Why We Install Vaillant Boilers: Quality Built for the Long Term

Our approach to refurbishment

A quality refurbishment is about more than what you see on handover day.

Plumbing, electrics and heating matter just as much as kitchens, bathrooms and finishes.

Many London homes we work on still have older gravity-fed heating and hot-water systems. During a refurbishment, we often have the opportunity to modernise these and move to a pressurised system designed around how the home is used today.

Depending on the property and hot-water demand, this may mean a combi boiler or a system boiler with an unvented cylinder.

For our gas boiler installations, we choose Vaillant — a brand we know, trust and are confident specifying for the long term.

Why Vaillant?

After years of working with different heating products, we have chosen to standardise on Vaillant for our boiler installations.

For us, the decision comes down to long-term value rather than simply the initial purchase price.

  • Established brand — a proven manufacturer with a strong presence in the UK.
  • Easy access to boilers and parts — a large supply network makes products and replacement parts readily available.
  • Up to a 10-year guarantee — qualifying boilers fitted and registered through our Vaillant installer can benefit from extended manufacturer protection.
  • Strong manufacturer support — we have had good experience with Vaillant’s technical and after-sales service when support is needed.
  • Quality and durability — ultimately, we want to install equipment we are comfortable putting our name behind.
  • Good long-term value — sometimes the difference is only a few hundred pounds compared with an alternative boiler, while potentially gaining several additional years of manufacturer guarantee.

For us, that additional protection and support is worth considering when the boiler is expected to serve the home for many years.

Vaillant ecoTEC plus boiler installed by Kluk Construction

Up to 10 Years of Manufacturer Protection

Paying a little more for a better boiler today can make a lot of sense when that investment is protected for years to come.

A 10-year manufacturer guarantee means the boiler can remain protected for a significant part of its working life, subject to Vaillant’s terms and annual servicing requirements.

We also believe there is a reason manufacturers are prepared to offer guarantees of this length. It demonstrates confidence in the quality and durability of the product they are putting into your home.

For us, that makes the calculation simple: spend a little more today, choose quality, and gain long-term protection for the years ahead.

Vaillant 10-year guarantee with Kluk Construction approved installer

Planning a Refurbishment?

Let’s discuss the right approach for your home.

A Good Boiler Needs a Good Heating System

A boiler can be a great machine, but achieving real efficiency is a team effort. The boiler, heating system and the building itself all need to work together.

This is why our larger refurbishment projects often go much further than simply replacing an old boiler.

Depending on the property, we may:

  • Upgrade older gravity-fed systems to modern pressurised systems
  • Replace or improve ageing heating pipework
  • Install modern radiators and heating controls
  • Introduce underfloor heating where appropriate
  • Improve insulation and reduce unnecessary heat loss
  • Design the heating and hot-water system around the property’s actual demand

It is all part of moving an older London property towards modern standards of comfort and efficiency.

Our wider approach is about moving older London homes towards smarter, more efficient and more sustainable living. Better insulation, efficient heating distribution and modern controls can reduce wasted energy while improving comfort.

Going greener doesn’t always mean replacing everything with the newest technology. Sometimes it means making the whole home work smarter, waste less energy and perform better for longer.

A quality boiler is important — but the best results come when the whole house works as a system.

Built for the Long Term

When we refurbish a home, we think beyond how it will look on completion day. We want the systems behind the finished surfaces to continue performing reliably for years to come.

Choosing products we trust, installing them correctly and considering the whole property rather than individual components is part of that approach.

For our gas boiler installations, Vaillant fits naturally into that philosophy: quality today, with protection for the years ahead.

A Personal Note from Marcin

We live in a time when we own more things than ever, replace them more often, and yet somehow seem less satisfied with their quality.

Sometimes it feels as though quality has disappeared. I don’t think it has. Quality is still there — it just tends to sit quietly in the corner. It may cost a little more. It may not be the newest or most exciting option. Sometimes it may even seem unnecessarily complicated. But very often, that is exactly where the good products are.

My grandfather used to say to me:

“You are too poor to buy cheap shoes.”

As a child, that didn’t make much sense. Especially when saving money was important. As I got older, I began to understand what his generation meant.

Buy the right thing. Buy it less often. Look after it. And enjoy the quality for years.

I remember another story that stayed with me from Walter Isaacson’s biography of Steve Jobs. Jobs became fascinated by something completely ordinary — choosing a washing machine. His family eventually bought a Miele, and what impressed him wasn’t that it was flashy or revolutionary. It was the thought, engineering and quality that had gone into making an everyday machine perform its job exceptionally well.

I love that idea.

The best products in our homes are often the ones we eventually stop thinking about. They simply work, every day, exactly as they should.

That philosophy goes far beyond boilers. It is how I think about construction.

A pipe hidden beneath a floor. Insulation behind a finished wall. A heating system. A window. A lock. A boiler.

Most of these things will never receive the attention of a beautiful kitchen or a piece of furniture. But when they are chosen well and installed properly, they quietly make a home better for many years.

For me, quality isn’t about buying the most expensive product. It’s about understanding where spending a little more today means worrying a lot less tomorrow.

Marcin Kluk

author avatar
Marcin Kluk Founder & Director
Marcin Kluk is the founder of Kluk Construction, specialising in full house refurbishments, home renovations, extensions, and residential construction projects across South West London. With over 15 years of experience in the UK construction industry, he is known for quality craftsmanship, reliable project management, and attention to detail.