Heat Pump Installation Winchester
We install high-efficiency Air Source Heat Pump systems in Winchester and surrounding areas.
As accredited installers for Worcester Bosch, Vaillant, and Mitsubishi, our experienced engineers deliver top-quality installations backed by industry-leading warranties and aftercare. We’re a local team who take pride in providing ongoing support and maintenance to keep your system running efficiently year-round.
Through the Boiler Upgrade Scheme (BUS), homeowners replacing a gas boiler may be eligible for a £7,500 government grant – we’ll guide you through the process.
Book your free home survey today!
Just provide us with a little bit of information and we’ll be in touch and ready to get you booked in for a no obligation home survey.
Why choose a Heat Pump?
Air source heat pumps are one of the most efficient, eco-friendly ways to heat your home. Instead of burning fuel, they move heat from the outside air into your home – even in winter.
- Energy Efficient – Up to 400% efficiency: 1kW of electricity can produce 3–4kW of heat
- Eco-Friendly – Powered by electricity, not fossil fuels
- Reliable – Proven tech with low maintenance and long lifespan
- Quiet & Comfortable – Whisper-quiet operation and gentle, consistent warmth
- £7,500 Grant – Through the Boiler Upgrade Scheme (BUS)
Why choose ROOST?

Local heating
experts you can trust
We’re experienced heating engineers based in Winchester - not salespeople. Our team has over a decade of retrofit experience, carefully designing and installing systems that maximise comfort and efficiency in real homes. We treat your home as we would our own: neat, tidy, and with care.

MCS certified &
government approved
As MCS-certified installers and HIES members, we meet the strict standards required for the £7,500 Boiler Upgrade Scheme - and we guide you through the entire grant process. You can trust us to deliver a reliable, regulation-ready system without pushy sales tactics.

Heat Pump systems designed with your home in mind
We work with trusted brands like Worcester Bosch, Mitsubishi, and Vaillant - and we design each system to suit your home’s layout, insulation, and needs. Every installation is tailored for comfort, efficiency, and long-term reliability - backed by our friendly, ongoing support.
Bringing Air Source Heat Pump expertise to Hampshire homes
At Roost Heating, we specialise in energy-efficient air source heat pump installations for homes across Hampshire – including Winchester, Romsey, Alresford, and surrounding towns and counties.
Whether you’re replacing a gas boiler or upgrading to a more sustainable heating system, our local engineers provide expert design, reliable installation, and ongoing maintenance. We’re here to help you reduce your energy bills and carbon footprint – creating a greener, warmer Hampshire.
Our installation process
- Book a free call with one of our engineers
- Home survey to assess suitability and upgrades needed
- Receive a fixed-price quote – no hidden costs
- Secure your BUS grant – we’ll handle the paperwork
- Install & optimise – with heat loss calculations and tailored setup
- Handover & training – full walkthrough of your new system
- Ongoing support – including annual servicing and maintenance
Frequently Asked Questions
Is my home suitable for a heat pump?
Most homes can be adapted to use a heat pump effectively, especially those with an EPC rating of C or higher. Upgrades like loft and cavity wall insulation, and double glazing, help improve performance and efficiency. We’ll assess your Winchester home and recommend the best setup for maximum comfort and energy savings.
Do heat pumps work in cold weather?
Yes – modern air source heat pumps work efficiently even in freezing temperatures, down to around -20°C. They’re used widely across colder countries like Norway and Sweden, so the UK climate is no problem.
Are heat pumps noisy?
Not at all. Modern systems are whisper-quiet, and when installed correctly, you’ll barely notice them running. They won’t disturb you or your neighbours.
Do heat pumps work with radiators?
Yes, heat pumps can work effectively with radiators, though slightly larger ones may be needed for the best results. Underfloor heating is often the most efficient pairing, but we’ll design a system that suits your home perfectly.
How long does installation take?
Installation typically takes between two and five days, depending on your property and system design. Our engineers manage the whole process from start to finish, keeping disruption to a minimum.
What government incentives are currently available for heat pump installation?
The Boiler Upgrade Scheme currently offers a £7,500 grant towards the cost of installing an air source heat pump. To qualify, your installer must be MCS certified. Incentives can change over time, so it’s worth checking the latest details with Ofgem or your local authority.
Do Heat pumps have to be serviced every year like a boiler?
Yes – annual servicing keeps your system running efficiently, ensures reliability, and maintains your manufacturer’s warranty.
Can they cool the home in summer?
Some air source heat pumps have a reversible function that allows them to provide cooling in summer. They’re not full air-conditioning units, but they can help maintain a comfortable temperature indoors.
Ready to upgrade your heating?
If you’re thinking about switching to a heat pump, we’d love to help.
No sales pitch – just expert advice from people who care about doing a proper job.