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Heat pumps · IE

TCLTHML-14D/HBp-A

TCL THML-14D/HBp-A
Image: TCLrequest removal

The TCL THML-14D/HBp-A is an air-to-water heat pump with a SCOP of 4.63 (35 °C) and a sound power level of 66 dB(A). In Ireland a heat pump is exempt from planning permission if it stays below 43 dB(A) (or 5 dB(A) above background noise, if higher), measured at the nearest neighbouring inhabited dwelling. Free-standing, the indicative minimum distance is 5.6 m; against a wall 8.0 m.1,2

Last updated: Technical specifications Rules in Ireland ⇄ Compare this model
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SCOP (35 °C)
4.632

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

Heating capacity (A7/W35)
14.5kW2
Official source
Outdoor unit sound power
66dB(A)2
Official source
Refrigerant
R322
Official source
Type (source)
Air-to-water2
Official source
IE

Rules in Ireland

These rules are still being verified.

Minimum distance to your neighbour

Planning and Development Regulations 2001 (S.I. No. 600/2001), Sch. 2, Part 1, Class 2(d), inserted by S.I. No. 83/2007; location rules relaxed by exempted-development regulations of July 2026 (incl. S.I. No. 342/2026)3 · nearest neighbouring inhabited dwelling

Planning exemption: max 43 dB(A), or 5 dB(A) above background noise if higher ≤ 43 dB(A) · normal operation
Free-standing 5.6 m
Against wall 8 m
In corner 11.3 m

Indicative calculation (hemispherical, no barriers). Your installer must confirm the noise level at the nearest neighbouring dwelling.

SEAI Heat Pump System Grant

Check conditions

€14,5004Maximum for a house, incl. €2,000 boiler scrappage

Up to €14,500 for a house (€11,500 for an apartment), including a €2,000 boiler scrappage grant when an oil, gas, solid-fuel or storage-heater system is removed. Homes built before 2007 need a technical assessment (€200 grant) unless the BER shows a Heat Loss Indicator of 2.3 or less. Installation is charged at 9% VAT.5

  • The heat pump must be listed on SEAI's Home Appliance Register of Performance (HARP) and installed by an SEAI-registered contractor.
  • Home built and occupied before 2021, with an MPRN; grant approval before any work starts and a BER assessment afterwards.

Technical specifications

General
Type (source) Air-to-water2
Performance
Heating capacity (A7/W35) 14.5 kW2
Rated output 35 °C 14 kW2
Rated output 55 °C 12 kW2
Min. outdoor temperature -22 °C2
Efficiency
SCOP (35 °C) 4.632
SCOP (55 °C) 3.432
Seasonal efficiency ηs 35 °C 182 %2
Seasonal efficiency ηs 55 °C 134 %2
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
COP A7/W35 4.752
Noise
Outdoor unit sound power 66 dB(A)2
Refrigerant
Refrigerant R322
Refrigerant GWP 6752
Refrigerant charge 1.74 kg2
Grants & market
ISDE grant (NL) 3,925 €1

Variants

This model is registered in 2 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • THML-14D/HBp-A
  • THMLd-14D/3HBp-A

Manufacturer documentation

External links to TCL's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

Do I need planning permission for the TCL THML-14D/HBp-A in Ireland?

Not if it meets the exempted-development conditions (Planning and Development Regulations 2001 (S.I. No. 600/2001), Sch. 2, Part 1, Class 2(d), inserted by S.I. No. 83/2007; location rules relaxed by exempted-development regulations of July 2026 (incl. S.I. No. 342/2026)): no more than 43 dB(A) at the nearest neighbouring inhabited dwelling, or 5 dB(A) above background noise if that is higher. With a sound power of 66 dB(A) that indicatively means 5.6 m free-standing, 8.0 m against a wall or 11.3 m in a corner. Ask your SEAI-registered installer to confirm.1,2

How much SEAI grant can you get for the TCL THML-14D/HBp-A?

Up to €14,500 with the SEAI Heat Pump System Grant, including €2,000 boiler scrappage when an oil, gas, solid-fuel or storage-heater system is removed (€11,500 for an apartment). The home must be built and occupied before 2021, the heat pump must be on SEAI's HARP register and you need grant approval before work starts.1,2

Which refrigerant does the TCL THML-14D/HBp-A use?

The TCL THML-14D/HBp-A uses R32.1,2

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. Planning and Development Regulations 2001 (S.I. No. 600/2001), Sch. 2, Part 1, Class 2(d), inserted by S.I. No. 83/2007; location rules relaxed by exempted-development regulations of July 2026 (incl. S.I. No. 342/2026)
  4. Heat Pump System Grants — SEAI · accessed 4 Oct 2026
  5. Heat pump heating system (VAT) — Revenue · accessed 4 Oct 2026