We always strive for the highest degrees of excellence in our products and our service to our customers.
- Over 75 years of partnership
- 25 years of experience in hybrid technologies
- Over 300million products installed
- Global sourcing & manufacturing
- Distributors network all around the globe
- Customers over 60 countries and 5 continents
Drawing on resources and technical expertise from our worldwide, industry leading HVAC business.
Cotherm specialises in the following markets, guaranteeing confidence in term of efficiency, reliability and sustainability.
Established 1948 | Customers in over 60 countries | 300+ million products installed
Company values
The ability to serve our worldwide customer base in the best possible manner is rooted in a set of values originally inspired by the family origins of the company.
If the shareholding has evolved over time, the spirit of the company remains firmly entrenched in the values of :
- ENGAGEMENT – Long term solutions with social & environmental responsibility and involvement.
- SOLIDARITY – Interact and pull together with transparency and trust
- AMBITION – Result-oriented with efficient and innovative solutions bringing value
- AGILITY – Knowledge and expertise allowing anticipation, reaction and flexibility
- OPEN MINDEDNESS
– Listening and diversity respect
All contribute to a teamwork approach both within Cotherm and through partnerships with our customers.

Know how
Cotherm know-how in all steps of the product cycle starts with advanced innovations.
New ideas are transformed into reality with mechanical design, software algorithms, hybrid technology integration, and performance materials. To satisfy the high levels of excellence required by our customers, an in-depth product qualification program leads us to test products in both high stress environments and through advanced customer application testing in our many R&D laboratories.
The mass production each year of millions of parts uses a variety of technologies in the production processes such as electronics, plastics moulding, surface treatments, metals processing, and using automatic, semi-automatic and manual assembly.
Wide range of applications
Our solutions are used in many different applications to enable full conformity to international standards, including sanitary hot water, space heating, industrial, pressure washing, spa, or food service equipment.
Industrial scale
A culture of efficiency and entrepreneurship has traditionally driven our developments. As part of an international industrial group, we permanently adapt our processes to be at the forefront of industrial performance with a vision of sustainable development.
Customer focus
Long term relationships with customers as partners allow us to better understand their requirements and to support them, without discrimination of size, in the products solutions with targeted performances. Dedicated Cotherm teams bring more value to our customers in R&D, industrial support, quality, laboratory qualification and testing, logistics and planning, prototyping, sampling, and further continuous support all along the supply chain from product definition to delivery.
International expertise
Success of Cotherm at international is due to our services adapted shortening the distance with product matching each local market needs performance and regulation. Indeed, to get closer to its customers, Cotherm has developed sales and production subsidiaries abroad, as well as joint venture partnerships.
Innovation and technologies
Over 5% of turnover is invested in industrial process improvement and product innovations. Benefiting from group expertise and new technologies to create economies of scale, we provide added value to the market along with competitive and viable solutions with a high level of reliability.
Platform solution
With a large range of solutions, we propose both ready to use and highly customizable products fit for application. Our products include a complete range of temperature controls such as rod and capillary thermostats, combistats, electronic controls, hybrid solutions, safety limiters and heating elements adapted to market requirements and application standards.
Turnkey solutions
Our partnership strategy includes services to accompany our customers in all step of the product life for a 360° solution approach.
Our organization allows the direct contribution of our experts for the success of our customer projects in coordination with our project managers.
Whether it is strategy, regulatory changes, development and technical performances, testing, quality or logistics, prototype production, industrialisation or commercial support, we review together the key elements of your success and we establish our actions in time, with full transparency, and in line with the market needs.
Success is a constructive collaboration for sustainable solutions, all in compliance with the highest quality standards.
Quality and environment
Cotherm expertise developed over the last 70 years is an important basis for an outstanding level of quality.
Working in quality is a daily effort to continuously improve products and processes beyond the industry accepted standards and certifications.
In today’s rapidly evolving industry and regulatory context, special care is dedicated to reaching the highest standards of excellence.
Cotherm applies a responsible policy to reduce its environmental impact with the implementation of 6 commitments:
KEY FIGURES:
- Reduction by 40% in material loss
- 15% water savings
- Digitalisation : 10% decrease in paper
- Heat recuperation from machines
- Transition to LEDs
HOMOLOGATIONS & CERTIFICATIONS
Our products are approved by standards :
QUALITY AND ENVIRONMENT
The HWA Charter’s Code of Practice
- To supply fit for purpose products clearly and honestly described.
- To supply products that meet, or exceed appropriate standards and building and water regulations.
- To provide pre and post sales technical support.
- To provide clear and concise warranty details to customers.
WEEE COMPLIANCE
Cotherm is an environmentally responsible company. As part of this responsibility we are committed to ensuring our compliance with the Waste Electrical and Electronic Equipment (WEEE).
ISO CERTIFICATIONS FOR Cotherm (UK) Ltd
Global presence
COTHERM SUBSIDIARIES
Cotherm United Kingdom
- Location: Sudbury, Suffolk, United Kingdom
- Date of creation: 1986
- Number of employees: 12
- www.linkedin.com/company/cotherm-uk
Cotherm North America
- Location: Warwick, Rhode Island, USA
- Date of creation: 1999
- Number of employees: 5
- Facility features: 5000 sq ft. warehouse facility
- www.linkedin.com/company/cothermna
PRODUCTION FACILITIES
Cotherm North Africa
- Location: Ezzahra, TUNISIA
- Number of employees: 500
- Industrial area: 4500 m2 sq ft.
INTERNATIONAL
- Distributors network all around the globe.
- 80% of the turnover on the international market with customers over 60 countries and 5 continents.
Cotherm history
Cotherm is an industrial group founded in 1948 in Grenoble, France.
Initially specialised in the design and production of thermostats for electric storage water heaters, Cotherm is today a market leader in temperature and energy management solutions. Its vocation is to design, manufacture and sell intelligent and connected control systems.
Driven by a will to expand into new geographical markets, export sales first started in the 1950s. In the 1980s started to grow with its first sales office subsidiary in the UK. In the 90s, Cotherm significantly expanded its base with the creation of both sales and production subsidiaries in the USA and in Tunisia, as well as joint venture partnerships.
For the past 20 years, significant marketing and R&D efforts have led to a variety of innovative products in the area of energy management.
New solutions are presented every year to meet global market evolutions in the areas of energy efficiency, transition to renewable energies, smart grid and connectivity.
With different hybrid technologies, Cotherm has become an expert in water heating technologies, working with major Original Equipment Manufacturers worldwide. With its 700 employees around the world and more than 9 million products sold per year, Cotherm generates 80% of its turnover in exports, in more than 60 countries on the 5 continents.
Our management is committed to pursuing our vision as a market leader working in partnership to build value with our long term partners, while sustainably preserving our resources and our environment.