The Connecticut Unlimited Heating, Piping and Cooling Journeyperson (S-2) Exam Book Package from 1 Exam Prep is a comprehensive exam preparation solution designed for individuals preparing to take the Connecticut Unlimited Heating, Piping and Cooling Journeyperson (S-2) licensing exam.

This complete package includes the approved reference materials commonly used on open-book licensing exams and covers critical topics such as HVAC system installation, refrigeration principles, fuel gas systems, hydronic heating fundamentals, duct construction standards, oil-burning equipment, LP gas systems, OSHA safety regulations, and fire prevention standards.

Designed to improve both code navigation skills and practical field knowledge, the 1 Exam Prep Connecticut Unlimited Heating, Piping and Cooling Journeyperson (S-2) Exam Book Package helps HVAC technicians and mechanical trades professionals strengthen their understanding of heating, cooling, piping, and refrigeration systems while building confidence for exam day and real-world service work.

📚 What’s Included

✅ Books Allowed Into the Exam

✅ International Mechanical Code (IMC), 2021

Comprehensive mechanical code reference covering:

• HVAC system installation requirements

• Mechanical equipment regulations

• Refrigeration system standards

• Ventilation and exhaust systems

• Combustion air requirements

• Duct system regulations

• Chimneys, vents, and flues

• Mechanical safety standards

💡 Critical reference for understanding HVAC and mechanical code compliance.

✅ NFPA 54 – National Fuel Gas Code Handbook, 2012

Comprehensive fuel gas safety and installation handbook covering:

• Fuel gas piping systems

• Appliance installation standards

• Venting system requirements

• Combustion air calculations

• Gas leak testing procedures

• Fuel gas safety standards

• Gas system inspections

• Code compliance practices

💡 Valuable reference for mastering fuel gas installation and safety requirements.

✅ NFPA 31: Standard for the Installation of Oil-Burning Equipment, 2011

Professional oil-burning equipment installation standard covering:

• Oil burner installation requirements

• Fuel oil piping systems

• Oil storage tank standards

• Burner controls and safety devices

• Combustion and venting requirements

• Equipment inspection procedures

• Oil burner maintenance practices

• Fire safety standards

💡 Essential resource for safe oil-burning equipment installation and servicing.

✅ Code of Federal Regulations – 29 CFR Part 1926 (OSHA)

Federal construction safety regulations covering:

• Construction site safety standards

• HVAC and piping installation safety

• Personal protective equipment (PPE)

• Hazard communication requirements

• Ladder and scaffolding safety

• Fire prevention procedures

• Confined space awareness

• Workplace safety compliance

💡 Critical safety reference for maintaining OSHA compliance on job sites.

✅ Modern Refrigeration and Air Conditioning, 22nd Edition

Comprehensive HVAC and refrigeration training reference covering:

• Refrigeration cycle fundamentals

• Air conditioning system operation

• Heating and cooling principles

• Heat pump systems

• Refrigerant handling procedures

• Electrical controls and troubleshooting

• HVAC diagnostics and servicing

• Preventive maintenance procedures

💡 Essential resource for mastering HVAC and refrigeration system operation and troubleshooting.

✅ Ductulator

Professional duct sizing calculator covering:

• Air duct sizing calculations

• Airflow and velocity measurements

• Friction loss calculations

• HVAC airflow balancing

• Static pressure considerations

• Residential and commercial duct sizing

• Ventilation system optimization

• Duct system efficiency

💡 Important field tool for proper duct design and airflow calculations.

✅ HVAC Duct Construction Standards, Metal and Flexible, 3rd Edition (2005)

Industry-standard duct construction reference covering:

• Metal duct construction standards

• Flexible duct installation requirements

• Duct reinforcement methods

• Duct sealing and insulation procedures

• HVAC airflow standards

• Duct support systems

• Pressure classifications

• Fabrication and installation practices

💡 Essential reference for proper HVAC duct fabrication and installation standards.

