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Compare Air Source Heat Pumps

Find an air source heat pump to keep your home cosy and your energy bills low with SpotDif’s updated 2024 guide.

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Your 2024 guide to air source heat pumps

With an array of air source heat pumps hitting the market each year, we know that it can be quite daunting to navigate through all the options and technical jargon. That’s where SpotDif steps in. We’re here to simplify your research process by bringing together the details you need about each model — all in one easy-to-access place.


What sets us apart? Well, we compare air source heat pump models on factors like efficiency, operational costs, and durability. For your peace of mind, we also partner with trusted UK suppliers to ensure our information is accurate and relevant. 


This updated guide for 2024 is packed with all the essential information, helping you make a well-informed choice with confidence — all without scanning through countless websites!


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How does an air-source heat pump compare to a ground-source heat pump?

Trying to decide between an air-source heat pump and a ground-source heat pump can be a bit confusing — after all, an air pump is an air pump, right? Well, not exactly. While all heat pump types aim to efficiently heat your home, they operate quite differently. 


Ground-source pumps, which utilise underground temperatures, offer more consistent performance and higher efficiency throughout the year. They do, however, require significant groundwork and space, making them a bigger initial investment. On the other hand, air-source heat pumps are usually less costly and simpler to install but may be less efficient than ground-source heat pumps in colder weather.


Thankfully, with improvements in system designs, these pumps are more than able to maintain a steady output, ensuring your home remains warm throughout the winter. Additionally, the government incentives available in the UK  make them an even more appealing choice to customers.

Comparing types of air source heat pump

Choosing the right air source heat pump can significantly boost your home's warmth and energy efficiency. That’s why we recommend that you compare different models like monobloc, split, air-to-air, and hybrid systems with our industry knowledge backing you up every step of the way. 


Each model caters to different heating requirements and spaces, ensuring you find the perfect fit. Don’t worry — we’ve collated all the key information, pros, and cons to help you make an informed decision that aligns with both your environmental goals and lifestyle. 


Monobloc systems


Monobloc systems are a type of air source heat pump where all components are housed within a single outdoor unit. These systems are ideal if you have limited indoor space, as they don’t require any indoor installation. They work by extracting heat from the outside air to heat water for home heating systems. We’d say this model is particularly suited for smaller properties or those looking for a streamlined setup.


Initial costs 


In the UK, the cost of monobloc air source heat pumps ranges from approximately £4,000 to £7,000, excluding installation. Installation can add £1,500 to £3,000 depending on its complexity and location. 


Higher-end models are pricier due to advanced features like improved energy efficiency and quieter operation, while basic models are more affordable but may have lower efficiencies and fewer features.


Installation


Installing a monobloc system is relatively straightforward as it involves a single outdoor unit without the need for any indoor components. You should only receive minor disruptions as the process is usually completed within a couple of days.


Operating costs and efficiency


Monobloc systems are an energy-efficient option, reducing your heating costs substantially in the long run. However, their efficiency can be slightly lower than split systems, especially in extremely cold weather. 


Lower upfront costs and simpler installation are the main benefits of a monobloc system. At the same time, a potential drawback is their performance dip in colder climates compared to other types of heat pumps.


Durability


Monobloc air source heat pumps are built to last, typically providing efficient heating for about 15 to 20 years with proper maintenance. We’d say that the best way to ensure this is by finding a quality installer and conducting frequent maintenance for the most reliable efficiency.


Maintenance


Maintaining a monobloc system will involve basic regular checks such as cleaning air filters and ensuring that the area around the outdoor unit remains clear of debris. 

Get a Free Air Source Heat Pump Quote

Utilise our comparison tool to start exploring the perfect air source heat pump for your home, or reach out to us today to learn more about the benefits of air source heat pumps and available financial support. 

Split systems


Split systems are made of an outdoor unit and an indoor unit connected by pipes. They are particularly suitable for homes with space for indoor components, offering the benefits of higher efficiency and quieter operation. We’d say split air source heat pump systems are more suitable for medium to large properties due to their indoor and outdoor units.


Initial costs 


The cost of split system air source heat pumps in the UK typically ranges from £5,000 to £10,000, excluding installation. Installation costs can add £2,000 to £4,000 to the overall price. 


