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How to Prepare Your Home for an Air Source Heat Pump Installation

Air source heat pumps (ASHPs) are an efficient and eco-friendly way to heat and cool your home.

They extract heat from the outside air and transfer it indoors, providing a renewable energy solution that can significantly reduce your carbon footprint and energy bills.

If you’re considering installing an ASHP, proper preparation is key to ensuring a smooth installation process and optimal performance.

Here’s a comprehensive guide to help you prepare your home for an air source heat pump installation.

1. Evaluate Your Home’s Suitability

Before proceeding with an ASHP installation, it’s essential to determine if your home is suitable for this technology. Consider the following factors:

Insulation and Draft-Proofing

Ensure your home is well-insulated and draft-proofed. ASHPs work best in homes with good insulation, as this minimizes heat loss and maximizes efficiency. Check your walls, roof, windows, and doors for any gaps or areas where heat might escape.

Space for Outdoor Unit

ASHPs require an outdoor unit to be installed outside your home. Identify a suitable location, preferably on a wall or on the ground near the house. The site should have good airflow and be free from obstructions like plants, fences, or other structures.

Electrical Capacity

Check your home’s electrical capacity. ASHPs require a dedicated electrical supply, and your current system should be able to handle the additional load. Consult with an electrician to ensure your electrical panel can support the new unit.

2. Choose the Right System

Selecting the right ASHP system is crucial for achieving maximum efficiency and comfort. There are two main types of ASHPs: air-to-air and air-to-water.

Air-to-Air Heat Pumps

These systems provide heating and cooling directly through air. They are ideal for homes with existing ductwork or those that require only space heating and cooling.

Air-to-Water Heat Pumps

These systems transfer heat to a water-based system, making them suitable for homes with underfloor heating or traditional radiators. They can also provide hot water for domestic use.

Consult with a professional installer to determine which type of ASHP is best suited for your home’s heating and cooling needs.

3. Plan for Installation

Proper planning can help streamline the installation process. Follow these steps to ensure everything is ready:

Permits and Regulations

Check with your local authority to see if you need any permits or if there are specific regulations for installing an ASHP. Some areas may have restrictions or require inspections.

Installer Selection

Choose a reputable and experienced installer. Look for professionals who are accredited by recognized organizations, such as the Microgeneration Certification Scheme (MCS) in the UK or the North American Technician Excellence (NATE) in the US. Get multiple quotes and check references to ensure you’re selecting the best installer for the job.

Installation Schedule

Coordinate with your installer to set a convenient installation date. Ensure you are available to provide access to your home and address any questions or concerns during the installation process.

4. Prepare Your Home for Installation Day

On the day of installation, make sure your home is ready for the installers:

Clear Access

Provide clear access to the installation areas, both indoors and outdoors. Remove any obstacles, furniture, or personal items that might impede the installers’ work.

Protect Your Home

Cover or remove any items near the installation site that could be damaged by dust or debris. Lay down protective coverings on floors if necessary.

Inform Neighbors

Inform your neighbors about the installation, especially if it involves any noise or disruption. This can help maintain good relations and avoid any potential complaints.

5. Post-Installation Checks

After the ASHP is installed, perform the following checks to ensure everything is functioning correctly:

System Test

Have the installer run a complete system test to verify that the ASHP is operating as expected. This should include checking the heating and cooling functions, as well as the thermostat and controls.

User Training

Ask the installer to provide a demonstration on how to operate the system, including adjusting settings and performing basic maintenance tasks like cleaning filters.


Ensure you receive all necessary documentation, including the user manual, warranty information, and maintenance guidelines. Keep these documents in a safe place for future reference.

Energy Efficiency Tips

Discuss energy efficiency tips with your installer to maximize the performance of your ASHP. Simple practices like regular maintenance, adjusting settings for different seasons, and keeping your home well-insulated can enhance efficiency and savings.


Preparing your home for an air source heat pump installation involves several important steps, from evaluating your home’s suitability to selecting the right system and ensuring a smooth installation process.

By following this guide, you can enjoy the benefits of an efficient, eco-friendly heating and cooling solution that contributes to a more sustainable future.