Sable Projects
Air Source Heat Pump Installation Across London & Home Counties
Properly designed heat pump systems for refurbishments, upgrades, and new builds — built to perform in real homes.
Part of our wider plumbing and heating services — view all services here.
Are Heat Pumps Right for Your Property?
Heat pumps work well — when the property and system are right.
Installed without proper planning, they underperform. Poor layouts, wrong emitters, and bad assumptions lead to expensive problems.
We assess insulation, heat demand, and usage first — then design the system properly or advise if a heat pump isn’t the right solution.
Heat pump systems designed around real projects
We design heat pump systems around the property — not just the specification.
Every system is built to integrate properly with the heating setup, layout, and long-term use.
Air Source Heat Pumps (ASHP)
High-temperature and low-temperature systems
Integration with underfloor heating and radiators
Hot water system design
Zoning and controls
Full compliance and certification
Where a heat pump isn’t suitable, we’ll advise on alternatives such as boiler installations.
We also work with systems designed by Nu-Heat for integrated heating solutions.
This work often forms part of wider heating upgrades. See our full range of services here.
Why Projects Choose Sable for Heat Pumps
Systems designed before installation — not adjusted on site
Integrated with the full heating setup, not installed in isolation
Installed cleanly, with proper coordination across the project
Clear communication from assessment through to handover
Where Heat Pumps Work Best
Heat pumps perform best when the property supports the system.
Homes upgrading from gas or oil
Energy-efficient new builds
Properties with underfloor heating
Refurbishments improving insulation
Homes targeting EPC improvements
How Heat Pumps Work — and When They Perform Best
Heat pumps transfer heat rather than generate it.
When designed properly, they deliver consistent heating with lower energy use.
Performance depends on system design, insulation, and how the property is used — which is why they must be planned as part of the full heating system.
Our Heat Pump Installation Process
1. Assessment
We assess insulation, heat demand, and system suitability.
2. Design
System designed around the property, emitters, and usage.
3. Installation
Installed cleanly and coordinated with the wider project.
4.Commissioning
Fully tested, balanced, and handed over properly.
Heat Pump Questions — Answered Properly
How efficient are heat pumps really?
They can be 3–4x more efficient than gas — depending on your property and usage.
Do heat pumps work with radiators?
Yes — in many homes. We’ll advise on what’s best during your site visit.
Are heat pumps expensive to run?
They use electricity, but much less than you’d think. Paired with good insulation, they save you money long term.
What brands do you install?
Mitsubishi, Daikin, Vaillant, NIBE, Grant, and others — always based on performance and suitability.
Are you qualified to install heat pumps?
Yes — fully trained, insured, and compliant with all industry standards.
Thinking about a heat pump?
We’ll assess your property and design the right system — or tell you if it’s not the right solution.
A few details helps us respond properly. If you have drawings or a spec, email them to
Phone: 0207 078 9415
Address Office: 2a Highland Drive, Hemel Hempstead HP3 8PT
