Castle Hotel
Project Overview
The project involved the replacement of the existing fossil-fuel-based pool heating system with a MasterTherm BA60i inverter heat pump. Designed for high performance and reliability, this system delivers low-temperature hot water (LTHW) directly to the pool heating circuit, ensuring precise temperature control and sustainable operation.
Scope of Works
- Removal of the existing boiler or direct electric heating system (if applicable)
- Installation of 1 × BA60i MasterTherm air-to-water inverter heat pump
- Direct connection to the pool heat exchanger system
- Integration with the hotel’s heating control infrastructure
- Heat Pump System Overview
- Pool Heating
- 1 × MasterTherm BA60i Inverter Heat Pump
- Supplies LTHW to the swimming pool heating circuit
- Inverter-driven for precise temperature control and energy efficiency
- Designed to maintain stable water temperatures in all seasons
- Quiet operation, ideal for leisure and hospitality environments
- Intelligent Control & Monitoring
- The system is connected to MasterTherm’s integrated control platform, offering:
- Real-time temperature control of the pool heating loop
- Weather-compensated performance adjustment
- Optional remote monitoring and diagnostics
- Integration-ready for future BMS or smart system upgrades
Tech Notes & Smart Control
- BA60i sized to pool HX duty with stable ΔT for precise water temperature control.
- Weather‑compensated LTHW and optional remote diagnostics for quick FM response.
Guest Experience & Operations
- Quieter pool plant and consistent swim temperatures throughout the day.
Energy & Carbon (SEAI)
- Switching from fossil-fired plant to high-efficiency heat pumps reduces on‑site combustion (Scope 1) and cuts overall CO₂ per guest‑night.
- Heat recovery (where fitted) further lowers electrical input per kWh of useful heat or DHW.
- Aligned with SEAI guidance for decarbonising hospitality; suitable for EXEED‑style M&V and public‑sector style reporting where applicable.
- Benefits grow as the Irish electricity grid continues to decarbonise, improving the carbon intensity of delivered heat over time.