High-end models command a premium for features like advanced inverter technology and superior energy efficiency, while it’s important to note that entry-level models are more cost-effective but may offer lower efficiencies and fewer features. Generally, split systems are pricier than monobloc systems due to their complexity and higher installation demands.


Installation


Installing a split system can be a complex task, involving both indoor and outdoor components. The process might take several days, depending on the home’s existing setup and the system's complexity. Homeowners should consider the need for indoor space and the potential disruption to home life, as work will occur both inside and outside the property.


Operating costs and efficiency


Split systems are known for their high efficiency which potentially leads to lower operating costs over time. This type of air-source heat pump model is particularly effective in colder climates given their advanced heat exchange technology. However, the initial higher cost and complexity of installation could be considered a downside for those with tighter budgets or smaller homes.


Durability


With proper maintenance, split system heat pumps are highly durable, lasting up to 20 years or more. Their design allows for less wear and tear on the outdoor unit, as the indoor unit handles a significant amount of the workload, enhancing longevity.


Maintenance


To maintain your split heat pump system, we recommend checking and cleaning the filters, ensuring your indoor and outdoor units are free from obstructions, and checking the refrigerant levels. Annual servicing by a professional is also always a good idea for optimal performance.


Get a Free Air Source Heat Pump Quote

Utilise our comparison tool to start exploring the perfect air source heat pump for your home, or reach out to us today to learn more about the benefits of air source heat pumps and available financial support. 

Air-to-air heat pumps


Air-to-air heat pumps are a fantastic choice if you’d like to modernise your heating and cooling. These units are made of outdoor and indoor components to efficiently transfer heat from the outside air into your home. They’re perfect for properties lacking space for extensive systems, offering a neat solution that fits neatly into both flats and modern houses needing year-round temperature control.


Initial costs 


You can expect to pay between £1,500 and £3,000 for an air-to-air heat pump in the UK, with installation costs potentially adding another £500 to £1,500. High-end models feature superior energy efficiency and advanced air filtration systems, making them more expensive but also more cost-effective in the long run. These are more budget-friendly than other air source heat pump types, offering a great entry point if you’d rather not skimp on quality.


Installation


Installing an air-to-air heat pump is usually quick and straightforward, so you won’t have to worry about it causing disruption to your day. It’s typically a one-day job, depending on your home’s layout and the system’s complexity. We will say that you’ll want to choose the locations for both units wisely to maximise efficiency and minimise noise, especially if you want your home to remain a peaceful sanctuary.


Operating costs and efficiency


Operating an air-to-air heat pump is cost-effective as it provides significant savings on heating bills with the added advantage of cooling during summer months. While they're excellent for temperature control, it’s worth noting that they don’t supply hot water, which might be a no-no for some households.


Durability


Durability is a strong point for air-to-air systems, with a lifespan of 15 to 20 years when properly maintained. In our expert opinion, they’re a smart investment for those looking to enhance their home’s energy efficiency over many years.


Maintenance


To maintain your air-to-air heat pump system, you should clean the filters regularly and ensure the outdoor unit remains unobstructed. Scheduling an annual service with a professional is also never a bad idea, as this will help detect any issues early, ensuring your system continues to operate efficiently and effectively for years to come.

Get a Free Air Source Heat Pump Quote

Utilise our comparison tool to start exploring the perfect air source heat pump for your home, or reach out to us today to learn more about the benefits of air source heat pumps and available financial support. 

Hybrid heat pumps


Hybrid heat pumps cleverly combine an air-source heat pump with a traditional gas boiler, providing a flexible and cost-effective solution. They can automatically switch between the boiler and the heat pump depending on the weather, making them ideal for the unpredictable UK climate. Suitable for homes with existing gas connections, they require space for both an outdoor unit and an indoor boiler.


Initial costs 


You should expect to invest between £5,000 and £10,000 for a hybrid heat pump system in the UK, with installation fees adding £2,000 to £3,000. They are generally more expensive than single-system pumps due to their dual functionality which is a benefit for many homeowners.


Installation


Fitting a hybrid heat pump can be quite intense, requiring integration with an existing boiler system and possible upgrades to radiators or pipework. The installation may take a few days, during which there will be some disruption to your home as work is needed both inside and out. We’d recommend planning with a qualified and trusted installer through SpotDif as our suppliers will be able to assess your current system’s compatibility.


