which way to go. conventional or combi?

[nikgibson_1]

Let me first say hello to everyone as i'm new to this site (but now added to favourites).
The reason i came across this site in the first place is that i'm having a rear extension build and need advice on a new boiler/system choice. My original system (please excuse my plumbing ignorance) is a boiler and water cylinder with two tanks in the loft, unfortunalty thats all i can tell you .
Most of the builders have suggested fitting a combi boiler, which i know nothing about so this is why i need to ask you the experts for your opinion !!! if this is the right option?
oh forgot to mention, we live in a three bedroom house with one bathroom and one (future) shower room.

 

[Dan Robinson]

A good output combi should be fine - search the forums and look at the suggestions at the bottom of the screen - there's tons of advise and us lot arguing about which boiler is best.

But this is really the best .

 

[Agile]

Builders are not experienced heating engineers. They like to advise a combi because its easy to fit. Better to be advised by a professional.

The choice depends mostly on how many perople live there.

A combi is fine for a 30 room castle if there is only one person living there!

Tony

 

[kevindgas]

if space is not a problem then i would go with heat only boiler and a decent size cylinder i have a 210 ltr unvented and we rarely run out of hot water. twin coil are even better as you can add solar panels and get nearly free hot water through most of the year, temperaure varies but with the boiler topping up at the end of the day and you also have the advantage of an immersion should the boiler ever breakdown

the combi on the other hand doesn't need a cylinder and will do hot water indefinately on demand, but should it breakdown you have no hot water until its fixed.

the choice my friend is yours

as for boilers we all disagree on the best but Worcester, Vaillant, Buderus and Atmos seem to be among the popular ones and Baxi, Potterton, Main and Glowworm are cr*p in my opinion

 

[clf-gas]

Worcester Bosch Greenstar 30si.
No probs with bathroom and en suite.


Dan, that Prestige looks a bit of kit, (not G3 is it ?) Fitted any do they run two draw off's at a time?

 

[Dan Robinson]

Prestige is on hold 'cos of G3 regs. I didn't get the full details of it, but I think the factory didn't want to cut holes in the storage section for a TPV.

Shame though - I saw the demo model at the factory and it was quite tidy - didn't have a screwdriver with me to peak inside though .

 

[nikgibson_1]

blimey, that was quick, i didnt expect any replies for hours!!!!!!!!

anyway many thanks for the guys who took the time to reply.

Builders are not experienced heating engineers

i think this quote covers the answer to my question in a nut shell. I'll fine a local heating engineer and ask them around for their advice.

Cheers
Nik

 

[Dan Robinson]

Good move...