I often use these used server fans. With a little modification you get cheap high quality fan.
https://www.servershop24.de/komponenten/luefter/hp/hp-gehaeuse-luefter-ml370-g5-384884-001-409421-001/a-108820/

Basic surge protector for outlet is fine up to 3600W 230v.
http://www.apc.com/shop/fi/en/products/APC-Essential-SurgeArrest-1-outlet-230V-Germany/P-P1-GR

not true, good quality sleeve bearings can last years but cheap sleeve bearings doesn't last long.
Cooler Master fans have quality sleeve bearings.

Why does that "Delta" fan is identical to Nidec VA450DC 
Nidec fan: http://www.nidec.com/en-EU/product/fan/category/F010/G090/P2000430/

Delta ffc series picture http://g02.a.alicdn.com/kf/HTB10EtaIXXXXXXeXXXXq6xXFXXXT/Free-Shipping-Original-Delta-FFC1212DE-S96P-12CM-120mm-12038-DC-12V-2-4A-industrial-server-inverter.jpg

I found out that ASTEC makes 833A 12V psu for industrial use, that's 10,000W!!

http://www.astecpowersupply.com/product_catalog_sec2.php

"these units are featured with internal forced air-cooling" pretty loud I guess.

Yes you can run them from 240v outlet http://www.blackarrowsoftware.com/download/LCS1409301332S.pdf