Using 4DFlo to design your building

Weather file selection

Unit selection



Occupancy and internal heat gains

User details


Once you have configured your room, use the 'Calculate' button, to see an analysis of your results. Then check your email for more information on BB101, making your design as efficient as possible and contact details for our dedicated design team.

Please note that our email may have been filtered as spam, be sure to check your junk folder should it not show in your inbox.

Number of hours above acceptable temperature: {{ results.hoursAboveAcceptableTemperature }}

Max weighted exceedance: {{ results.maxWeightedExceedance }}

Number of hours above upper limit temperature: {{ results.hoursAboveUpperLimitTemperature }}

Max temp difference between inside and outside: {{ results.maxTemperatureDifferenceInsideOutside }}

BB101 Result: {{ results.bb101Result }}