prep Delaware Master HVACR Contractor Exam Book Package helps HVAC professionals strengthen their understanding of mechanical, refrigeration, and fuel gas code requirements used in residential and commercial HVACR applications.

📚 What’s Included

✅ Books Allowed Into the Exam

✅ International Mechanical Code (IMC), 2018

Comprehensive mechanical systems code covering:

• HVAC equipment installation
• Mechanical ventilation systems
• Duct systems and air distribution
• Refrigeration system requirements
• Combustion air standards
• Heating and cooling equipment regulations
• Commercial and residential HVAC applications
• Mechanical code compliance standards

💡 Essential reference for HVAC installation and mechanical code compliance.

✅ International Fuel Gas Code (IFGC), 2018

Industry-standard fuel gas systems code covering:

• Fuel gas piping systems
• Gas appliance installation requirements
• Combustion air standards
• Venting and chimney requirements
• Fuel gas safety procedures
• Gas pipe sizing methods
• Residential and commercial fuel gas systems
• Fuel gas code compliance standards

💡 Critical reference for fuel gas installation and HVAC safety compliance.

✅ Low Pressure Boilers, 5th Edition

Comprehensive boiler systems reference covering:

• Boiler operation fundamentals
• Steam and hot water heating systems
• Boiler maintenance procedures
• Combustion systems and controls
• Boiler safety practices
• Pressure and temperature controls
• Boiler troubleshooting methods
• Hydronic heating applications

💡 Valuable resource for understanding low pressure boiler systems and operations.

✅ Modern Refrigeration and Air Conditioning, 22nd Edition

Comprehensive HVACR systems reference covering:

• Refrigeration cycle fundamentals
• Air conditioning systems
• Heat pump operations
• HVAC electrical controls
• Refrigerant management
• System diagnostics and troubleshooting
• Heating and cooling service procedures
• Commercial refrigeration applications

💡 Essential resource for refrigeration and HVAC exam preparation.

✅ Ductulator

Professional duct sizing tool used for:

• Duct sizing calculations
• Airflow measurement
• Friction loss calculations
• Ventilation system design
• HVAC airflow balancing

💡 Essential field tool for duct design and airflow calculations.

✅ Residential Load Calculation – Manual J, 8th Edition

Industry-standard residential HVAC load calculation reference covering:

• Residential heating load calculations
• Cooling load calculations
• Building heat gain analysis
• Equipment sizing procedures
• Airflow calculation methods
• Energy efficiency considerations
• Residential comfort system design
• HVAC performance optimization

💡 Critical resource for residential HVAC system sizing and design exam topics.

🔧 What This Package Helps You Learn

HVACR System Fundamentals

Develop a strong understanding of:

• Heating and cooling system operation
• Refrigeration cycle principles
• Air conditioning systems
• Heat pump systems
• HVAC controls and troubleshooting
• Mechanical ventilation systems

Residential HVAC Design & Load Calculations

Learn essential HVAC design concepts including:

• Residential heating and cooling load calculations
• Equipment sizing procedures
• Airflow balancing methods
• Duct sizing techniques
• Ventilation calculations
• Energy efficiency applications

Fuel Gas & Boiler Systems

Strengthen your understanding of:

• Fuel gas installation methods
• Combustion air requirements
• Boiler operations and maintenance
• Hydronic heating systems
• Gas piping installation standards
• Heating equipment safety procedures

Mechanical Safety & Code Compliance

Master critical safety and compliance concepts including:

• HVAC jobsite safety
• Fuel gas safety standards
• Refrigerant handling procedures
• Mechanical code requirements
• OSHA compliance awareness
• Safe HVAC installation practices

🎯 Who This Package Is For

• Individuals applying for the Delaware Master HVACR Contractor License
• HVAC service technicians
• Refrigeration technicians
• Boiler and hydronic heating professionals
• Fuel gas installation technicians
• HVAC contractors and installers
• Apprentices preparing for Delaware HVACR licensing exams

🚀 Why Choose 1 Exam Prep

At 1 Exam Prep, we specialize in helping contractors and skilled trades professionals pass their licensing exams and build successful careers. Our exam prep packages are designed around:

• Actual Delaware licensing requirements
• Real-world HVACR applications
• Code-based exam preparation
• Practical field knowledge
• Proven trade-focused study strategies

We understand that passing an open-book HVACR exam requires more than simply owning the books—you must know how to navigate them efficiently and apply the information correctly under timed testing conditions.

That’s why our packages are built to help you improve both speed and understanding.

💡 Important Exam Insight

The Delaware Master HVACR Contractor Exam is an open-book exam, meaning approved reference materials are allowed inside the testing center.

Candidates who become familiar with navigating the IMC, IFGC, Manual J calculations, refrigeration references, boiler system concepts, and duct design standards are typically much more successful during the exam and more confident when performing real-world HVACR work afterward.