The Best Air Source Heat Pumps for UK Homes in 2024

Mathias Schaefer

Content specialist

Topic

Heat Pumps

Published

February 16, 2025

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The Best Air Source Heat Pumps for UK Homes in 2024

Looking to make your home more energy-efficient in 2024? Air source heat pumps might just be the solution. They pull heat from the outside air to warm your home and provide hot water, making them a great eco-friendly choice. With so many options out there, picking the right one can be a bit overwhelming. But don't worry, we've rounded up the best air source heat pumps available in the UK to help you make an informed decision.

Key Takeaways

  • Air source heat pumps are an eco-friendly way to heat your home and provide hot water by extracting heat from the air outside.
  • Choosing the right heat pump involves considering factors like energy efficiency, cost, and compatibility with your current heating system.
  • Government grants can help offset the cost of installing a heat pump, making it a more affordable option for many households.

1. Aira Heat Pump 12kW

The Aira Heat Pump 12kW is a standout choice for homeowners in the UK looking for an efficient and reliable heating solution. Engineered by the renowned Swedish company Aira, this heat pump combines sleek design with robust performance, making it an excellent all-rounder.

Key Features

  • 15-Year Warranty: The Aira Heat Pump offers a remarkable 15-year warranty, providing peace of mind and showcasing the company's confidence in their product's longevity.
  • Energy Efficiency: With an efficiency rating of 470%, this model ensures substantial energy savings, potentially reducing your energy bills significantly.
  • Cold Weather Performance: This heat pump is designed to operate efficiently even in temperatures as low as -25°C, ensuring consistent warmth throughout the harshest UK winters.
  • Smart Technology: The accompanying app allows users to control the system remotely, providing flexibility and convenience.

Cost-Effectiveness

One of the most appealing aspects of the Aira Heat Pump is its cost-effectiveness. Customers can opt for a subscription model, eliminating the need for an upfront payment. This approach not only makes the pump more accessible but also aligns with Aira's mission to offer affordable solutions for UK homes.

The Aira Heat Pump 12kW is not just a heating solution; it's a commitment to sustainable and efficient living, making it a preferred choice for those looking to transition from traditional heating systems.

User Experience

Customers have consistently praised the Aira Heat Pump for its reliability and ease of use. The integration of smart technology, coupled with its quiet operation, enhances the overall user experience, making it a favourite among homeowners.

In summary, the Aira Heat Pump 12kW combines style, efficiency, and smart technology, making it a leading option for those seeking a modern and effective heating solution for their home. For more insights on renewable energy options like this, explore our comprehensive renewable energy guides.

2. Grant Aerona³ R32 17kW

The Grant Aerona³ R32 17kW is a powerhouse in the realm of air source heat pumps, making it an ideal choice for larger homes. This model stands out due to its impressive 17kW capacity, which can efficiently meet the heating demands of spacious properties.

Key Features

  • High Efficiency: With a Seasonal Coefficient of Performance (SCOP) of 4.54, the Aerona³ R32 ensures substantial energy savings, even in colder climates.
  • Compact Design: Despite its power, this unit maintains a compact form, making installation easier without compromising on performance.
  • Robust Warranty: Comes with a seven-year warranty, provided by an approved installer, ensuring peace of mind.

Specifications

Pros and Cons

  • Pros:
  • Cons:
The Grant Aerona³ R32 17kW is an excellent solution for homeowners looking to reduce their carbon footprint while maintaining efficient heating. Its combination of power, efficiency, and compact design makes it a standout choice for those with larger properties.

This heat pump not only meets the heating needs of larger homes but also aligns with sustainable energy goals, making it a wise investment for the future. For those interested in further enhancing their home's energy efficiency, exploring financial support options for renewable energy installations like solar panels could be beneficial.

3. Vaillant aroTHERM Plus 7kW

The Vaillant aroTHERM Plus 7kW heat pump is a standout choice for those seeking a blend of efficiency and eco-friendliness. This model is particularly known for its innovative use of natural refrigerants, which significantly reduces its environmental impact compared to traditional systems. Homeowners looking to integrate renewable energy sources will find this feature especially appealing.

