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NSN Electrical Ltd

MCS Certified BUS Registered
Unit 5g, Long Rock Industrial Estate, Penzance, Cornwall, TR20 8HX
Air Source specialistBUS grant eligible128 reviewsServes 12 regions

4.9

128 Google reviews

1–2 days

Typical install time

£7,500

BUS grant amount

About NSN Electrical Ltd

NSN Electrical Ltd is an MCS certified air source installer based in Cornwall. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.

System typesAir Source
BUS grant handledYes

Coverage area

Map coming soon

Based in Cornwall, TR20 8HX

Areas served:

North WestNorth EastLondonEast MidlandsWest MidlandsEast of EnglandSouth EastSouth WestYorkshireScotlandWalesNorthern Ireland

Reviews

4.9

128 Google reviews

Based on verified Google reviews

T

Tom & Sue Matthews

4 months ago

We called and asked for a quote to install a car charger and within 48 hours Alex had come to our house, talked us through the process and the following day we had our quote. Once we’d given the go ahead the charger was installed within a few days. Harley the electrician went out of his way to be helpful and everything was done quickly, efficiently and very tidily. He stayed to talk us through the app and how everything worked and we couldn’t have asked for better service. In an age where I often get the feeling that people don’t care, it was refreshing to deal with NSN who were absolutely brilliant from start to finish. Thanks for great service.

P

Paul Bates

a year ago

Having been very satisfied with NSN on a small electrical job last year we approached them to do a Solar and Battery installation in our home. They were excellent from start to finish. Alex thoroughly worked through all the options and configurations, and came up with a great solution at a competetive price. Seth and the installation team were courteous, hard working and did a brilliant job. We had to have a new incoming supply from national grid to the garage and NSN did all the groundworks and reconfiguring of our supply and fuse-boxes with minimal disruption. All in all I'm delighted with the great customer service and outstanding quality of work. I would have no hesitation in recommending NSN for any electrical job large or small.

J

Jayne Choak

a year ago

I’ve had NSN install 2 new night storage heaters in my lovely little holiday let down at Cape Cornwall. They were efficient and very knowledgeable. Ross the owner of NSN has been so helpful since. I struggled with the Dimplex App and he has been round and patiently helped set my app up correctly, and made it simple for me. I can highly recommend!

R

Richard Sandford

2 years ago

NSN installed an EV Charger at our holiday home in St Ives. The whole process from start to finish was exceptional. The friendly, informative team took their time to understand my needs, provided me with a competitive quotation, and carried out a great installation. The system is brilliant, easy to use for me and for our customers. I would definitely recommend NSN Electrical.

M

Martin Post

3 years ago

NSN came on Thursday and installed our new Zappi charger. Despite having to go through 2 thick granite walls and through 2 rooms floor spaces they managed to complete the install in 1 day. The installers were brilliant, they communicated well and did a tidy job. Fully reccomend

Showing 5 of 128 reviews. View all on Google

Frequently asked questions

How do I know you’re properly qualified and certified to install heat pumps?

We are MCS‑certified and registered with an approved consumer protection/competent person scheme, which is essential for quality assurance and to access grants like the Boiler Upgrade Scheme (BUS).

Can you tell me if a heat pump is actually suitable for my home?

We carry out a detailed home assessment, including property type, insulation levels, existing heating system and available outdoor space, to confirm whether a heat pump is a good fit.

What type and size of heat pump will you recommend for my property, and why?

We design the system using a heat‑loss calculation for your home, then match the correct kW size and model (for example, air‑source vs ground‑source) so it runs efficiently and reliably.

What will the full installation cost be, and what’s included in your quote?

Our fixed quote clearly lists the heat pump, cylinder, controls, labour, scaffolding (if needed), electrical work and any radiator or pipework upgrades, so you know exactly what you’re paying for.

Can you help me access government grants like the Boiler Upgrade Scheme?

Yes, as an MCS installer we can confirm your eligibility, apply for the BUS grant (worth up to £7,500) on your behalf and deduct it directly from your quote.

How much disruption should I expect during installation, and how long does it take?

A typical air‑source heat pump installation takes around 2–5 days, and we’ll agree locations for the indoor and outdoor units, manage any planning considerations and keep you informed each day.

Will I need to replace my radiators or upgrade anything else in my home?

After the heat‑loss survey, we’ll advise if any radiators, pipework, electrics or hot‑water cylinder need upgrading so the system can run efficiently at lower flow temperatures.

How noisy is the outdoor unit and where will it be installed?

Modern heat pumps are designed to be quiet and must meet UK noise regulations; we’ll position the unit to minimise any impact on you and your neighbours and comply with local planning rules.

What warranties, servicing and aftercare do you provide?

You’ll get manufacturer warranties on the heat pump plus our workmanship guarantee, and we offer ongoing servicing and support to keep your system performing at its best.

What running costs and savings can I realistically expect compared to my current boiler?

We’ll estimate your likely annual running costs and potential savings based on your current fuel type, insulation level and tariffs, using real‑world performance data rather than lab figures.

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Verified credentials
NAPIT Registered
BUS Registered
Quick facts
Regions covered12 areas

Boiler Upgrade Scheme

Up to £7,500

off your heat pump installation

This installer handles the full BUS grant application — deducted directly from your quote. No upfront payment needed for the grant amount.

Scheme open until 2028 — limited funding available

Check your eligibility

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