The ACCA Ductulator—officially titled the ACCA Duct Calculation Slide Rule—is a mechanical duct-sizing tool developed by the Air Conditioning Contractors of America (ACCA). It is a slide-rule-style calculator designed for HVAC professionals to assist in accurate duct sizing for residential and light commercial air distribution systems, using methods outlined in ACCA Manual D. This tool has been widely used since its introduction and remains a staple in the HVAC industry due to its simplicity, accuracy, and portability.
Key Aspects:
Duct Sizing for Round and Rectangular Ducts
Quick Manual Calculations
Adjustable Friction Rate
Air Velocity Reference
Equivalent Rectangular Sizing
Highlights:
Designed to Work with ACCA Manual D
Lightweight, Portable, Durable
Helps size ducts to balance efficiency, noise levels, and velocity.
Useful for fitting ducts into architectural constraints.
Key Features & Benefits
Comprehensive Coverage:
The ACCA Ductulator is a field‑theoretical tool used in performing ACCA Manual D based duct sizing calculations quickly. Here’s a deep dive into its comprehensive coverage—features, functionality, supported systems, and instruction manual scope.
Practical Application:
The practical application of the ACCA Duct Calculation Slide Rule (Ductulator) is to quickly and accurately size HVAC ductwork in the field or during system design, following the standards in ACCA Manual D. It is used by HVAC professionals—installers, designers, and inspectors—for real-time calculations without the need for software or extensive chart lookups.
Licensing Exam Preparation:
The ACCA Duct Calculation Slide Rule (Ductulator) is a critical tool used to prepare for HVAC licensing and certification exams—especially those involving duct design and system sizing, such as those based on ACCA Manual D.
Visual & Organizational Tools:
The ACCA Duct Calculation Slide Rule is a mechanical, circular slide rule specifically designed for manual duct sizing and airflow calculations in HVAC systems. Its visual and organizational tools are simple but highly effective, making it a practical field tool that aligns with ACCA Manual D procedures.
Publisher Information
Designed by Hank Rutkowski, a licensed professional engineer and a prominent figure in the HVAC industry. Rutkowski has authored several technical manuals, including those published by the Air Conditioning Contractors of America (ACCA), such as Manuals J, D, N, and Q. His work focuses on providing standardized methodologies for HVAC system design, aiming to improve system performance and energy efficiency.
Book Details
Publisher: The Air Conditioning Contractors of America Association, Inc.
Edition/Release Date: First published in 1990
ISBN: 978-1892765147
Format: Paperback / Softbound
Target Audience: Professionals
Pricing & Purchase Information
• Price: $65.99
• Shipping: Free shipping on orders over $250. • Formats Available: Physical Book
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