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These tools and materials support HVAC service procedures and many are referenced in our HVAC service training books and training classes. Materials include superheat and subcooling calculators, gas manifold calculators and chiller maintenance logs.


Experience Level

Materials range from Fundamental Topics (1) to Advanced Topics (4) and are noted accordingly with a   


Available Items for this Category


charts, calculators, tools Charts, calculators and tools to support this training program are available.

Item Descriptions


   Superheat/ Subcooling Charging Calculator/Slide Rule for R-410A Systems

  HVAC Training Tool
Catalog No. 020-517

Slide rule helps calculates proper charge for R-410A systems with TXV metering device (subcooling method) or non-TXV metering devices (superheat method).

Price: $4.00

   Refrigerant R-22 Superheat/ Subcooling Charging Calculator/Slide Rule

  HVAC Training Tool
Catalog No. 020-434

Slide rule helps calculates proper charge for R-22 systems with TXV metering device (subcooling method) or non-TXV metering devices (superheat method).

Price: $4.00

   Puron® Subcooling Calculator

  HVAC Training Tool
Catalog No. 06-020-640

Puron® R-410A on one side and R-22 on the other. Also includes TXV troubleshooting tips.

Price: $4.00

     Pocket Service Card for HFC-134a Systems

  HVAC Training Tool
Catalog No. 020-500

For field superheat/Subcooling charging. Also contains temperature-pressure charts for HFC refrigerants (package of 10).

Price: $7.00

     Pocket Refrigerant Service Card For HCFC-22 Systems

  HVAC Training Tool
Catalog No. 020-499

For field superheat/Subcooling charging. Also contains temperature-pressure charts for HCFC refrigerants (package of 10).

Price: $7.00

       Absorption Machine Equilibrium Chart with PIC

  HVAC Training Tool
Catalog No. 020-516

This is an important tool for troubleshooting both single and double-effect absorption machines equipped with Product Integrated Controls (PIC). Universal charts based on McNeeley equations are used to plot absorption machine cycles, to find absorber loss, and help diagnose problems. Its extended range allows plotting of all double-effect absorption machines. (Laminated Chart)

Price: $7.25

       Absorption Machine Equilibrium Pad with PIC

  HVAC Training Tool
Catalog No. 020-501

This is an important tool for troubleshooting both single and double-effect absorption machines equipped with Product Integrated Controls (PIC). Universal charts based on McNeeley equations are used to plot absorption machine cycles, to find absorber loss, and help diagnose problems. Its extended range allows plotting of all double-effect absorption machines. (pad of 25 charts)

Price: $6.00

       Chiller Maintenance Log (Pad of 25)

  HVAC Training Tool
Catalog No. 020-117

Presents typical chiller operation, operation checks, symptoms of common problems, troubleshooting examples and exercises. This advanced program assumes the student has an understanding of basic principles of chiller operation. It features a typical job visit and use of a maintenance log to compare design temperatures to actual system readings.

Price: $7.50

     Natural Gas Furnace Manifold Pressure Calculator

  HVAC Training Tool
Catalog No. 020-444

Uses slide rule calculator to determine Gas Furnace Manifold Pressure in residential furnace applications.

Price: $4.75

How to Order

Ordering Training Materials

Orders can be placed by phone, fax, mail or email.

Click here to download an editable PDF form. Complete the order form with the quantity, catalog number and item title.

Faxed orders can be sent to: 860-660-6087.

Emailed orders can be sent to: [email protected]

Mailed orders can be sent to: Carrier University, Bynum Training Center, PO Box 4808, Syracuse, NY 13221-4808.

Toll-free contact for questions call 800-644-5544 and select Option 2.

Methods of Payment

Credit Card

Please complete a literature order form with all necessary information and return to Carrier University to obtain your order number and total dollar amount. You will be provided a link to our secure site to enter your credit card information. Your order will be shipped upon credit card approval. If you are tax exempt, please provide your tax-exempt certificate.

Check/Money Order

Please complete Literature Order Form with all necessary information and call the Carrier University customer service representative @ 800-644-5544, and select Option 2 or email [email protected] to obtain your total dollar amount including applicable sales tax. Be sure to include your shipping address in order to calculate the sales tax.

Purchase Order

Please complete your PO with the appropriate quantity, catalog number, and description and send to Carrier University. Appropriate total price will be calculated including sales tax and will be billed to the PO. If you are a new customer, a customer service representative will contact you to set up an account. If you are tax exempt, please provide your tax-exempt certificate.