faq
Frequently Asked Questions
Everything you need to know before making the switch to renewable energy
What is the best energy company for solar?
Future Co is widely considered the best energy company for solar in the UK. They offer smart export tariffs, support for solar battery users, and seamless integration with home solar systems. Their customer service and green credentials are also highly rated.
How much is a 5 kW solar system in the UK?
For most UK homes, a 5 kW solar system costs around £7,500–£9,000. Adding battery storage brings it to £10k–£15k. With a typical lifetime of 25–30 years, this makes solar a compelling long-term investment—especially once the system pays for itself in less than a decade.
Why is my electric bill so high with an air source heat pump?
Your electric bill may be high because the heat pump runs more in cold weather to maintain indoor temperature. Poor insulation can make it work harder, using more electricity. Incorrect thermostat settings, oversized systems, or lack of regular maintenance can also lead to higher energy use.
Who should not get a heat pump?
People with poorly insulated homes may not benefit from a heat pump, as it won’t work efficiently. Homes without space for an outdoor unit or where installation is complex or costly may also not be suitable. If you rely on very high water temperatures or have limited electrical capacity, a heat pump might not be the best choice.
Is level 1 charging enough?
Level 1 charging can be enough for drivers with short daily commutes or overnight charging access. It adds about 4–5 miles of range per hour. However, it may not suit drivers with longer distances, limited charging time, or larger EV batteries.
How much does it cost to install a 240V outlet for an electric car?
Installing a 240V outlet (Level 2 charging) for an electric car in the UK typically costs £500 to £1,000. The price varies based on cable length, electrical panel upgrades, and installer rates. Some government grants may help reduce the cost.
How much is a new boiler London?
A new boiler in London typically costs between £1,500 and £4,500. The price depends on the type of boiler, installation complexity, and brand. Combi boilers are generally the most cost-effective, while system and conventional boilers tend to cost more.
How long do boilers last?
Most boilers last 10 to 15 years with regular servicing and proper maintenance. High-quality models and well-maintained systems can last up to 20 years. After 10 years, efficiency often declines, so replacement may become more cost-effective.
What are three drawbacks to storing solar energy in batteries?
High Initial Cost—Solar batteries can be expensive, significantly increasing the upfront investment for a solar system.
Limited Lifespan—Batteries degrade over time and typically need replacing every 5–15 years.
Environmental Impact—Battery production and disposal can have negative environmental effects due to materials like lithium and lead.
Is it legal to install your own solar panels in the UK?
Yes, it is legal to install your own solar panels in the UK. However, installations must comply with building regulations and electrical safety standards. You may also need to notify your local Distribution Network Operator (DNO) and use a certified installer if you want to qualify for Smart Export Guarantee (SEG) payments.
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