💡 Heat pump + hot water cylinder is the most common combination in Irish home energy upgrades. SEAI grants of up to €12,500 available for heat pumps. Apply at seai.ie →
Trusted boiler brand — 7-year warranty, backed by 1,000+ Irish service engineers
Backed by the same extensive Irish service network that installs and maintains Worcester Bosch gas boilers. The 7-year warranty is the longest standard warranty in this directory. An ideal choice for homeowners wanting the transition from gas to heat pump handled by a familiar trusted brand with guaranteed local service.
8 kWSCOP 4.4348 dB(A)Max 65°CR-32SEAI grant up to €12,5007-yr warranty
⚙️ Specifications
Heating capacity
8 kW
SCOP @ W35 (underfloor)
4.43
SCOP @ W55 (radiators)
2.96
COP A7/W35
4.21
COP A7/W55
2.65
Max. flow temperature
65°C
Operates to
-20°C outdoor
Outdoor noise level
48 dB(A)
Refrigerant
R-32
Hot water cylinder
Not included — required separately
Outdoor unit dimensions
1200 × 980 × 430
Outdoor unit weight
88 kg
Warranty
7 years
SEAI grant eligible
Yes — €12,500
💰 Pricing & SEAI grant
Typical installed price (incl. installation)
~€13,000
Supply (~€6,600) + installation, commissioning and cylinder
① Heat Pump Equipment Grant (all qualifying installs)− €6,500
② Central Heating Upgrade Grant (if radiators/pipework need upgrading)− €2,000
③ Renewable Heat Bonus (switching from oil / gas / solid fuel)− €4,000
Maximum total grant (houses)− €12,500
Est. hot water cylinder (180L, incl. install)~€1,200–€1,800
Effective cost (fossil fuel switcher, max grant)~€500
Grant updated 3 Feb 2026: Increased from €6,500 to up to €12,500. Apartments max €4,500. Replacing an existing heat pump (not fossil fuel): €6,500 max. 9% VAT on supply & installation (reduced from 23% since Jan 2025).
Apply at seai.ie — receive your Letter of Offer before installation begins. BER assessment required (€200 grant available). Homes built before 2007 need a Technical Assessment (€200 grant). Installer must be SEAI-registered. Cannot combine with Warmer Homes Scheme.
Key highlights
🛡️
7-year warranty — class-leading
The longest standard warranty in this directory. Worcester Bosch extends two years beyond the industry standard 5-year warranty — reflecting confidence in the product's reliability
🔧
1,000+ Irish service engineers
If your heat pump needs servicing, a Worcester Bosch-trained engineer can reach you from anywhere in Ireland. The same network that has serviced WB gas boilers for decades — already in your area
🔄
Smooth transition from gas
If you already have a Worcester Bosch boiler and controls, the Greenstar Heat Pump integrates seamlessly — the Wave app works across both, and existing zoning and programming carries over
Compatibility note: Yes — up to 65°C, designed to integrate with existing Worcester Bosch systems. A SEAI-registered heat pump installer will complete a heat loss assessment and radiator compatibility check before installation — this is required as part of the grant process.
✅ What we like
7-year standard warranty — longest in this directory
Same service network as Worcester Bosch gas boilers — 1,000+ Irish service engineers
65°C flow temperature — radiator compatible for most Irish homes
SEAI grant eligible — up to €12,500 (houses, fossil fuel switchers, from 3 Feb 2026)
Familiar controls for homeowners switching from Worcester Bosch boilers
OpenTherm compatibility for smart thermostat integration
⚠️ Worth knowing
SCOP 4.43 — lower seasonal efficiency than Mitsubishi, Samsung or Panasonic
Hot water cylinder not included
48 dBA — moderate noise level
Operates to −20°C vs −25°C for some rivals
💧 Compatible hot water cylinders
The Greenstar Heat Pump 8 kW requires a separately purchased hot water cylinder with a large primary coil (minimum 2.5 m²) to work efficiently at heat pump flow temperatures of 45–55°C. These cylinders are confirmed compatible with Worcester Bosch heat pumps. Browse all cylinders →
💰 SEAI grant covers the cylinder: The cylinder cost is included within the SEAI Heat Pump System Grant (up to €12,500). Cylinders are not individually grant-funded — the grant applies to the total installed system cost.
🧠 Compatible smart energy devices
Smart thermostats and energy management systems reduce heat pump running costs by 15–30% by scheduling operation around cheap electricity, solar generation and occupancy patterns. Browse all smart energy products →
🔋 Pair with battery storage — run your heat pump on solar
The most cost-effective way to run a heat pump in Ireland: pair with solar panels and a home battery. Solar generates free electricity during the day; the battery stores surplus for evening and overnight heat pump operation — reducing your annual electricity bill by 70–85%. Browse all batteries →
💰 SEAI Solar + Battery grant: The SEAI Solar PV Home Grant covers up to €1,800 for solar panel installation. Combined with the heat pump grant (up to €12,500) and the EV home charger grant (€300), the maximum SEAI support for a complete solar + heat pump + EV system is approximately €14,600.
