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Heat pumps · UK

iDM iPUMP T7

The iDM iPUMP T7 is a heat pump with SCOP (35 °C) 4.73 and refrigerant R290.1,2

Last updated: Technical specificationsRules in the UK⇄ Compare this model
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SCOP (35 °C)
4.732

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Refrigerant
R2901
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
7kW2
Official source
Rated output 55 °C
5.9kW1
Official source
UK

Rules in the UK

Boiler Upgrade Scheme

Check conditions

£7,500 – £9,0003Fixed grant (England & Wales)

Fixed grant in England and Wales, deducted from your installer’s quote. £9,000 when replacing oil or LPG off the gas grid (until March 2027). Scotland: Home Energy Scotland grant instead.4,5

  • Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
  • Rated output 7 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 3.88. The installed system needs a SCOP of at least 2.8 (MCS calculation).
Heat pump grants in the UK explained →

Technical specifications

General
Type (source)Ground source1
Compressors11
Capacity controlInverter1
Performance
Rated output 35 °C7 kW2
Rated output 55 °C5.9 kW1
Efficiency
SCOP (35 °C)4.732
SCOP (55 °C)3.881
Seasonal efficiency ηs 35 °C186 %2
Seasonal efficiency ηs 55 °C147 %1
Energy label 35 °CA+++2
Noise
Indoor unit sound power37 dB(A)2
Refrigerant
RefrigerantR2901
Refrigerant charge0.14 kg1
Electrical
Max. power input3.6 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 39% of comparable models in our database (Heat pumps · Ground source · 6–8 kW; n = 38).

Rank 23 of 39

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Similar models

Other brands, same type and a comparable size.

More from iDM

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Guides on heat pumps

How we collect and check this data →

Frequently asked questions

What is the SCOP (35 °C) of the iDM iPUMP T7?

The SCOP (35 °C) of the iDM iPUMP T7 is 4.73.1,2

Which refrigerant does the iDM iPUMP T7 use?

The refrigerant of the iDM iPUMP T7 is R290.1,2

How much Boiler Upgrade Scheme grant can you get for the iDM iPUMP T7?

£7,500 in England and Wales, provided the product and installer are MCS-certified (£9,000 when replacing oil or LPG off the gas grid, until March 2027). The installer applies and deducts the grant from your quote.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 18 Oct 2026
  2. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
  3. Boiler Upgrade Scheme: what you can get — GOV.UK · accessed 27 Sept 2026
  4. Boiler Upgrade Scheme: guidance for installers (V5) — Ofgem · accessed 27 Sept 2026
  5. Boiler Upgrade Scheme product eligibility — Ofgem · accessed 27 Sept 2026