We are Approved by Trent Water, find us here.

By combining eco-friendly R290 natural refrigerant and inverter heating technology the Dalrada DC Inverter home heat pumps are able to operate from -25°C to 45°C, maintaining a high COP and reliable stability.

More importantly, the maximum outlet water temperature reaches 75°C without electric heating.

Otter are Appointed Dalrada Agents for the Northwest.

For Supply, Service, Commissioning, Installation & Project Design, please contact us with your enquiry. ASHP from 4.4Kw to 125Kw

For product information click on the Dalrada logo / product

Quality servicing and selected installations in the Northwest of heating systems and renewables including:

Air Source Heat Pumps Solar Thermal Panels Unvented Cylinders System Balancing Air Conditioning Heating Systems & Controls

Is the Dalarada CGH Cylinder the most advanced and attractive on the market? We think so.

The Plumbing Industry is one of the most heavily regulated disciplines within the building sector. You may not choose to use our services, but whom ever you do use, ensure they have the right qualifications for your needs.

Otter Heating are committed to personal development in order to remain fully trained and familiar with all of the latest products, techniques and solutions. This investment isn’t without cost in time or money. We want you to take a look at ‘who we are’ rather than other Companies who prefer you not to.

‘A great Plumber will cost you very little, a poor plumber will cost you a great deal more. The same job can either remain right for many years or remain wrong for many years’. Dan Nixon, Senior Engineer, Otter Heating.