The information in this website is intended for users with good working knowledge of HVAC design. It is assumed that the user knows how to manually performing the involved calculations and that the CalcSheets only automated that process. User should check to ensure that all results are correct. The developers of the CalcSheets and this website are not liable for any damages incurred through the use of information from them. Users discretion is advised.

The following should be observed and accepted by all users of our CalcSheets, and this website:
1) User shall use CalcSheets at his/her discretion and is responsible for verifying and backchecking all their results. It is assumed that the user has good working knowledge of the calculations involved with these spreadsheets.

2) It's the user's responsibility to check all calculations and that the CalcSheets are used correctly.

3) We are not responsible for any lost of data or liability incurred through the use of information in this site or the CalcSheets.

4) Information from our CalcSheets and this website should only be used as a general guide in the design. Others factors that influence the results of the calculations might not be accounted (e.g. elevation, temperature, viscosity, etc.). User should be aware of these factors and use the information from the CalcSheets and this website accordingly.
 Disclaimer:
The following are the terms and conditions of our User Agreement. By purchasing or using our CalcSheet(s), user has accepted our User Agreement.

1) All of our CalcSheets are provided as is without warranty of any kind. You, the user, are assuming the entire risk as to their accuracy, quality, performance, and fitness for a particular use. In no event will HVACnotebook.com or its developers be liable for any damages resulted from the use of our CalcSheet(s) and data stored in or used with the CalcSheet(s), including the costs of recovering such data.

2) Available Versions:
Single-User Standard Version - Intended for a single-user and is non-transferable. User shall no sell, share, reproduce, transfer, or distribute copies of our CalcSheet(s) to others. An unique identification number is issued with each CalcSheet purchased.

Company Standard Version - Intended for multiple-users within the same company. Users shall no sell, share, reproduce, transfer, or distribute copies of our CalcSheet(s) to others outside the company. An unique identification number is issued with each CalcSheet purchased.

Unlocked Version - User can view, modify, and copy all formulas, VBA and Macros. Contact us for pricing.

3) Like any electronic files, there are chances that your CalcSheet(s) might became corrupted over time. We strongly suggested that you backup your files regularly and print out copies of your CalcSheet(s) for record keeping. Again, we are not liable for data loss in your CalcSheet(s). We can not and do not recover data in your CalcSheet(s).

4) If you found any errors in the CalcSheet(s), please email us with your findings and we will correctly them (if possible) and send you a revised/updated version at no additional cost. If your CalcSheet(s) became corrupted and you notified us within the first three (3) months of purchase, we will send you another copy at no additional cost.
 User Agreement / Terms and Conditions:
(PDF Version)
Disclaimer