Key Features

  • Power Output: Available in 3.5kW to 12kW, with the 7kW model being ideal for medium-sized homes.
  • Energy Rating: Ranges from A++ to A+++, ensuring excellent energy efficiency.
  • Warranty: Comes with a seven-year warranty, provided it is installed by an approved professional.
  • Dimensions: 1,100 x 765 x 449 mm, making it compact enough for various installation spaces.

Performance and Efficiency

The aroTHERM Plus boasts a high Seasonal Coefficient of Performance (SCOP) of up to 5.03, meaning it can produce over five times the energy it consumes. This high efficiency is complemented by its ability to operate effectively at temperatures as low as -20°C, making it suitable for use throughout the UK.

Installation Considerations

To fully benefit from the Vaillant aroTHERM Plus, it is recommended to pair it with a compatible water cylinder and indoor unit. Additionally, using a certified installer not only ensures optimal performance but also secures the full warranty period.

The Vaillant aroTHERM Plus 7kW is a future-proof investment, especially when combined with renewable energy sources like solar panels. It's an excellent choice for those looking to shift from conventional heating systems to a more sustainable solution.

For homeowners considering this upgrade, the Boiler Upgrade Scheme in the UK may offer financial incentives, making the transition to a heat pump more affordable.

4. LG Therma V R32 Monobloc S 16kW

LG Therma V R32 Monobloc S heat pump outside a house.

The LG Therma V R32 Monobloc S 16kW is a standout in the heat pump market, known for its balance of performance and affordability. It offers a power output range from 5kW to 16kW, making it versatile for various home sizes. With an ErP rating of A+++ for low-temperature applications, it ensures significant energy savings.

Key Features

  • Wide Temperature Range: Operates efficiently in temperatures as low as -25°C, maintaining full capacity even at -10°C.
  • Simple Installation: The absence of external refrigerant piping makes it easy to install, ideal for urban homes.
  • Quiet Operation: Equipped with noise reduction technology, it’s perfect for flats and residential areas.

Pricing and Warranty

  • Competitive Pricing: The 16kW model is priced around £4,550, which is affordable compared to similar models.
  • Warranty: Comes with a 7-year warranty when installed by approved professionals.

Environmental Impact

  • Eco-Friendly Refrigerant: Utilises R32 refrigerant, emphasising sustainability.
The LG Therma V R32 Monobloc S 16kW is an excellent choice for those seeking a cost-effective and efficient heating solution. Its robust performance in cold climates and competitive pricing make it a top contender in the UK market.

5. Vaillant flexoTHERM 400v 19kW

Vaillant flexoTHERM 400v heat pump in a garden setting.

The Vaillant flexoTHERM 400v 19kW is a powerhouse in the world of air source heat pumps, designed to cater to homes with substantial heating needs. This model stands out due to its impressive heating capacity, making it ideal for larger properties or those with significant energy demands.

Key Features

  • Power Output: With a peak power output of 19kW, this heat pump can efficiently heat large spaces, providing both warmth and hot water.
  • Efficiency: The flexoTHERM boasts an excellent energy efficiency rating, producing nearly five times the energy it consumes, which can lead to significant savings on energy bills.
  • Temperature Capability: It can rapidly heat water to 65°C, ensuring quick access to hot water when required.

Pros

  • Available in a variety of sizes from 5kW to 19kW, offering flexibility to suit different home sizes and heating requirements.
  • Comes with a seven-year warranty when installed by an approved professional, providing peace of mind.
  • Compact design for its power, making it a versatile choice for different installation spaces.

Cons

  • The 19kW model is on the pricier side, with costs exceeding £8,000.
  • Requires installation by an approved installer to benefit from the full warranty.
Investing in a powerful heat pump like the Vaillant flexoTHERM 400v 19kW not only meets high heating demands but also contributes to a sustainable home environment. Regular maintenance of an air source heat pump is essential to ensure its longevity and optimal performance.

This model is not just about power; it’s about delivering efficient heating solutions that align with modern energy standards. If you're looking for a reliable and robust option, the Vaillant flexoTHERM 400v 19kW is worth considering.