🚗 Complete the picture — add an electric car
A heat pump and an EV are Ireland's most powerful energy saving pair. See all 205+ EVs in the EV Vehicle Directory.
🌡️ Heat pump + EV: Ireland's most powerful energy saving combination
🌡️ Heat pump vs oil
70% cheaper
to heat your home
🚗 EV vs petrol
80% cheaper
per km on night rate
💶 Combined saving
~€3,500/yr
heat pump + EV combined
Add solar panels and your EV charges from your roof for free while your heat pump runs on cheap night-rate electricity. A myenergi Zappi coordinates solar surplus and a Tado V3+ starts the heat pump en route home. View Zappi →
☀️ Pair with solar panels — maximise your SEAI grants in Ireland
A heat pump and solar panels are the most powerful renewable combination available to Irish homeowners today. Your Worcester Bosch heat pump runs entirely on electricity — solar generates that electricity from your roof at zero cost. Both qualify for substantial SEAI grants. See the full Solar Panel Directory for all models available in Ireland.
💰 Combined SEAI grant opportunity — apply together
🌡️ Heat Pump Grant
€12,500
max (incl. bonus)
☀️ Solar PV Grant
€1,800
max residential
🏆 Total available
€14,600
in SEAI grants
How the solar grant works alongside your heat pump grant:
SEAI Solar PV Home Grant (up to 2kWp @ €900/kWp)up to €1,800Heat Pump Equipment Grant (all qualifying homes)€6,500Central Heating Upgrade Grant (if needed)+ €2,000Renewable Heat Bonus (switching from oil/gas)+ €4,000EV Home Charger Grant (SEAI)+ €300Maximum total combined grant€14,600
💡 Apply BEFORE installation begins. Both the Heat Pump and Solar PV grants require a SEAI Letter of Offer before any contractor starts work. You can apply for both in the same process — ask your installer to coordinate a combined application. Also note: 9% VAT applies to heat pump supply and installation (reduced from 23% since 1 Jan 2025).
🌡️ Why a heat pump and solar are the perfect pair: A heat pump runs entirely on electricity — and a solar system generates free electricity from your roof. A typical 4kWp solar system generates ~3,400–3,800 kWh/year. Your Worcester Bosch Greenstar Heat Pump 8 kW uses ~3,000–5,000 kWh/year for heating and hot water. With both installed, your solar covers a large portion of your heat pump's electricity use — at zero cost. The combination is the highest-savings renewable upgrade available to Irish homeowners today.
The heat pump unit is one component of a complete home heating system. Below is a realistic breakdown of what a full installation in an Irish home typically costs — and what the SEAI grant covers.
What's included in the install
🌡️ Heat pump outdoor unit (supply)
💧 Hot water cylinder (180L) — ~€600–€900
🔧 Installation & commissioning — ~€2,500–€4,000
📋 BER assessment (SEAI grant: €200) — ~€250–€350
🌡️ Controls, piping, wiring — ~€500–€800
⚡ Heat loss & design survey — ~€200–€350
SEAI Grant
After grants
Supply price: ~€6,600
Full install: ~€13,000
SEAI grant (max houses): − €12,500
BER assessment grant: − €200
~€300 effective cost
Pair with solar & battery
Solar-powered heat pump — the best combination for Irish energy independence. SEAI grants on both.
⚠️ Grant process reminder: Apply at seai.ie and receive your Letter of Offer before installation begins. Starting work before the Letter of Offer permanently disqualifies the grant. Installer must be on the SEAI registered contractor list.
🏠 Your complete renewable home upgrade
The Greenstar Heat Pump 8 kW is the starting point of a complete home energy upgrade. Heat pump + solar + battery is the highest-savings renewable combination available to Irish homeowners today — and both heat pump and solar qualify for separate SEAI grants you can apply for together.
🌡️
Heat pump
Worcester Bosch Greenstar Heat Pump 8 kW — SEAI grant up to €12,500 when switching from fossil fuel
☀️
Solar panels
Run your heat pump on free solar electricity — SEAI solar grant up to €1,800
🔋
Battery storage
Store surplus solar for overnight heat pump operation — cuts grid import by 40–60%
🔌
EV home charger
Charge your EV for free from solar — myenergi Zappi Eco+ mode. SEAI EV Home Charger Grant: €300
💧
Hot water cylinder
Required for air-to-water heat pumps — large-coil cylinders maximise efficiency
💰 Total SEAI grants available: ~€14,600 — Maximum SEAI grants available: Heat pump up to €12,500 + Solar PV up to €1,800 + EV home charger €300 = €14,600 total. Apply at seai.ie before installation begins.
