Solar Panels vs Heat Pumps: Which Should You Install First?
A side-by-side comparison of Solar Panels and Heat Pumps for Welsh homes — costs, savings, efficiency, and which is right for you.
Our Verdict
Solar panels offer a faster payback period; heat pumps deliver bigger carbon savings. For most Welsh homes install solar first.
Solar Panels vs Heat Pumps — Side by Side
| Feature | Solar Panels | Heat Pumps |
|---|---|---|
| Cost Range | £4500 – £8000 | £7000 – £15000 |
| Annual Saving | £650 | £550 |
| Efficiency | 20-25 years lifespan | 25 year lifespan |
| Best For | Homes with south-facing roofs | Homes with high heating bills |
| Grants Available | Yes (Nest, ECO4, Warm Homes) | Yes (Nest, ECO4, Warm Homes) |
| MCS Required | Yes | Yes |
Which Should You Choose?
The right choice between Solar Panels and Heat Pumps depends on your home, budget, and energy priorities:
- Choose Solar Panels if — Homes with south-facing roofs.
- Choose Heat Pumps if — Homes with high heating bills.
- Consider both — If your budget allows, combining technologies can maximise savings and future-proof your home.
If you are unsure, an MCS-certified installer can assess your property and recommend the best option. Request a free assessment.
Solar Panels — Pros & Cons
| Pros | Cons |
|---|---|
| Annual savings of £650 | Upfront cost £4500–£8000 |
| 20-25 years lifespan efficiency | Performance varies by property |
| Welsh Government grants available | Requires MCS-certified installer |
| Reduces carbon footprint | May require additional home improvements |
Heat Pumps — Pros & Cons
| Pros | Cons |
|---|---|
| Annual savings of £550 | Upfront cost £7000–£15000 |
| 25 year lifespan efficiency | Performance varies by property |
| Welsh Government grants available | Requires MCS-certified installer |
| Reduces carbon footprint | May require additional home improvements |
Not Sure Which to Choose?
Get a free, no-obligation assessment from MCS-certified installers in Wales. They will recommend the best option for your home.
Get Free Quote →Solar Panels vs Heat Pumps — FAQ
Which is better, Solar Panels or Heat Pumps?
Solar panels offer a faster payback period; heat pumps deliver bigger carbon savings. For most Welsh homes install solar first. The best choice depends on your property type, current heating system, budget, and energy goals.
Which is cheaper, Solar Panels or Heat Pumps?
Solar Panels cost £4500–£8000, while Heat Pumps cost £7000–£15000. However, upfront cost is only one factor — long-term savings and available grants should also be considered.
Which saves more money, Solar Panels or Heat Pumps?
Solar Panels save around £650 per year, while Heat Pumps save around £550 per year. The actual savings depend on your current energy setup and usage patterns.
Can I get grants for Solar Panels or Heat Pumps in Wales?
Yes. Welsh homeowners may qualify for grants through the Nest scheme, Warm Homes Programme Wales, or ECO4 for both Solar Panels and Heat Pumps. Eligibility depends on income, benefits status, and property type.
Can I install both Solar Panels and Heat Pumps?
In many cases, yes. Combining technologies can maximise your energy savings and reduce your carbon footprint further. An MCS-certified installer can advise on the best combination for your home.