6. Samsung EHS Mono HT Quiet

The Samsung EHS Mono HT Quiet is a top contender for those seeking a heat pump that operates without disturbing the peace of a home. Its innovative design focuses on reducing noise, making it an excellent choice for those sensitive to sound.

Features

  • Noise Reduction: This model includes a double-layered sound insulation system and a patented Groove Grid Felt design, allowing it to operate at noise levels as low as 35 decibels. This is quieter than a typical refrigerator, ensuring a serene home environment.
  • Cold Climate Performance: The pump excels in cold weather, maintaining full heating performance even when temperatures drop to -25°C. This ensures consistent warmth throughout the harshest winters.
  • High Efficiency: Capable of producing water temperatures up to 70°C, it can easily replace a traditional gas boiler, providing both efficiency and high performance.
The Samsung EHS Mono HT Quiet stands out not only for its quiet operation but also for its robust performance in extreme weather conditions. It's a reliable option for maintaining a comfortable home environment year-round.

Customer Satisfaction

Feedback from users often highlights the model's quiet operation and reliable performance. Many appreciate how it maintains a comfortable home atmosphere without the usual hum associated with heat pumps.

For those interested in keeping up with the latest in heat pump technology, consider subscribing to quality content shared weekly to stay informed about new developments and reviews.

Specifications

This heat pump combines whisper-quiet operation with high performance, making it a top choice for those prioritising a peaceful living environment.

7. MasterTherm UK BoxAir Inverter

The MasterTherm UK BoxAir Inverter is a premium heat pump known for its durability and consistent performance. Unlike standard models, it features inverter technology that maintains stable temperatures without constant on-off cycling, reducing wear and tear.

Key Features

  • Inverter Technology: Modulates output to maintain stable temperatures, enhancing efficiency.
  • Durability: Constructed from high-quality materials, it withstands harsh environmental conditions.
  • Internet Connected: Offers app-based control and troubleshooting for convenience.

Specifications

Pros

  • Excellent efficiency and energy savings.
  • Minimal maintenance with annual checks.
  • Specially coated for protection in coastal areas.

Cons

  • Higher initial cost compared to some other models.
For those seeking a reliable, long-lasting heat pump, the MasterTherm UK BoxAir Inverter is an excellent choice. Its robust build and advanced features make it a standout in its category.

For more insights into sustainable living and renewable energy options, consider exploring EcoHelp’s resources to enhance your journey to sustainability.

8. Daikin Altherma 3 H HT

The Daikin Altherma 3 H HT is a standout choice for those seeking reliable heating in colder climates. It's designed to perform efficiently even when temperatures drop as low as -28°C. This makes it an excellent option for UK homes that experience harsh winter conditions.

Key Features

  • High Temperature Output: The Altherma 3 H HT can provide hot water at temperatures up to 70°C, similar to traditional gas boilers. This capability ensures that your home remains warm and comfortable even during the coldest months.
  • Durability: Built with robust materials, this heat pump promises long-term reliability, delivering consistent performance in various weather conditions.
  • Smart Technology: Equipped with the Daikin Residential Controller App, you can manage your heating system remotely via your smartphone. This feature integrates with smart assistants like Google Assistant and Amazon Alexa for added convenience.

Performance

  • Cold Weather Efficiency: Capable of operating efficiently at temperatures as low as -28°C, it ensures your home stays warm regardless of the external weather.
  • Energy Efficiency: With an impressive A+++ energy rating, the Daikin Altherma 3 H HT is designed to save on electricity bills while reducing your carbon footprint.

Installation and Compatibility

  • Easy Integration: This unit is designed to work seamlessly with existing heating systems, including radiators. For optimal performance, ensure your radiators are adequately sized and your home is well-insulated. Consulting a heating engineer can help assess compatibility and suggest modifications, such as upgrading to larger radiators or considering underfloor heating for better performance. Learn more about radiator compatibility.
The Daikin Altherma 3 H HT is not just a heating solution; it's a commitment to sustainability and comfort, ensuring your home remains a haven of warmth even in the chilliest weather.

In summary, the Daikin Altherma 3 H HT combines advanced technology with robust construction to deliver outstanding heating performance, making it a top choice for UK homeowners looking to upgrade their heating systems.

