How Much Do Electric Storage Heaters Cost?

How Much Do Electric Storage Heaters Cost comparison table
TypeCostFeatures
Acova€300 - €500High efficiency, programmable timers, smart controls
Creda€200 - €500High efficiency, programmable timers, smart controls
Blyss€100 - €200Functional basic design, programmable timers

Installation costs typically range from €100 to €300.

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How Much Do Storage Heaters Cost to Run per Day?

A typical 400W storage heater costs about €1 per day to run.

Standard Rate (0.35c/kWh)

Standard Rate (0.35c/kWh) comparison table
Power RatingPer HourPer DayPer Week
400W€0.14€0.98€6.86
800W€0.28€1.96€13.72
1100W€0.38€2.70€18.87
1400W€0.49€3.43€24.01
1700W€0.60€4.16€29.16

Night Rate (0.18c/kWh)

Night Rate (0.18c/kWh) comparison table
Power RatingPer HourPer DayPer Week
400W€0.07€0.50€3.53
800W€0.14€1.01€7.06
1100W€0.20€1.39€9.70
1400W€0.25€1.76€12.35
1700W€0.31€2.14€14.99

By switching to a nighttime rate, you can reduce the cost of your storage heater by almost 50%.

How Do Storage Heaters Work?

Storage heaters are wall-mounted heaters that draw electricity during nighttime and store it as heat in a bank of ceramic or clay bricks inside the heater. Heat is released over the following day. It takes about 7 to 8 hours of charging to release about 7 hours of heat.

Electric Storage Heater

Five Types of Storage Heaters

  1. Manual — Most common and cheapest; lack thermostat/timer.
  2. Automatic — Include timer and thermostat to prevent overheating.
  3. Automatic Combination — Combine storage with convection heater for flexible heating.
  4. Fan-Assisted — Include fans for even heat distribution.
  5. Quantum — Most advanced; up to 27% more energy-efficient; Wi-Fi, smart controls.

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Pros and Cons of Storage Heaters

Advantages

  • Cheaper to run than other electric heating types
  • Easy and quick installation
  • No plumbing or pipework required
  • Individual units function independently
  • Minimal maintenance required

Disadvantages

  • Requires Nightsaver meter installation
  • Manual models cause overheated/underheated rooms
  • Most heat released by evening
  • Fire risk if covered or used for drying clothes
  • Cannot generate heat on demand

Frequently Asked Questions About Storage Heaters in Ireland

Storage heaters range from €100-€200 for basic Blyss models to €300-€500 for high-efficiency brands like Acova and Creda. Installation typically costs an additional €100-€300.
A typical 400W storage heater costs about €1 per day on a standard rate (0.35c/kWh). By switching to a nighttime rate, you can reduce this by almost 50% to around €0.50 per day.
Storage heaters draw electricity during nighttime hours and store it as heat in ceramic or clay bricks inside the unit. The stored heat is then gradually released over the following day. It takes about 7-8 hours of charging to release approximately 7 hours of heat.
Quantum storage heaters are the most advanced, offering up to 27% more energy efficiency than standard models. They include Wi-Fi connectivity, smart controls, and can be programmed for optimal heat distribution throughout the day.
Yes, to benefit from cheaper overnight electricity rates, you need a Nightsaver meter installed. This provides significantly cheaper night-time rates, which is when storage heaters draw their electricity to charge the ceramic bricks.