Note...We only offer efficiency improvements as part of our Aga mini-refurbs or AGA re-enamels. If you don't need or want a restoration most things can be bought in our online store as DIY kits. They come with full step by step instructions. Find out more about our DIY AGA improvements here.
Bear with us on this page – it’s a bit wordy but there is some important explaining to do! With gas, oil and electric bills rising making your AGA as efficient as it can be is crucial – this is why most of the jobs on this page as part of our AGA restorations. Once you’ve sorted this lot have a look at our guide - 'Save money on your AGA running costs.'
An Aga is basically a storage heater. When you cook your transfer the heat from cooker to food. Reducing heat loss from the Aga is the easiest way to save money.
Heat rises so most crucial is the insulation under the hob and around the working parts of the Aga. This is normally a combination of vermiculite and rock wool with the wool sat like a blanket on the top. The problem is that over time the vermiculite settles and the rock wool deteriorates to a dust like state. This gives you a gap under the enamel hob and means your Aga need to be turned higher to maintain heat. To fix this Matthew removes the hob and old rock wool insulation, tops up the vermiculite and replaces the old rock wool with a brand new blanket – as much as possible! This costs £98 including all required vermiculite and rock wool and is not completed automatically as part of our AGA restoration service. This is because not every AGA requires it. We can assess it on the day and have a chat to you about whether or not you'd like to do it. Here are some great images on our blog of a poorly insulated AGA as an example!
Next in terms of importance is making sure your lids are up to scratch! Dirty lid liners (the undersides) absorb heat instead of reflecting it and aged insulation means the lids don’t retain the heat in the aga as they should. Heat transfer between touching surfaces is a big problems with Agas. In the case of the lids the heat transfers from the Aga top into the lid itself and then radiates away – completely bypassing the insulation!
Fixing all this is easy! The lid undersides are changed to nice shiny reflective ones, the steel seals around the lid are changed to nice new bouncy ones (reducing contact heat transfer) and while its all in bits the lid is packed with new high performing insulation.
Last on the list, but by no means unimportant, are the doors. Not much you can do about heat loss while they are open (except shut the door while you turn those potatoes!!!) but its making sure they’re working properly when shut that’s crucial!
In a similar way to the lid undersides dirty door liners absorb heat, impacted rope seals allow heat transfer and too much air circulation while deteriorated insulation allows heat loss. The fix is the same too. The liners and high temperature rope seals are replaced and the insulation is upgraded and renewed.
Thats it for the big stuff sorry – not much more you can do! Matthew will always do the little things where applicable – changing handle washers to reduce heat transfer for example – but you’ll need to change the way you use your Aga to save any more – read our guide on 'Using your AGA the money saving way'.