Configure the Settings to impact your Design and Calculations.
The Settings section is initially auto-filled based on the selected Template and/or Region during the project setup.
h2x follows a range of International Standards which can be found in the Methods section in Settings.
Vent Air Changes Rate Standards:
CIBSE 2016
MCS Pre 2000
MCS Post 2000
MCS Post 2006
UK Building Regs 2021 (Part F) Dwellings
UK Building Regs 2021 (Part F) Non Dwellings
ASHRAE 62.1 2022
AS 1668.2-2012
Heating Air Changes Rate Standards:
CIBSE 2016
MCS Pre 2000
MCS Post 2000
MCS Post 2006
UK Building Regs 2021 (Part F) Dwellings
UK Building Regs 2021 (Part F) Non Dwellings
ASHRAE 62.1 2022
AS 1668.2-2012
District Heating:
CIBSE CP1 - Objective 3.2
Peak Flow Rate Calculation Methods:
AS3500 2021 Loading Units
Barrie's Book Loading Units
HCAA
CIPHE
BS 806
BS 8558
DIN 1988-300 - Residential
DIN 1988-300 - Hospital
DIN 1988-300 - Hotel
DIN 1988-300 - School
DIN 1988-300 - Office
DIN 1988-300 - Assisted Living
DIN 1988-300 - Nursing Home
International Plumbing Code 2018 Flushometer
International Plumbing Code 2018 Flush Tanks
International Plumbing Code 2018 (Tanks and Valves)
Uniform Plumbing Code 2018 Flushometer
Uniform Plumbing Code 2018 Flush Tanks
Indian Standard Flush Tank Private
Indian Standard Flush Tank Public
Indian Standard Flush Valve Private
Indian Standard Flush Valve Public
AS3500 2021 Dwellings
Barrie's Book Dwellings
Gas Calculation Method:
International Fuel Gas Code Equation 2018
Drainage Calculation Methods:
AS/NZS3500.2:2021 Fixture Unit
EN 12056-2:2000 Discharge Unit
2018 UPC Drainage Fixture Unit
National Building Code of India 2016 - Flush Tank Private
National Building Code of India 2016 - Flush Tank Public
National Building Code of India 2016 - Flush Valve Private
National Building Code of India 2016 - Flush Valve Public