9. HydroPro ECO 12

The HydroPro ECO 12 is an air source heat pump that shines particularly for its ability to heat swimming pools efficiently. If you own a pool, this system could significantly cut both your energy bills and carbon footprint.

Key Features

  • High Efficiency: The HydroPro ECO 12 boasts an impressive efficiency rating, making it a cost-effective choice for pool heating.
  • Durability: Built to withstand various weather conditions, this heat pump is designed to last.
  • Smart Connectivity: Equipped with internet connectivity, you can control and troubleshoot the system via an app.

Pros

  • Excellent efficiency for pool heating
  • Durable construction
  • Internet-connected with app control

Cons

  • Higher initial cost, potentially reaching £16,000 or more
If you're aiming to reduce your swimming pool's energy consumption, the HydroPro ECO 12 might be the investment you need.

For those interested in exploring renewable energy options further, Maria Fuerst at EcoHelp offers valuable insights and guidance on your energy journey.

10. Dimplex System H6 HTi70 8kW

The Dimplex System H6 HTi70 8kW offers a reliable solution for those seeking an efficient air source heat pump suitable for medium-sized homes. This model is designed to deliver consistent heating performance even in the colder months, ensuring your home remains comfortable all year round.

Key Features

  • Heating Capacity: The Dimplex System H6 HTi70 provides an 8kW output, making it ideal for medium-sized properties.
  • Energy Efficiency: With a high energy efficiency rating, this model ensures reduced energy consumption and lower utility bills.
  • Quiet Operation: Designed with noise reduction technology, this heat pump operates quietly, making it a great choice for residential areas.

Benefits

  1. Consistent Performance: This model is engineered to maintain stable temperature levels, providing reliable heat during the coldest months.
  2. Environmentally Friendly: Utilising eco-friendly refrigerants, it minimises environmental impact while delivering effective heating.
  3. Easy Installation: The Dimplex System H6 HTi70 is designed for straightforward installation, reducing setup time and costs.
For homeowners interested in sustainable energy solutions, exploring heat pumps and renewable energy options can provide valuable insights into potential savings and benefits.

Considerations

  • Initial Cost: While the upfront cost may be higher compared to traditional systems, the long-term savings on energy bills can offset this investment.
  • Space Requirements: Ensure adequate space for installation, as the unit requires a suitable outdoor area for optimal performance.

The Dimplex System H6 HTi70 8kW is a robust choice for those looking to improve their home's heating efficiency without compromising on comfort or environmental impact.

The Dimplex System H6 HTi70 8kW is a powerful heating solution that can keep your home warm and comfortable. This system is designed to be efficient and easy to use, making it a great choice for anyone looking to improve their heating. If you're interested in learning more about how this system can benefit you, visit our website for more information and expert advice!

Conclusion

In conclusion, selecting the right air source heat pump for your UK home in 2024 involves considering various factors such as efficiency, cost, and compatibility with your existing heating system. With numerous options available, it's crucial to focus on what suits your specific needs and budget. Government grants can significantly offset the initial costs, making this eco-friendly choice more accessible. As we move towards a more sustainable future, investing in a heat pump not only reduces your carbon footprint but also offers long-term savings on energy bills. Take the time to assess your requirements and explore the best options available to ensure a comfortable and efficient heating solution for your home.

Frequently Asked Questions

What is an air source heat pump?

An air source heat pump is a device that takes heat from the air outside and uses it to warm up your home and water. It's like a reverse fridge, using special technology to make your house cosy even when it's chilly outside.

Are air source heat pumps good for the environment?

Yes, they are! Air source heat pumps use less electricity compared to traditional heaters, which means they help reduce your carbon footprint. They use renewable energy from the air, making them a greener choice for heating your home.

How much can I save by using an air source heat pump?

Switching to an air source heat pump can lower your heating bills. While the initial cost might be high, government grants can help. Over time, the energy savings can be significant, especially if you're replacing an old gas boiler.

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Content specialist

Based

Berlin, DE

My name is Mathias Schaefer, and I am the Content writer for this magazine.

I recently stepped into this role, and I hope you get a lot of pieces of information from my articles. I specialized in topics about creativity and design.

Air source heat pump outside a UK home in garden.