Heat pumps · UK

Carrier 30WG-035A

The Carrier 30WG-035A is a heat pump with SCOP (35 °C) 5.48 and refrigerant R410A.1,2

Key figures

SCOP (35 °C)
5.482

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

Refrigerant
R410A1
Official source
Type (source)
Water-to-water1
Official source
Rated output 35 °C
50kW2
Official source
Rated output 55 °C
47kW2
Official source
UK

Rules in the UK

Boiler Upgrade Scheme

Not eligible

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 50 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 4.35. 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)Water-to-water1
Compressors11
Capacity controlkeine1
Performance
Rated output 35 °C50 kW2
Rated output 55 °C47 kW2
Efficiency
SCOP (35 °C)5.482
SCOP (55 °C)4.352
Seasonal efficiency ηs 35 °C216 %2
Seasonal efficiency ηs 55 °C171 %2
Energy label 35 °CA++2
Energy label 55 °CA++2
SEER (cooling)5.211
Noise
Indoor unit sound power62 dB(A)1
Refrigerant
RefrigerantR410A1
Refrigerant charge3.7 kg1
Electrical
Max. power input14.4 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 12% of comparable models in our database (Heat pumps · Water-to-water · ≥ 14 kW; n = 65).

Rank 58 of 66

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 Carrier

All Carrier models (18) →

Guides on heat pumps

How we collect and check this data →

Frequently asked questions

What is the SCOP (35 °C) of the Carrier 30WG-035A?

The SCOP (35 °C) of the Carrier 30WG-035A is 5.48.1,2

Which refrigerant does the Carrier 30WG-035A use?

The refrigerant of the Carrier 30WG-035A is R410A.1,2

How much Boiler Upgrade Scheme grant can you get for the Carrier 30WG-035A?

Probably none. Rated output 50 kW; the scheme covers systems up to 45 kW.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