Operating costs and efficiency


Hybrid systems are designed to optimise your heating expenses by using the most cost-effective energy source available at the time. They are incredibly efficient, especially in colder weather when the boiler can assist the heat pump. However, as they still partly rely on gas, future fuel prices and carbon taxes could affect your running costs.


Durability


Built to last, hybrid heat pumps can efficiently heat your home for around 15 to 20 years with proper maintenance. Their longevity depends on the quality of both the boiler and the heat pump unit, alongside professional installation.


Maintenance


Keeping the system clean (particularly the filters and external unit) will help maintain optimal performance. Regular checks can help detect any issues early, avoiding costly repairs.

Get a Free Air Source Heat Pump Quote

Utilise our comparison tool to start exploring the perfect air source heat pump for your home, or reach out to us today to learn more about the benefits of air source heat pumps and available financial support. 

Selecting the best air source heat pump model for your needs

We understand that every household works differently. No matter what kind of air source heat pump you’re looking for, we're here to help. Let’s match the different air source heat pump models we’ve discussed to various scenarios, helping you find the best option for your daily life and activities.


Best air source heat pump for straightforward installation:

Monobloc systems

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Monobloc systems are ideal if you're looking for ease of installation. These units house all components in a single outdoor unit, simplifying the setup and minimising indoor disruption. They tend to be more cost-effective upfront and require less indoor space, making them a practical choice for smaller homes.


Best air source heat pump for cold climates:

Split systems

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Split systems are excellent for cold climates due to their ability to function efficiently at lower temperatures. With separate indoor and outdoor units, the system can manage heat transfer more effectively, ensuring consistent indoor temperatures. Although installation can be more complex, their operational efficiency tends to outweigh the initial higher costs.


Best air source heat pump for homeowners seeking cooling options:

Air-to-air heat pump

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Air-to-air heat pumps are the best option if you need both heating and cooling. These systems transfer heat between the indoor air and the outside, providing efficient cooling in the summer and heating in the winter. While they require ductwork, their dual functionality offers excellent year-round value.


Best air source heat pump for optimising existing boiler systems:

Hybrid heat pumps

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Hybrid heat pumps integrate with existing boiler systems, making them ideal for maximising efficiency while keeping installation costs lower. They use the heat pump for efficiency at milder temperatures and switch to the boiler in extreme cold, ensuring optimal energy use and reduced operating costs over time. This system is perfect if you want to gradually transition to a renewable energy solution.

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Are you a homeowner?

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Compare UK air source heat pump prices

The quickest and most transparent way to compare air source heat pumps is with SpotDif. Make the most of your search by filling out our air source heat pump comparison tool and answering a few brief questions. We’ll just need your:


  • Specific requirements: What type of air source heat pump are you looking for? Do you want any specific features or advanced technologies to enhance your heating experience?


  • Financing options: If you require financing options you can let us know during the search process — we’ll make sure you receive accurate quotes and information.


  • Contact details: We will ask for your contact details to personalise the search results and provide you with the most relevant information. Rest assured that your information will be handled securely following our privacy policy.

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Compare air source heat pumps with SpotDif

Unlock your ideal air source heat pump solution tailored to your home's needs with SpotDif’s dedicated comparison platform. We specialise in simplifying the selection process for air source heat pumps, focusing on your unique requirements for efficient heating, cooling, and cost-effectiveness. Our extensive industry expertise enables us to direct you towards grants and funding options, reducing the financial impact of adopting an air source heat pump. Trust SpotDif to help you find the right air source heat pumps that not only aligns with your home's needs but also fits within your budget, ensuring you enjoy energy-efficient comfort without straining your finances.

Find great deals on air-source heat pumps with SpotDif

SpotDif is the tool you need to find air source heat pump suppliers offering the best deals. We’ll scan our network of trusted heat pump brands across the UK and compare their models and quotes so you don’t have to. 


Start your search for an air-source heat pump today with SpotDif.

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Anna Dearden
Home Sector Specialist
Combining in-depth research with an interest in all things home improvement, I aim to keep SpotDif readers up to date with interior design trends, renewable energy options, and more.
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