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- ANSI/CSA/IGSHPA C448 Series-16 Bi-National American–Canadian Standard (#21036)
- Manual Sets – 4 Documents (#21000)
- CLGS Installation Guide (#21020) (The “original” Installation Guide)
- Design and Installation Standards
- Understanding Geothermal Exchange Heating and Cooling (#21070)
ANSI/CSA/IGSHPA C448 Series-16 Bi-National American–Canadian Standard (#21036)

Design and installation of ground source heat pump systems for commercial and residential buildings
This is the first edition of the binational ANSI/CSA C448 Series, Design and installation of ground source heat pump systems for commercial and residential buildings. It supersedes the previous editions published in 2013 and 2002 under the title, Design and installation of earth energy systems.
Read the full END USER COPYRIGHT LICENSE AGREEMENT
Publication type: PDF
- Member Price: $100.00. Order ANSI/CSA/IGSHPA C448 Series-16 (member price)
- Non-member Price: $155.00. Order CLGS Installation Guide (non-member price) (will be redirected to CSA Group).
- Free view access at community.CSAGroup.org (a free CSA Communities account is required).
Manual Sets – 4 Documents (#21000)
Weight: 10 lbs.
An IGSHPA manual set includes four (4) of IGSHPA’s training manuals:
- Residential and Light Commercial Design and Installation Manual,
- Slinky™ Installation Guide,
- Soil and Rock Classification Field Manual,
- Grouting for Vertical Heat Pump Systems.
- Member Price: $219.00. Order Manual Sets (member price)
- Non-member Price: $286.50. Order Manual Sets (non-member price)
Residential and Light Commercial Design and Installation Manual (#21025)

Weight: 5 lbs.
This 560-page manual is the latest and most comprehensive textbook available for the design and installation of residential and light commercial GSHP systems. Numerous illustrations, charts, diagrams, and tables support and expand the informative text.
- Member Price: $90.00. Order RLC Manual (member price)
- Non-member Price: $125.00. Order RLC Manual (non-member price)
- PDF Version: $62.50. Order the PDF Download of the RLC Manual
- Download the November 2021 updates to download the November 2021 updates to this manual.
Chapter headings include:
- The case for ground source heat pumps
- Heating and cooling design load calculations
- Piping materials, properties and flow characteristics
- Configuration and layout of closed-loop ground heat exchangers
- Flushing and purging the GSHP system, heat pump start-up and check-out
- Troubleshooting
Design examples, worksheets, a glossary of terms and a comprehensive index are also included.
Slinky™ Installation Guide (#21050)

Weight: 1 lb.
Written primarily for installers and designers, this one-of-a-kind 60-page manual is the definitive guide for installing Slinky™ heat exchangers. Well-illustrated with drawings and photographs, the manual explains each step of Slinky™ installation from design to trench excavation. Section titles include Slinky™ ground heat exchanger design, pipe material selection and standards, coil configurations, forming the circular heat exchanger, installation, and excavation safety.
- Member Price: $40.00. Order Slinky™ Installation Guide (member price)
- Non-member Price: $50.00. Order Slinky™ Installation Guide (non-member price)
- PDF Version: $25.00. Order the PDF Download of the Slinky™ Installation Guide
Soil and Rock Classification Field Manual (#21060)

Weight: 1 lb.
This 55-page manual provides a simple classification system which allows the non-geologist to identify soils and rocks in the field and assign them thermal property values for use in GHP system design. Topics covered include properties of soils, classification of soils, field identification procedures, selection of thermal conductivity values utilizing available information, identification of petrologic groups for design purposes, and definitions of petrologic groups.
- Member Price: $35.00. Order Soil and Rock Classification Field Manual (member price)
- Non-member Price: $45.00. Order Soil and Rock Classification Field Manual (non-member price)
- PDF Version: $22.50. Order the PDF Download of the Soil and Rock Classification Field Manual
Grouting for Vertical GHP Systems (#21015)

Weight: 1 lb.
This all new manual was designed to provide the GHP industry a through understanding of grouting procedures for vertical installations. Included in the manual: appropriate grouting materials, common borehole sealing methods, borehole thermal remittance, pre-grouting activities, field grouting procedures and much more.
- Member Price: $35.00. Order Grouting for Vertical GHP Systems (member price)
- Non-member Price: $45.00. Order Grouting for Vertical GHP Systems (non-member price)
- PDF Version: $22.50. Order the PDF Download of the Grouting for Vertical GHP Systems
CLGS Installation Guide (#21020): (The “original” Installation Guide)

Weight: 1 lb.
This 236-page manual was the original basic textbook for the design and installation of GSHP systems. Written in 1988, it contains numerous illustrations, charts, diagrams, and tables support and expand the informative text.
- Member Price: $70.00. Order CLGS Installation Guide (member price)
- Non-member Price: $100.00. Order CLGS Installation Guide (non-member price)
Chapter headings include:
- Economics, marketing, and demand reduction
- Selecting, sizing, and designing the heat pump system
- Pipe joining methods
- Designing the ground heat exchanger
- Insulating the heat exchanger
- Flushing and purging the GHP system heat pump start-up and check-out
Case studies of residential retrofits, a rural electric cooperative’s perspective, a glossary of terms, references, and a comprehensive index are also included.
2017 Design and Installation Standards
Weight: 1 lb.
IGSHPA Standards Committee Mission:
The objective of this committee is to write industry standards that:
- help protect the environment and our natural resources,
- help to ensure the thermal performance of the critical components of the system, and
- are written in such a manner as to allow for new innovations and ideas that might improve the first two objectives.
IGSHPA has led the way in providing a complete set of standards for GHP 25systems. This 2017 updated edition incorporates all the changes recommended by the IGSPA Standards Committee since 1994, and is a must for everyone involved in the GHP industry. This manual covers design and installation standards for closed-loop ground heat exchangers, pipe placement and backfilling, indoor piping and circulation systems, geothermal heat pumps, and site planning, records, and restoration.
NOTE: The 2017 Standards will be sunset when the next edition of ANSI/CSA/IGSHPA C448 Standard is published.
Understanding Geothermal Exchange Heating and Cooling (#21070)

This manual is a comprehensive, yet concise (55 page) primer on ground source or geothermal exchange systems. Written for the building owner or business leader new to ground source heat pumps, this booklet serves as a terrific handout to give to a serious prospective customer. Rich in simple illustrations, the manual covers all major aspects of GSHP systems including why these systems make so much sense, the different types of systems, various ground loop configurations, how a heat pump works, various types of distribution systems, factors impacting system choices, working with bidders/contractors or with building owners, and more.
- Member & Non-member Price: $20.00. Order Understanding Geothermal Exchange Heating and Cooling
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