Vaillant boiler installer
If you’re looking for a reliable and efficient boiler, Vaillant is an excellent choice. JPS Plumbing, Gas and Electrical is a trusted Vaillant boiler installer for homes in Winchester, Southampton and the surrounding areas.

Trusted Vaillant boiler installers
Whether you are replacing an old boiler or installing a brand new one, we can help you select the right Vaillant model to fulfil your heating needs.
Choosing the right boiler installer is just as important as choosing the right boiler. With JPS Plumbing, Gas and Electrical, you’re in good hands. We are part of the Vaillant Advance Installer scheme, having reached MasterTech level. You can rely on our expert advice to find the right boiler for your needs and install your chosen Vaillant model to the highest standards.
Our customers appreciate our expertise, but they also choose us for our reliability, friendliness and efficiency. Call us today to ask us a question or build your boiler quote online now.
Our Vaillant boiler installation service
We are dedicated to making each Vaillant boiler installation as helpful, efficient and hassle-free as possible.
1. Initial consultation
We’ll start by assessing your heating needs, budget, and property, as a basis for our recommendations. Our engineers will assess your home’s layout, water pressure, and insulation levels to recommend the best system for your space.
2. Expert advice
As experienced engineers, we know that every home is different. That’s why we’ll help you choose a Vaillant boiler that suits your property size, hot water usage, and budget. The Vaillant brand is a very popular choice, known for its innovative technology, quality and smart features.
3. Upfront quote
Once you have selected your boiler, we will send you a clear and detailed quote upfront. We pride ourselves on offering completely transparent pricing with no hidden costs.
4. Expert installation
Our Gas Safe engineers are highly professional and will ensure as little disruption to your day as possible. They will take care of everything, including removing your old boiler.
5. Ongoing support and maintenance
Our optional boiler cover includes regular maintenance and servicing to ensure your new boiler remains working at its best, to keep your home warm and energy bills at a minimum.
6. Warranty and gas safety certification
All our boiler installations come with warranties of up to 10 years. For landlords and management agents, we also supply gas safety certificates.
New Vaillant boiler installations
If you’re planning a renovation or moving into a new home, we can help you choose and install a new Vaillant boiler suitable for your property’s heating and hot water requirements. A professionally installed Vaillant boiler can make a big difference, helping you cut down on unnecessary energy use.

Vaillant boiler replacement
Is your current boiler costing more than it should in repairs or energy bills? Or have you noticed a dip in performance? It may be time to replace it with a more efficient and reliable Vaillant model.
Our Vaillant boiler replacement service includes:
Removal and safe disposal of your old boiler
System upgrades for compatibility (where needed)
Installation of a new, energy-efficient Vaillant unit
Warranty registration and aftercare advice
Replacing your old boiler with a Vaillant model can dramatically improve the performance of your heating system and reduce the risk of breakdowns during the colder months.

Why choose a Vaillant boiler?
Vaillant is a leading name in the UK heating market, known for durable, energy-efficient products. Their range includes combi, system, and regular boilers – all designed to meet the evolving needs of modern homes.
Features include:
Smart thermostat compatibility
Weather and load compensation
Quiet operation and compact designs
Lower carbon emissions and better fuel efficiency
Watch our founder Jamie explain the benefits of a Vaillant boiler.

Book appointment or report an emergency repair
All our boilers come with an up to 10-year parts and labour warranty. Call 02381 733139 to speak with one of our advisers to book your repair or appointment now.

Why choose JPS Plumbing, Gas and Electrical as your Vaillant boiler installer?
At JPS, we believe in doing things properly.
As a local team with a strong reputation in Winchester and Southampton, we’re committed to delivering top service with a personal touch. Most of our work comes from recommendations, and we work hard to keep it that way.
Call us today to ask us a question or build your boiler quote online now.
Gas Safe registered engineers
Every job is carried out by Gas Safe engineers
Efficient installation with minimal disruption
We only work with reputable brands known for quality and efficiency, such as Vaillant. We offer honest advice tailored to your heating needs.
Comprehensive and affordable boiler cover plans
We offer ongoing support and optional boiler cover for extra peace of mind
Honest, fixed-price quotes with no hidden fees
We offer honest advice tailored to your heating needs
Customer Reviews
Read our reviews on Google, Checkatrade, and TrustATrader…
Here at JPS all of our tradesmen are trained and qualified within all of our services. But don’t just take our word for it, see what our customers have to say…
John, Eastleigh
Easy to get hold of, came out quickly, identified the problem and did a temporary fix then returned the following day for a proper fix with the part needed. On time, courteous and clean. Have used JPS Plumbing and Heating before and will definitely use again.
Review via Checkatrade
Pauline, Southampton
Fabulous knowledgeable workmen. Gave me a few options to proceed with, explaining benefits of each one. Work completed was great quality. Can’t fault it.
Review via Checkatrade
David, Southampton
Prompt and effective service. Would happily use this firm again.
Review via Checkatrade
Jacqui, Eastleigh
We had a new heating system installed, which required all old radiators removed and new fitted, boiler removed from kitchen and new boiler put in attic. Scott did an excellent job. His expertise, professionalism and worksmanship were faultless. The company are a well run outfit. Would recommend.
Review via Checkatrade
Pauline, Southampton
Fabulous knowledgeable workmen. Gave me a few options to proceed with, explaining benefits of each one. Work completed was great quality. Can’t fault it.
Review via Google
Frequently asked questions about Vaillant boiler installation
How do I know if my existing heating system is compatible with a Vaillant boiler?
Before any installation, we carry out a full assessment of your current heating system to check compatibility. Most homes can be upgraded to a Vaillant boiler with minimal adjustments.
Can you help me choose the right Vaillant boiler for my home?
Yes. Our experienced heating engineers will recommend the best model based on your hot water usage, property size, and budget.
How long does a Vaillant boiler installation take?
Most Vaillant boiler installations are completed within one to two days. We are highly efficient and will carry out your installation with the minimum of hassle.
Are your engineers Gas Safe Registered for boiler installation?
Yes, not only are our engineers Mastertech level accredited Vaillant boiler installers, we are fully Gas Safe Registered.
Contact the team today
To arrange a quotation, call us today on 01962 448013 (Winchester) or 02381 733139 (Southampton). Alternatively, fill out our contact form, and we will be in touch.