Comprehensive Guide to Air Source Heat Pump Installation in Surrey

April 15, 2023 | News

Air source heat pump installation in Surrey case study

Discover the complete process of air source heat pump installation, from on-site inspection to installation and maintenance. Our guide will help you understand the necessary steps and assist you in choosing the right installer for your heat pump.

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Table of Contents

  1. Understanding the Air Source Heat Pump Installation Process
  2. Cost of Air Source Heat Pump Installation
  3. DIY Air Source Heat Pump Installation: Is It Possible?
  4. Choosing the Right Heat Pump Installer
  5. Air Source Heat Pump Installation Diagram

Understanding the Air Source Heat Pump Installation Process

Installing an air source heat pump involves three main steps, regardless of whether it is for a retrofit or a new build:

  1. Pre-installation: On-site survey and assessing suitability
  2. Installation: Installing indoor and outdoor units, and connecting them
  3. Post-installation: Finishing touches and maintenance

Pre-Installation: On-site Survey and Preparation

After selecting an installer, they will conduct an on-site inspection to assess the suitability of your property for the chosen heat pump. The installer will perform heat loss calculations to determine the required size of the heat pump. They will then prepare a report with sketches of the property, ensuring efficient installation of the system.

Installation: Indoor and Outdoor Units

The installation process involves setting up the indoor and outdoor units. The outdoor unit is responsible for drawing air from outside and compressing it into warm air, while the indoor units are connected to radiators, underfloor heating, or hot water pipes.

The installer will ensure the outdoor unit is placed in an area with sufficient airflow and minimal obstructions. It will be bolted to the ground and secured with brackets.

Connecting the Units

The indoor cylinder and outdoor unit will be wired and connected. The installer will connect the indoor unit to the radiators and other components within the house. Refrigerant lines and electrical wires will be used to establish these connections.

Cost of Air Source Heat Pump Installation

The typical cost of installing an air source heat pump ranges from £8,000 to £18,000, depending on factors such as pump size, type, and installation complexities. The installation cost may be lower if combined with other home improvement projects, such as underfloor heating or new air conditioning units.

  • Total Cost: £8,000 – £18,000
  • Installation Time: 2-5 days
  • Heat Pump Lifespan: Approximately 20 years

DIY Air Source Heat Pump Installation: Is It Possible?

While some aspects of air source heat pump installation can be done by homeowners, connecting the units and wiring them requires a certified installer. Proper installation is crucial for the heat pump’s long lifespan of around 20 years. To be eligible for the Renewable Heat Incentive (RHI), the installation must be completed by an MCS certified installer.

Choosing the Right Heat Pump Installer

Selecting the right installer is crucial, as they will be involved throughout the heat pump’s lifespan. Ensure the installer is certified and provides excellent customer service post-installation. We recommend comparing different installers and their offers to find the best fit for your needs.

Funding Options for Air Source Heat Pump Installation in the UK

The cost of installing heat pumps is becoming more affordable with grants and incentives introduced to promote low carbon technologies. The Renewable Heat Incentive (RHI) is one such funding option where you can earn money through annual payments over a period of seven years. The upcoming Clean Heat Grant, expected to be released in April 2022, is a replacement for the RHI.

The UK government’s Heat and Buildings Strategy aims to incentivise homes to switch to low carbon heating systems in both new builds and retrofits. As heat pumps are expected to be the most efficient replacement for traditional fossil fuels, they play a significant role in reducing greenhouse gas emissions.

Planning Permission and Building Regulations for Air Source Heat Pumps

In most cases, planning permission is not required for air source heat pump installations. However, it is best to consult your local planning authority to confirm whether permission is needed for your specific property. Additionally, the installation must comply with building regulations, which ensure safety and energy efficiency standards are met.

Maintenance and Servicing of Air Source Heat Pumps

Air source heat pumps have relatively low maintenance requirements. Nonetheless, it is advisable to regularly check filters and clean the fans to ensure optimal performance. Your installer can provide maintenance services to keep the heat pump running efficiently throughout its approximately 20-year lifespan.

In conclusion, understanding the complete installation process, costs, and maintenance requirements of air source heat pumps can help you make an informed decision for your home. By choosing a certified installer and adhering to the necessary regulations, you can enjoy the benefits of this low-carbon heating technology for many years to come.


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