Find SEAI-registered heat pump installers near you
Tell us what combination you need — heat pump only or a complete renewable upgrade. We match you with up to 3 SEAI-registered installers in your area. Free, no obligation.
🌡️ Get matched with local installers
Up to 3 SEAI-registered installers in your area will contact you within 1 business day with system recommendations and pricing.
💶 Get quotes
3 local installers · 1 business day
💬 Get advice first
Free assessment · no obligation
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✅
Request sent!
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De Energy Hub
More power to youTM.
🏡 Built for holiday lets, Airbnb hosts & short-term rental
Guest EV charging — automated, no host involvement required
Holiday home owners with heat pump + solar systems can offer guest EV charging on Pure Solar power — fully automated. Set up once, generate a QR code, and let guests book, check in and check out without any host involvement. Include complimentary charging as a listing USP.
☀️ Pure Energy🔄 Smart Energy🚀 Boost Energy
📱
Zero host involvement
Guests book, check in and check out via the app — you receive notifications without lifting a finger
🌿
Pure Solar as a USP
Market your property as offering 100% solar-powered EV charging — increasingly sought after on Airbnb
🎟️
Free or paid — your choice
Set charging free with a promo code, or earn per session — toggle any time from the host dashboard
With a SCOP of 4.43, the Worcester Bosch Greenstar Heat Pump 8 kW produces 4.43 kWh of heat for every 1 kWh of electricity consumed. For a typical Irish home using ~12,000 kWh of heat per year, the pump needs approximately 2,709 kWh of electricity — at the current average Irish electricity rate of ~€0.38/kWh, that is ~€1,029 per year. Compare that to a typical oil boiler consuming ~900 litres at €0.90/litre (€1,080/yr). Annual saving: approximately €51. Switching to a Night Saver or smart tariff can reduce heat pump electricity costs by a further 20–30%, improving savings further.
The Worcester Bosch Greenstar Heat Pump 8 kW has a typical installed price of approximately €13,000 (including the hot water cylinder — sourced separately, installation and commissioning). The maximum SEAI heat pump grant from 3 February 2026 is €12,500 for houses switching from fossil fuel heating — made up of: ① €6,500 Heat Pump Equipment Grant, ② €2,000 Central Heating Upgrade Grant (if radiators need work), ③ €4,000 Renewable Heat Bonus. After the maximum grant, the effective cost is approximately €500. Apply at seai.ie before installation begins — you must receive a Letter of Offer first.
SEAI requires a minimum BER rating of B3 or above (or a satisfactory Heat Loss Indicator result) before approving a heat pump grant. Practically, the Worcester Bosch Greenstar Heat Pump 8 kW — with a maximum flow temperature of 65°C — is most efficient in a well-insulated home. Attic insulation, wall cavity fill and draught-proofing are the most cost-effective first steps. SEAI offers separate grants for insulation under the Better Energy Homes scheme. Your installer will complete a heat loss assessment and BER advisory during the site survey — this assessment is a requirement of the grant process and a separate SEAI grant of €200 is available to cover it.
The Worcester Bosch Greenstar Heat Pump 8 kW operates at a maximum flow temperature of 65°C. Radiators in older Irish homes are often sized for boiler temperatures of 70–80°C — at 65°C, they may deliver less heat than they would with a boiler, meaning the coldest rooms on the coldest days may need the radiators upsized. In practice: homes built after 2000 with well-sized radiators usually require minimal changes. Homes built before 1990 with older small radiators may need the largest radiators replaced or supplemented. Your installer will carry out a room-by-room heat loss calculation and radiator assessment as part of the SEAI grant survey — this is mandatory before grant approval.
A well-maintained Worcester Bosch heat pump should last 15–25 years, with the compressor unit typically lasting 15–20 years and the overall system potentially longer with component replacement as needed. Annual servicing by a qualified F-Gas / heat pump engineer is recommended to maintain efficiency and catch issues early. The 7-year warranty covers manufacturing defects. Annual degradation in SCOP is typically minimal in well-maintained systems — keeping your running costs stable over the full lifetime.
Worcester Bosch's key advantage is service coverage and trust. Their network of trained and certified engineers covers every county in Ireland — when something needs attention, you won't wait weeks for a specialist. The 7-year warranty is also the longest standard warranty in this directory — two years more than most competitors. For homeowners who value reliability and service access over maximum efficiency, Worcester Bosch is the pragmatic choice.
Yes — a hybrid configuration is possible where the Worcester Bosch boiler provides supplemental heat during very cold periods while the heat pump handles the majority of the heating load. This is particularly useful if your home is not yet fully insulated and you want a lower-risk transition. Your installer can configure automatic changeover based on outdoor temperature so the most cost-effective heat source runs at all times.
🌡️ Also consider
Other residential heat pumps in our Irish directory.
