The Cotherm PIL is the best Eco 7 immersion timer + thermostat all-in-one unit available.

• It uses powerful intelligent learning algorithms to reduce energy consumption, saving the consumer money and helping the environment.
• It is super fast to fit, with 5 minute installation times.
• Single point installation saving time and work.
• Only one product to buy, saving on hardware costs.
• It is a fit-and-forget product, meaning it does it all for you, through intellegent learning.

Yes, 10% - 15% real world savings on your hot water bills!

After extensive testing of the Cotherm PIL, by a TUV approved European based laboratory, there is proven data showing between 10 & 15%  savings on water heating bills.

Other testing in a real world situation has delivered very similar results, with some results as high as 15% - 20%.

An energy saving product, such as the Cotherm PIL, uses less energy to perform the same task as a standard product.  This means that it is eliminating energy waste. Energy efficiency brings a variety of benefits: reducing greenhouse gas emissions, reducing demand for energy imports, reducing our carbon footprint and lowering our household costs.

PIL stands for: POWERFUL INTELLIGENT LEARNING.

The Cotherm PIL costs RRP £180.00 inc. VAT  (£150.00 plus VAT).   To find out where to buy click here.

 The Cotherm P.I.L is designed, manufactured and distributed in the UK.    

The Cotherm PIL is extremely easy to fit.  Only normal household tools are needed and should be completed in under half an hour.  To see a video of how to install the Cotherm PIL click here.

The Cotherm PIL saves you money by reducing your energy use.

What that means is that, through intelligent algorithms, it learns how and when you use your hot water and then only heats the amount of water you use, when you use it.  This over time, not only saves you money, but saves the environment by using less energy.  All this with no effort at all!

After extensive testing on the Cotherm PIL, by a TUV approved European laboratory, there is proven data of between 15% & 20% savings on water heating bills.

Yes, the Cotherm PIL has several programmable modes. ie. Holiday and off peak, just in case you require something different to the out of box setting. see instruction link.

Yes Cotherm are ISO14001:2015 accredited so we are constantly working to make Cotherm and the world a greener place.

It means that Cotherm smart technology reduces your carbon footprint by reducing CO2 and energy consumption.

No it is extremely quick and easy to retro-fit onto your existing electrical water heating cylinder.

The Cotherm PIL, smart water heating control, is compatible with most modern electric water heaters.  It works with all utility applications including single tariff or dual tariffs Economy 7 and Economy 10.

See a short video of how to fit the hot water controller.

The Cotherm PIL is the next big advance in environmentally friendly, smart water heating technology.  It does not need you to control it through your mobile phone as it uses powerful intelligent learning to accurately predict when you will need hot water, what temperature you will need it and how much heated water you will actually need.  Life made simple!

An enormous amount!  

The company was established in 1948 and we have installed over 280 million products world wide. 

We know our industry and we know our customers.

Find out more about Cotherm UK.

Yes, absolutely!...

Yes. Cotherm offer a range of smart controls for the renewable industry.ie heat pump, PV. Etc. 

Follow link to page on Cotherm.co.uk