✅ NFPA 58 – Liquefied Petroleum Gas Code, 2014

Professional LP gas code reference covering:

• LP gas storage systems

• Propane installation requirements

• Tank placement standards

• Vaporization systems

• LP gas piping regulations

• LP appliance installations

• Fire and explosion prevention

• LP gas safety procedures

💡 Valuable reference for propane system installation and safety compliance.

✅ NFPA 56: Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping, 2023

Professional fire prevention standard covering:

• Flammable gas piping safety

• Purging procedures

• Fire and explosion prevention methods

• Gas system cleaning standards

• Safe maintenance procedures

• Hazard assessment requirements

• Fuel gas system preparation

• Emergency safety practices

💡 Critical resource for safe gas piping maintenance and fire prevention compliance.

❌ Books Included for Study (Not Allowed Into the Exam)

✅ Modern Hydronic Heating for Residential and Light Commercial Buildings, 2022

Advanced hydronic heating reference covering:

• Hydronic system design

• Boiler piping systems

• Circulator and pump applications

• Radiant heating systems

• System balancing techniques

• Hydronic controls and zoning

• Energy-efficient heating design

• Residential and commercial hydronic applications

💡 Excellent supplemental study resource for understanding hydronic heating system design and operation.

✅ Residential Oil Burners, 3rd Edition

Practical oil burner training reference covering:

• Oil burner fundamentals

• Combustion principles

• Burner controls and operation

• Troubleshooting oil burner systems

• Heating system diagnostics

• Fuel oil delivery systems

• Maintenance procedures

• Efficiency optimization techniques

💡 Valuable study guide for strengthening oil burner troubleshooting and service knowledge.

✅ Steam Plant Operation, 10th Edition, 2017

Comprehensive steam system operations reference covering:

• Steam boiler fundamentals

• Steam system components

• Boiler controls and safety devices

• Steam distribution systems

• Combustion efficiency principles

• Preventive maintenance procedures

• Boiler troubleshooting methods

• Industrial steam plant operations

💡 Important supplemental resource for understanding steam heating systems and boiler operations.

🔧 What This Package Helps You Learn

HVAC, Heating & Refrigeration Fundamentals

Develop a strong understanding of:

• Heating and cooling system operation

• Refrigeration cycle fundamentals

• Heat pump applications

• Ventilation system requirements

• HVAC troubleshooting methods

• Refrigerant system servicing

Fuel Gas, Hydronic & Piping Systems

Learn essential piping and heating concepts including:

• Fuel gas installation standards

• Hydronic heating system fundamentals

• Boiler piping applications

• LP gas system safety

• Combustion air requirements

• Gas piping maintenance procedures

Duct Design & Air Distribution

Strengthen your understanding of:

• Duct sizing methods

• Airflow balancing

• Friction loss calculations

• Duct construction standards

• Ventilation system efficiency

• Static pressure management

OSHA Safety & Fire Prevention Standards

Master critical safety concepts including:

• OSHA construction safety regulations

• Fire and explosion prevention

• HVAC and piping job site safety

• PPE requirements

• Hazard communication standards

• Safe gas piping procedures

🎯 Who This Package Is For

• Individuals applying for the Connecticut Unlimited Heating, Piping and Cooling Journeyperson (S-2) License

• HVAC technicians

• Heating and cooling system service professionals

• Refrigeration technicians

• Fuel gas and piping specialists

• Mechanical system technicians

• Commercial HVAC service professionals

• Apprentices preparing for Connecticut 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 Connecticut licensing requirements

• Real-world HVAC and piping applications

• Code-based exam preparation

• Practical field knowledge

• Proven trade-focused study strategies

We understand that passing an open-book journeyperson 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 specifically designed to help improve both speed and understanding.

💡 Important Exam Insight

The Connecticut Unlimited Heating, Piping and Cooling Journeyperson (S-2) Exam is an open-book exam, meaning approved reference materials are allowed inside the testing center.

Candidates who become familiar with navigating the IMC, NFPA standards, HVAC design references, refrigeration principles, fuel gas safety procedures, and OSHA regulations are typically much more successful during the exam and more confident when performing real-world heating, cooling, piping, and refrigeration service work afterward.