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Should You Keep Your Air Source Heat Pump Running Day AND Night?

Surprisingly, it costs less to keep your heat pump running all the time than to turn it on and off!

If you’re used to a traditional gas boiler, you probably switch it on when you’re cold and off when you’re not. Makes sense, right? But air source heat pumps (ASHPs) work differently and trying to run them like a gas boiler could actually cost you more!

How an Air Source Heat Pump Works Differently

Instead of blasting out heat in short bursts like a boiler, an ASHP works steadily, pulling warmth from the outside air—even in winter—to keep your home comfortable. It doesn’t ‘fire up’ in the same way a gas boiler does, and it’s designed to maintain a steady temperature rather than switching on and off all the time.


Why You Should Keep Your Heat Pump Running 24/7

It might feel a bit weird at first, but keeping your heat pump running all the time is actually more efficient. Here’s why:

  • No energy spikes. A gas boiler quickly heats up a room but then cools down just as fast, forcing it to start the cycle again. Heat pumps, on the other hand, work best when maintaining a steady temperature. Constantly turning them on and off forces them to work harder, using more energy overall.
  • Better performance in cold weather. If you switch your heat pump off at night, it has to work even harder in the morning—not just warming up your house but also fighting against the cold, damp air that settles overnight. That early morning temperature drop can mean a big energy spike when you turn it back on!
  • It’s like central heating on low. Ever heard that keeping your central heating at a steady temperature is more efficient than turning it on and off? The same principle applies to heat pumps, but even more so. They thrive on consistency!

Thinking About Getting a Heat Pump?

If you’re considering switching to an air source heat pump, you might be eligible for financial support through the Boiler Upgrade Scheme. Plus, when paired with smart energy tariffs, they can save you money in the long run.

Interested? Get in touch with us to find out how you can make the switch to an energy-efficient, cost-effective heating system!

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