With the UKβs push toward greener heating and gas boilers being phased out in new builds, many Cardiff homeowners are asking:
βCan I replace my existing gas boiler with a heat pump?β
The short answer? Yes β but with a few important considerations.
At Right Fit Heating, we specialise in helping customers make the switch seamlessly. Hereβs what you need to know.
π What You’ll Learn:
π Can You Replace a Boiler with a Heat Pump?
π What Makes a Home Heat Pump-Ready?
π Will It Work with Radiators or Underfloor Heating?
π How Much Work Is Involved in the Switch?
π Is It Worth It in Cardiff?
π§ Can You Replace a Boiler with a Heat Pump?
Yes β in most cases, you can remove your gas boiler and install a heat pump system.
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Air source heat pumps are the most common retrofit
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They work well for both houses and flats
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Your heating system may need some upgrades to match the lower flow temps
π‘ What Makes a Home Heat Pump-Ready?
For the most efficient switch, your property should have:
π§± Good insulation (especially loft and cavity walls)
πͺ Double glazing
π Room to fit the external unit (usually wall- or ground-mounted)
Donβt worry β our survey team will check all this before installation.
πΌοΈ [Insert image: Heat pump being installed in a Cardiff semi-detached home]
β¨οΈ Will It Work with Radiators or Underfloor Heating?
Absolutely. But it depends on sizing.
π‘οΈ Heat pumps use lower temperatures than boilers
π Older radiators may need replacing with larger surface models
π₯ Underfloor heating is a great match, but not essential
π¨ How Much Work Is Involved in the Switch?
This depends on your homeβs current system. Expect:
π οΈ Removal of boiler and tank (if combi)
π Install of hot water cylinder (for most heat pumps)
β‘ Electrical upgrades and outdoor unit setup
Typical installations take 3β5 days. Weβll handle the whole process, including grants if applicable.
π Is It Worth It in Cardiff?
Yes β especially with rising gas prices and increasing local demand for low-carbon heating.
are ideal for our mild winters
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You may qualify for funding under the Boiler Upgrade Scheme
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Youβll save money long-term and boost your EPC rating
β Final Thought
Ready to ditch gas for good? Right Fit Heating can assess your home, recommend the right system, and install your new heat pump with zero stress.
Book a free consultation today and letβs start planning your greener future.



