| Name | : Ht-air oy |
| Business Number | : 0761346-7 |
| Category | : Limited Company |
| Primary language | : Finnish |
| Place of taxation | : Helsinki  | Date of registration | : 07/06/1989 |
| Activity | : Plumbing, heat and air-conditioning installation |
| Alias | : Hietala & Tuomikoski Oy |