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Efficiency & COP
Understanding heat pump performance and energy savings
What does COP mean for my energy bills?
COP (Coefficient of Performance) measures efficiency. A standard electric heater has COP 1 (100% efficiency). A Karnot heat pump with COP 4.5 gives 4.5 kWh of heat for 1 kWh electricity — 450% efficiency.
For every peso spent on electric heating, a Karnot system costs about 22 centavos, saving up to 78%.
What is the “75/25 Principle”?
- 25% Electrical Input: Powers high-efficiency compressors.
- 75% Reclaimed Energy: Harvested free from ambient air or waste heat.
Result: 100% thermal energy with up to 75% cost reduction.
Natural Refrigerants
R290, CO₂, and why natural refrigerants matter
Are natural refrigerants like R290 (Propane) safe?
Yes, extremely safe in purpose-built, certified systems. Our iHEAT units comply with IEC 60335-2-40 with minimal refrigerant charge in sealed outdoor units, leak detection sensors, and flame-proof electrical components.
Which refrigerant is best for hot water heating?
- High-temp water (60–90 °C): CO₂ (R744) — maintains incredible efficiency at high temperatures.
- Standard hot water (up to 75 °C): R290 (Propane) — fantastic performance, safe in certified systems.
Both vastly superior to older F-gases like R410A being phased out globally.
Comparisons & Suitability
How heat pumps stack up against traditional systems
How does a heat pump compare to a gas or diesel boiler?
A fossil fuel boiler is less than 100% efficient (COP below 1.0). A Karnot heat pump is 300–500%+ efficient (COP 3.0–5.0+), delivering 60–80% reduction in energy costs with zero on-site emissions.
Why are Karnot heat pumps ideal for the Philippines?
Philippine ambient air is a rich, free source of thermal energy. Systems operate at peak efficiency year-round in tropical climates. Natural refrigerants are future-proof against Kigali Amendment phase-downs.
Can I use a heat pump with unreliable power?
Absolutely. Because heat pumps use so little electricity compared to output, they pair perfectly with solar PV and battery storage for grid-independent operation.
Product & Smart Controls
iHEAT features, lifespan, and intelligent operation
What is the typical lifespan of an iHEAT pump?
With proper annual maintenance, expect 15 to 20+ years. Built with Panasonic compressors and CAREL controllers for maximum durability.
What makes the iHEAT control system “smart”?
- Real-Time Optimisation: Adjusts compressor speed and valves continuously.
- IIoT Cloud Connectivity: Remote monitoring, fault diagnostics, predictive maintenance.
- SG Ready: Smart Grid integration for off-peak thermal storage.
What operating modes are available?
- Auto: Balanced demand and efficiency.
- Eco: Energy savings, ideal for solar pairing.
- Boost: Maximum power for peak demand.
- Silent: Reduced noise for night-time operation.
- Vacation: Baseline temperature while away.
Installation & Hydronic Systems
Water-based heating and system design
Why are hydronic systems a good match for iHEAT?
- Maximum Efficiency: Water is 3,500x more effective at transferring heat than air.
- Superior Comfort: Silent, no drafts, even temperature.
- Design Flexibility: Compact water pipes instead of bulky air ducts.
Still Have Questions?
Our engineers are ready to help you design the perfect heat pump solution for your facility.