Hi Derek just passed all my gas reassessment exams and wanted to say Thankyou. Your videos have been fantastic for preparing me to take the exam and practical again. Brilliant you take the time to make these videos. Thankyou 👍🏻

very helpful videos Derek . Thank you for your time and energy . love all the videos i have seen so far and look forward to all that follows. Keep up the good work

Interesting. One to get your head around. Looked *REALLY* confusing at first. However, like always, after watching your videos from start to finish I find that you explain it well with great examples. I’m glad I can access these videos at any time. Much appreciated. Thanks Derek 👍🏻 Asian Jon. Training.

Well explained 👍 I had a conversation with gas safe regarding this in. gas safety check, and they confirmed it as NCS as the room size was correct. Problem is the appliance can't be replaced As it currently is!

Just heads the dilemma on a land lord, thanks again on deciphering the TB05a in working practical form

Another excellent video Derek & well explained, your maths is brilliant I'm not that Good with maths so we're in the same boat, why are building regs making things complicated, the 2 windows was a better idea. Good video.. 👍😁👌

Nice easy way of working out fractions have a good week

Awesome lecture about grey area of ventilation

Thanks for taking the time to do this it's appreciated

Another great video, thanks Derek 👍

Very helpful video. Thanks again

Thanks for this, I've been struggling with internal kitchens for the past 8 years! If the door is big enough can this cover the ventilation requirements alone or does there have to be a window/vent? I was to install a cooker in a kitchen last week that had a conservatory to the rear and a porch to the front and living room off to one side. There were no windows or vents into any of the rooms, combined floor area was probably 36m².

What are the new/amended regs as gas safe have withdrawn all version of TB 005?

Good work. Many thanks.

I love the videos but I have to correct a mistake.TB 005(a) I believe says that the extractor fan must be capable of moving 30 litres per second not a minute and 60 litres per second if not adjacent the cooker or hob. My question is if the extractor is connected to a class 1 chimney is that considered as going to outside? My thinking it would very likely not work as the fan would not be powerful enough to force the flumes up the chimney any thoughts.

I just removed a window to get the installer to fit the gas cooker, then reinstalled it when he left.

What if you remove the door between the kitchen and conservatory?

👍 Sue Warrington

Thank you for your video. Always top. Can you tell please where I can download these British standards for ventilation and chimneys. Many thanks

Very useful.

Excellent 💐💐

Got this on my ACS guys 😁

I was taught recently at college part F is for FANS

Very good vid

Hi mate have you done a video of how to correctly analsyer a cooker to get the ratios?

For to watch this video a couple of times to understand but thanks

If you can still get an air vent fitted direct to outside air or a ducted vent to outside air of 100cm cubed wouldn’t that satisfy?

Kitchen between 5and10 and haven’t got ventilation with a door direct to outside nil and without a door is 50cm2 right? You said 100 I’m looking in the viper am I wrong?

👍👍👍 Del boy

Tomkat👍🏻

👍👍

This is always a pain in the backside for customers.

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Just watched Aaron trainee 😁

Jon-Paul Ward

What a weird one !

Callum Collins - Tomkat Training

👍🤓👍

Marcin Masalski

Raza watched 22/04/2022

CH👍

Mike Fahy

I didn't think extractor fan is acceptable means of ventilation it's taking air from room whilst appliance is on