| >About to install a new kitchen. I want to install a "canopy" cooker hood
extracting to the
| >outside. This means that the ducting would need to come off the hood top,
| >have a 90deg bend and run horizontally for about 1.5m (including through the
| >another 90deg bend and through the outhouse wall, with a suitable grille.
| >Help wanted....
| >1. Can I gen a hood that has no fan, just the filters and lights and put a
| >towards the outside end of the ducting or a suitable fan built into the
outer-end of the
| >2. General advice please on duct sizes and fan specs? (I'm assuming a 6"
| >3. Anything building regs to watch for?
| As I said to someone else recently in connection with a bathroom, I
| suggest you download the zipped ducting.pdf from
| www.domusventilation.com which is both a parts list with prices and a
| user guide to help work out your requirements. I ended up buying one
| of their kits (through a local builders merchants) for large
| cross-section ductring for our new cooker hood - a flexible vertical
| round section connected to horizontal rectangular ducting plus grill
| and flap valve.
Thanks for this. Looks like I'm facing 110Pa at 60l/sed. Now if all the hood
their flow characteistic graphs on the web, life would be much easier. As it
is, seems only
Xpelair have graphs.