| Model | UK Boiler Upgrade Scheme Product Eligibility List |
|---|---|
| CombiAir 12M Heat pump | Listed since at least 12 Oct 2026 |
| CombiAir 16M Heat pump | Listed since at least 12 Oct 2026 |
| CombiAir 6M Heat pump | Listed since at least 12 Oct 2026 |
| CombiAir 8M Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 406 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 406 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 408 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 408 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 410 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 410 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 415 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 420 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 510M Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 708M – 230v Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 708M – 400v Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 712M – 230v Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 712M – 400v Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoAir 720M Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 308 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 406 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 406 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 408 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 408 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 410 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 410 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 412 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoHeat 412 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 406 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 408 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 410 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 412 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 414 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 417 Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 425 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 425 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 430 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 430 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart 435 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart i425 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart i425 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart i430 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart i430 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC EcoPart i435 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC GSi 12 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| CTC GSi 16 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| EcoAir 610M Heat pump | Listed since at least 12 Oct 2026 |
| EcoAir 614M Heat pump | Listed since at least 12 Oct 2026 |
| EcoAir 622M Heat pump | Listed since at least 12 Oct 2026 |
| EcoPart 612M (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| EcoPart 616M (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 6 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 6 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 606 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 606 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 608 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 608 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 8 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GS 8 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 12 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 608 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 612 (1 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 612 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 616 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
| GSi 8 (3 phase) Heat pump | Listed since at least 12 Oct 2026 |
"Since at least" means the line was already on the list when our record of it began. Names can be printed differently on each list; a model missing from a column may be listed under another spelling. Report a problem
Changes to Go Geothermal Limited lines
Our record of Go Geothermal Limited lines began on 12 Oct 2026. Nothing has changed since. The lists are checked every morning, and any change appears here the same day.
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