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*On UK Mainland Orders
Please note: The following postcodes will incur an additional surcharge which will be calculated during the checkout:
Isle of Man, Isle of Wight, Jersey, Guernsey, Alderney and the following Scottish Highlands and Lowlands postcodes:

AB1, AB10, AB11, AB12, AB13, AB14, AB15, AB16, AB2, AB21, AB22, AB23, AB24, AB25, AB3, AB30, AB31, AB32, AB33, AB34, AB35, AB36, AB37, AB38, AB39, AB4, AB41, AB42, AB43, AB44, AB45, AB5, AB51, AB52, AB53, AB54, AB55, AB56, AB9, IV1, IV10, IV11, IV12, IV13, IV14, IV15, IV16, IV17, IV18, IV19, IV2, IV20, IV21, IV22, IV23, IV24, IV25, IV26, IV27, IV28, IV3, IV30, IV31, IV32, IV33, IV34, IV35, IV36, IV4, IV40, IV5, IV52, IV53, IV54, IV6, IV63, IV7, IV8, IV9, KW1, KW2, KW3, KW5, KW6, KW7, KW8, KW9, KW10, KW11, KW12, KW13, KW14, PA33, PA38, PA39, PA40, PH17, PH18, PH19, PH20, PH21, PH22, PH23, PH24, PH25, PH26, PH30, PH31, PH32, PH33, PH34, PH35, PH36, PH37, PH38, PH39, PH40, PH41, PH42, PH43, PH44, PH49, PH50.

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30 day money back guarantee Trade Account Up To 20 Year Warranty
*On UK Mainland Orders
Please note: Additional surcharges may be payable to the following destinations: Scottish Highlands, Lowlands, Isle of Man, Isle of Wight and Jersey.

Display the BestHeating BTU Calculator Radiator Sizing Guide on Your Website

BTU Calculator


The BestHeatingBTU calculator is a tool designed to help customers work out the required British Thermal Unit output to efficiently heat their room, in order to assist them in selecting a suitable radiator.

Now you too can display the BestHeating BTU Calculator on your web page, in just two easy steps:

1 - Copy the HTML code below.

2 - Paste the HTML into your Web page.


It really is that simple, but even better, it won't cost you a single penny. That’s right, it's completely FREE! All that we ask in return is that you display the full HTML code provided, without any alterations, except to resize the iframe window to better fit the layout of your website if you so wish.

Get the HTML to display a BTU Calculator for your website


Copy & paste the following HTML code in to your Web page to display the BTU Calculator in an HTML iframe:

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