Cotherm Resource Blog

Interesting articles offering help and insight into past, current and future plumber and heating issues.

Cotherm at your side since 1948


As a leading global company within the heating, ventilation & air conditioning (HVAC) industry, we have the experience, the presence and the resources to make a difference, and that is exactly what we are doing. 

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Browse Cotherm's Resource Blogs

Heating, ventilation, air conditioning & plumbing control solutions

Browse Cotherm's Resource Blogs

Heating, ventilation, air conditioning & plumbing control solutions

How to combat limescale

By Agne C • August 14, 2025
Limescale : your water heater’s worst enemy

Discovering Cotherm's Product Excellence

By David Lowe • August 14, 2025
A Storied Legacy in Heating Controls Since 1948, Cotherm has been a trusted name in the plumbing and heating industry. With over 300 million units installed globally , they’ve built an enduring reputation for reliability and quality

History of Cotherm

By David Lowe • August 11, 2025
A Success Story

Cotherm Sub Assembly Wiring Solutions For Hot Water Systems

By David Lowe • July 30, 2025
No more puzzle-like solutions!

Cotherm in Romania!

By David Lowe • July 30, 2025
Our latest worldwide presence

How does hard water affect my heating element here in the UK?

By Wayne Harrhy • July 30, 2025
How Hard Water Affects Heating Elements in the UK: A Hidden Cost of Limescale

A Success Story

Cotherm 75 years of experience

The creation of Cotherm!

International expansion : The set up of the UK sales office, which developed into a sales, distribution and assembly site.

1st Electronic controller : This was also a time of expansion with the set up of the Tunisian factory and the USA sales office.

The roll out of the industry leading Smart hybrid control.

Energies saving technologies : Leading the way with Heatpump technologies - Renewable energies.

Digitalisation : loT Connected controllers - Automation - NCF - Heating elements.