Thornhill are UVDB registered and Q2 Verified. We have a strong understanding of the specific and specialist needs of the utilities sector. We have in depth experience with water, power and gas transmission.

Plate heat exchangers in all their forms are found in water treatment plants We understand the need for high cleanliness of transformer oil coolers within the National Grid and have appropriate specialist cleaning facilities to ensure the highest standard. Thornhill staff also have a long history with the design and manufacture of shell and tube gas heaters for transmission and distribution. Working to PV3 and other gas standards is well understood.