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Side by side comparisons of the choices most Dublin homeowners are weighing up.

- 01Heat pump vs gas boilerUpfront cost, running cost, carbon and comfort, side by side.
- 02Heat pump vs oil boilerFor homes on oil, a heat pump is usually the clearest win.
- 03Air to water vs air to airOne heats your radiators and water; the other blows warm or cool air. Which do you need?
- 04A/C unit vs air to air heat pumpThey look the same on the wall. The difference is what they're built and rated to do.
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- Heating and hot water
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