My bathroom is a medium size and the current ventilation extractor is an inline loft extractor (Manrose) with two ceiling extraction points, one above the shower with embedded down light and the second in the room nearer the bath and twin sinks. Both points join with a 'Y' connector into the input of the fan and the ducting and all fittings are 4" (100 mm).
I feel that the setup is not powerful enough and over time has reduced in performance as holding a tissue to the vent does not hold it up and I get significant condensation on the walls, ceiling, mirrors and windows. The bathroom and extraction system was installed around 16 years ago. I am intending to replace it with new but wanted to get some advise.
1. Current output of the extractor fan goes to a 4" spigot vent grill with flexible ducting laid on the loft insulation, with the vent exiting from the roof soffit where the grill is connected. Is an exit through a soffit with the 4" ducting connecting to the grill that is attached to the soffit facing down an acceptable approach, as I do not have any gable ends so cannot exit through any wall?
2. Should I use rigid plastic, flexible plastic or aluminium insulated flexible ducting?
3. Is it acceptable to have multiple ceiling extraction points on the same extractor fan using 'Y' connectors or on the same ducting line providing the fan is powerful enough, noting that the current setup has 2 points already?
4. I looking to install a small en suite to a neighbouring bedroom which will have its own ceiling extraction point - can I connect this as a third point to the same inline extractor fan and have a two-way switch for the fan?
5. I'm also looking to uprate from 4" to either a 5" or 6" ducting and fan, dependant on whether the soffit can take the vent grill for this bigger size - is this is good idea for better air flow?
6. Should I also install a condensation trap to the system or would a downward slope from fan to exit be sufficient?
7. Lastly, can you suggest the best manufacturers of inline extractor fans in the UK, e.g. manrose, Kair?
Thanks
I feel that the setup is not powerful enough and over time has reduced in performance as holding a tissue to the vent does not hold it up and I get significant condensation on the walls, ceiling, mirrors and windows. The bathroom and extraction system was installed around 16 years ago. I am intending to replace it with new but wanted to get some advise.
1. Current output of the extractor fan goes to a 4" spigot vent grill with flexible ducting laid on the loft insulation, with the vent exiting from the roof soffit where the grill is connected. Is an exit through a soffit with the 4" ducting connecting to the grill that is attached to the soffit facing down an acceptable approach, as I do not have any gable ends so cannot exit through any wall?
2. Should I use rigid plastic, flexible plastic or aluminium insulated flexible ducting?
3. Is it acceptable to have multiple ceiling extraction points on the same extractor fan using 'Y' connectors or on the same ducting line providing the fan is powerful enough, noting that the current setup has 2 points already?
4. I looking to install a small en suite to a neighbouring bedroom which will have its own ceiling extraction point - can I connect this as a third point to the same inline extractor fan and have a two-way switch for the fan?
5. I'm also looking to uprate from 4" to either a 5" or 6" ducting and fan, dependant on whether the soffit can take the vent grill for this bigger size - is this is good idea for better air flow?
6. Should I also install a condensation trap to the system or would a downward slope from fan to exit be sufficient?
7. Lastly, can you suggest the best manufacturers of inline extractor fans in the UK, e.g. manrose, Kair?
Thanks
