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Heat pumps · UK

MycondBeeECO MHCM 12 SU3A

The Mycond BeeECO MHCM 12 SU3A is an air-to-water heat pump with a SCOP of 4.74 (35 °C) and a sound power level of 67 dB(A). Under permitted development the limit is 37 dB(A) measured 1 m in front of the centre of a neighbour’s habitable-room door or window. Free-standing, the indicative minimum distance is 12.6 m; against a wall 17.8 m.1,2

Last updated: Technical specifications Rules in the UK ⇄ Compare this model
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SCOP (35 °C)
4.742

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

Heating capacity (A7/W35)
12.09kW2
Official source
Outdoor unit sound power
67dB(A)2
Official source
Refrigerant
R2902
Official source
Type (source)
Air-to-water2
Official source
UK

Rules in the UK

Minimum distance to your neighbour

MCS 020(a) (England, permitted development since 29 May 2025)3 · 1 m in front of the centre of a neighbour’s habitable-room door or window

Permitted development (MCS 020(a)) ≤ 37 dB(A) · LAeq,5min
Free-standing 12.6 m
Against wall 17.8 m
In corner 25.2 m

Indicative calculation (hemispherical, no barriers). Not a substitute for an MCS 020 assessment.

Boiler Upgrade Scheme

Check conditions

£7,500 – £9,0004Fixed 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.5,6

  • Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
  • Rated output 9.88 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 3.7. 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) Air-to-water2
Performance
Heating capacity (A7/W35) 12.09 kW2
Rated output 35 °C 9.88 kW2
Rated output 55 °C 9.93 kW2
Efficiency
SCOP (35 °C) 4.742
SCOP (55 °C) 3.72
Seasonal efficiency ηs 35 °C 187 %2
Seasonal efficiency ηs 55 °C 145 %2
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
COP A7/W35 4.532
Noise
Outdoor unit sound power 67 dB(A)2
Refrigerant
Refrigerant R2902
Refrigerant GWP 32
Refrigerant charge 1.05 kg2
Grants & market
ISDE grant (NL) 3,250 €1

Frequently asked questions

Can I install the Mycond BeeECO MHCM 12 SU3A without planning permission?

Under MCS 020(a) (England, permitted development since 29 May 2025) the unit must not exceed 37 dB(A) 1 m in front of the centre of a neighbour’s habitable-room door or window. With a sound power of 67 dB(A) that indicatively means 12.6 m free-standing, 17.8 m against a wall or 25.2 m in a corner. Your MCS installer must confirm this.1,2

How much Boiler Upgrade Scheme grant can you get for the Mycond BeeECO MHCM 12 SU3A?

£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

Which refrigerant does the Mycond BeeECO MHCM 12 SU3A use?

The Mycond BeeECO MHCM 12 SU3A uses R290.1,2

Sources

  1. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
  3. MCS 020(a) (England, permitted development since 29 May 2025)
  4. Boiler Upgrade Scheme: what you can get — GOV.UK · accessed 27 Sept 2026
  5. Boiler Upgrade Scheme: guidance for installers (V5) — Ofgem · accessed 27 Sept 2026
  6. Boiler Upgrade Scheme product eligibility — Ofgem · accessed 27 Sept 2026