Heat Pump & Renewable
Heating Specialists
Expert low-temperature heating, heat pump and renewable energy solutions designed for comfort, efficiency and long-term performance.
Our Core Services
Comprehensive heating and cooling solutions tailored to your property's exact requirements.
Heat Pumps
Highly efficient renewable heating solutions including Air Source and Ground Source systems.
Learn moreAir Conditioning
Professional climate control and cooling solutions for year-round comfort.
Learn moreHeating & Hot Water
Bespoke heating and hot water solutions including boilers and low-temp systems.
Learn morePlumbing
Expert plumbing services including water mains upgrades by APHC registered plumbers.
Learn moreTrusted Brands, Accreditations & Partnerships
Working with industry-leading manufacturers and recognized certification bodies to ensure the highest standards.
Find the Right Service for Your Home
Whether you're looking for a heat pump, air conditioning, or a new boiler, a successful installation requires proper design and an efficiency-first approach to ensure your home stays comfortable while keeping running costs low.
Consultation & Survey
We assess your property and perform detailed calculations to ensure the perfect system for your needs.
System Design
Our certified engineers design a bespoke system tailored to your property.
Professional Installation
Expert installation of your new system with minimal disruption to your home.
Handover & Support
We ensure you understand your new system and provide ongoing maintenance.
Government Boiler Upgrade Scheme
You may be eligible for significant government support towards the cost of your new heat pump installation. As certified installers, we can help you navigate the Boiler Upgrade Scheme and check your property's eligibility.
Check Your Heat Pump OptionsApproved Installer Network
We are proud members of the Guild of Master Heat Engineers, ensuring every installation meets the highest standards of efficiency and quality.
Why Choose Walsh & Son Renewables
With decades of experience and specialized certification, we don't just fit boxes to walls. We engineer complete comfort solutions.
- Specialist renewables knowledge
- Low-temperature heating expertise
- Certified specialist approach
- Efficiency-first system design
- Honest, transparent advice
- Focus on long-term comfort and performance
What Our Customers Say
"The team at Walsh & Son were phenomenal. They explained the whole heat pump process clearly, designed a system that works perfectly, and the installation was spotless."
— James T.
"Transformed our heating completely. The low-temperature radiators they recommended keep the house so comfortable, and our running costs have dropped significantly."
— Sarah M.
"I was nervous about switching from gas to a heat pump, but Walsh & Son handled everything, including the Boiler Upgrade Scheme grant application. The workmanship is incredibly neat."
— David L.
Areas We Cover
Based in South London, we provide expert renewable heating installations across Streatham, Bromley, Croydon, Surrey, Kent, and Greater London.
View Our Coverage Area