calculator

I was looking into a problem with flow rate in my bathroom. A bit confused with how flow rate, water pressure, pipe length, and difference in height all interact. I found this very useful online calculator to assist. Do a google for "flow-rate-calculator" at copely dot com. It is a free...

I'm thinking of replacing an exiting radiator (see photo) with something a bit more exciting. A bit of Googling suggests the existing one is rated at about 5600 BTUs. (It's 1100mm by 500mm, type 22.) I've used about 10 online BTU calculators to try to get an idea of what's actually needed. Some...

Good afternoon I hope you’re well I am trying to prove to a customer that their boiler is undersized. They have 20 radiators mostly doubles and a 220 L unvented cylinder. 18kw Worcester heat only boiler. Three years old. I am trying to reverse calculate the heat requirements of the...

Hi all, I put the same bedroom dimension into mrcentralheating.co.uk/btu-calculator and into homesupply.co.uk/radiator_output_calculator.php and got wildly different values. The former recommended approx twice that of the latter......now I am confused.com. Room Size 2.5H x 3.25W x 3.963D one...

What Heatloss calc do all you people use? just started using Mr Combi app and have compared it with various others with varying results. I do have Stelrad Stars available but find it a little long winded. perhaps you'll share what you recommend? cheers

Does anyone use mears wheel calculator or do you use the Internet/app ones?

Hi, I have to size a lot of radiators for a big detached house set in the countryside. im looking for the best rad sizing calculator and wanted your opinion on what is the best / easiest to use. thanks in advance

if anyone is interested i've found a mears calculator with two tape measures on ebay A MEASURED MAN - NO MORE GUESS WORK | eBay

Hi all, Happy New Year to all. Has anyone got or used the heatsmart disc for calculating rad/boiler sizes? It says its for PDA's but is a cd so can it be used on a laptop?

Who/where is the best place to get one of these?

If you're looking for an easy rad size calculator. Here's to links which do the calculations for you. Hope this helps. Heated Chrome Towel Rails, Designer Radiators, Bathroom, Cast Iron, Electric, Traditional Or this: http://www.homesupply.co.uk/radiator...calculator.php

Upgraded my phone a couple of weeks ago (samsung galaxy s 4) & I'm looking for a good N.G. Rate calculator, what's best guys? The one I had on my ISO was very good but it's not on the android market. Also any other good apps that people are using? Thanks peeps

Hi all Please forgive the no doubt easy query, I'm a little confused ... We're hoping to move into a bungalow in the next few months with an extremely antiquated central heating system. It's going to need a new boiler and rads I'm trying to work out radiator size requirements but have so far...

Hi, Anyone any advice on the best online heat loss calculator. About to start a job in a Grade 2 listed farmhouse with several types of wall, windows, floors etc, so I am looking for a calculator that can take all of this into account. Thanks in anticipation

which mears central heating calculator is the best there is 3 - older houses / new houses and first generation accurate one is the one based on the first generation the best ? and can anyone rercommend a good on line calculator thanks ant

Hello, This is my first post. I'm building a new house. A self build project. House is undergoing the first plumbing and electrical fix. Does anyone know of a website/software that can calculate the Kw (kilowatts) of heating the house needs?. I have found a site that has a online form...

hi all, hope i find you all well. could someone please tell me the name of the calculating wheel that calculates the rating and size of radiator in a house. someone told me a few months ago anfd i can t for the life of me remember its name. so if you know it please tell...

Hi all I had a customer today ask for a radiator installed in a newly built utility room. I quoted him based on installing a 700x600 K1 based on my calc below. However the customer said he had used an online calculator and said this rad is too small?? I'm sure i'm right but I checked the web...

Can any body recommend a good online heat loss calculator? A link will be must appreciated.

Evening all, where's the best place to get a btu/ kw calculator or what's the best /easiest one to use?