Now you are eligible FREE SHIPPING
Couldn't load pickup availability
CALL TO ASK ABOUT FINANCIAL ASSISTANCE
Prepare with confidence and pass your Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Exam with our expertly organized Highlighted & Tabbed Book Package—designed specifically for Connecticut’s open-book HVAC and refrigeration contractor licensing exam format. This complete package includes the essential references commonly used for the exam, professionally highlighted and pre-tabbed to help you quickly locate critical information, improve testing efficiency, and maximize your performance on exam day.
Whether you work in residential or commercial HVAC systems, refrigeration, ductwork, fuel gas systems, load calculations, or mechanical code compliance, this package provides the technical references and practical industry knowledge needed to succeed both on the exam and in the field.
Every reference in this package is professionally highlighted and pre-tabbed for fast navigation during the exam.
Comprehensive mechanical code reference covering:
HVAC system installation requirements
Ventilation standards
Exhaust and duct systems
Combustion air requirements
Refrigeration system regulations
Mechanical equipment installation standards
Commercial and residential mechanical code compliance
Industry-standard residential HVAC load calculation reference covering:
Residential heating and cooling load calculations
Heat gain and heat loss analysis
HVAC equipment sizing principles
Climate and insulation considerations
Residential airflow requirements
Energy-efficient system design
Commercial HVAC load calculation reference covering:
Small commercial building load calculations
Occupancy and equipment heat gain analysis
Ventilation and airflow calculations
Commercial HVAC sizing methods
Energy efficiency considerations
Commercial comfort system design
Critical fuel gas installation and safety code covering:
Fuel gas piping systems
Gas appliance installation requirements
Venting systems and combustion air
Gas pressure regulations
Safety and inspection requirements
Residential and commercial fuel gas compliance
Essential construction safety standards covering:
HVAC jobsite safety requirements
Personal protective equipment (PPE)
Ladder and scaffold safety
Electrical hazard protection
Excavation and confined space standards
OSHA compliance for mechanical contractors
Comprehensive HVAC/R training and technical reference covering:
Refrigeration cycle fundamentals
Air conditioning system operation
Heating system technologies
Troubleshooting and diagnostics
Refrigerant handling procedures
Electrical controls and components
Commercial and residential HVAC applications
Industry-standard duct sizing tool covering:
Duct sizing calculations
Airflow design
Friction loss calculations
Velocity and pressure measurements
HVAC duct system efficiency
Professional duct construction reference covering:
Metal duct fabrication standards
Flexible duct installation requirements
Duct reinforcement and sealing methods
Commercial and residential duct construction
HVAC airflow and system performance standards
LP gas safety and installation code covering:
Propane gas systems
LP gas storage and handling
Installation safety requirements
Fuel gas equipment standards
Inspection and compliance procedures
All books in this package are professionally highlighted and pre-tabbed to help you quickly locate important code sections, formulas, tables, and technical references during the exam.
Our tabbing system is specifically designed to improve navigation speed and reduce time spent searching through materials during testing.
Connecticut contractor licensing exams test your ability to quickly locate and apply mechanical, HVAC, refrigeration, and fuel gas code information.
Our professionally designed highlighting and tabbing system helps you:
Navigate HVAC and mechanical codes faster
Locate formulas and technical references quickly
Improve speed and accuracy during testing
Reduce wasted time searching through books
Stay organized and focused throughout the exam
These references help build real-world HVAC and refrigeration knowledge by covering:
Residential and commercial HVAC systems
Refrigeration cycle operation and troubleshooting
Mechanical code compliance
Fuel gas systems and safety standards
Duct design and airflow calculations
Heating and cooling load calculations
OSHA construction and workplace safety
This package supports the scope of work covered under the Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) License, including:
HVAC system installation and service
Air conditioning and refrigeration systems
Commercial and residential heating systems
Fuel gas piping and appliance installation
Mechanical ventilation systems
Ductwork fabrication and installation
Refrigeration troubleshooting and repair
Mechanical code compliance and inspections
Contractors applying for the Connecticut D-1 License
HVAC installation and service technicians
Refrigeration system professionals
Mechanical contractors and apprentices
Commercial and residential HVAC specialists
Individuals preparing for the Connecticut contractor licensing exam
Contractors looking for a faster and more organized exam preparation system
Passing the Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Exam starts with having the right references—and knowing how to use them efficiently.
With professionally highlighted and tabbed books, you’ll spend less time searching and more time answering questions confidently.
Get your Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Highlighted & Tabbed Book Package today and take the next step toward becoming a licensed HVAC and refrigeration contractor in Connecticut.