Call Us: 01773 424563
info@kasenergyltd.co.uk
Genesis Centre, Office 15, King St, Alfreton, DE55 7DQ
Gas Safe Registered
20+ Years Experience
Finance Available
Baxi Approved Installer
Gas Safe Registered
20+ Years Experience
Finance Available
Baxi Approved Installer
Gas Safe Registered
20+ Years Experience
Finance Available
Baxi Approved Installer

Boiler Installation Derby

  • Gas Safe registered engineers
  • Baxi Approved Installer
  • Up to 12 years warranty
  • Serving Derby and all surrounding areas

Get Your Free Boiler Quote

Gas Safe Engineers • Takes Under 60 Seconds

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What do you need help with?

Boiler Installation
Central Heating
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Do you own your home?

Yes
No
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What type of property is it?

Detached House
Semi-Detached
Terraced
Flat / Bungalow
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How many bedrooms?

1-2 Bedrooms
3-4 Bedrooms
5+ Bedrooms
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When do you need this done?

ASAP
This Month
1-3 Months
Just Getting Quotes
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What is your postcode?

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Sorry, we do not currently cover your area. Call us on 01773 424563 and we may still be able to help.
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From £21/month
Finance Available
Free Thermostat
Up to 12yr Warranty

Trusted Boiler Installation in Derby

We're Kim and Sam from KAS Energy — your local gas engineer and heating specialist serving Derby. Kim handles all enquiries and bookings, while Sam and the team take care of installations. Based in Alfreton, we serve homes right across Derby and its suburbs. As your genuinely local boiler installation specialists, we bring the personal service of a family business to the city.

Kim and Sam personally oversee every installation. "We treat every home like our own. If we wouldn't put it in our house, we won't put it in yours."

  • Local family business — based in Alfreton, serving Derby
  • Gas Safe registered (Reg. 532952)
  • Baxi Approved Installer — up to 12 year warranty
  • 315+ five-star reviews from local customers
  • Flexible finance from £21/month
Get Your Free Quote

or call 01773 424563

KAS Energy branded van with Baxi boiler delivery in Derby

Boiler Experts Across Derby

Whether you're in Allestree, Mickleover, Littleover, Oakwood, Chellaston, Spondon, or anywhere across the city — we've got Derby covered. From the Victorian terraces near the city centre to the inter-war semis in Chaddesden and modern family homes in Oakwood, every property type has different heating needs. Whether it's a full boiler replacement in Derby or upgrading from an old back boiler, your local boiler fitter at KAS Energy can help.

As Gas Safe registered engineers and Baxi Approved Installers, we're trusted for Baxi boiler installation and boiler servicing in Derby and surrounding areas. We deliver quality work with honest advice and fair pricing. No call centres, no subcontractors — just us, doing the job properly. Need to spread the cost? We offer flexible finance options from £21/month. Need emergency boiler repair in Derby? We offer same-day callouts too.

Sam from KAS Energy with boiler delivery for Derby installation

What Derby Customers Say

"Very professional service from KAS. Competent plumber fitted the boiler in a day and explained how to operate in an understandable language. He was very tidy and the price from KAS was very competitive. I would have no reservations about recommending this company."

Murray H. - Google

"KAS Energy Plumbing and Heating yesterday installed a new Worcester Bosch wall boiler. They were on time, gave me and my wife full details of what we were looking for. We had got other prices from other companies but they bettered that and gave us an extra 5 years free service cover. Brilliant 100%."

Robert F. - Checkatrade

"Really happy with the service received from KAS Energy, excellent communication and they were able to book me in quickly. Sam replaced my old boiler and was very efficient and professional. I would recommend KAS Energy to anyone and will be using again in the future."

Rosie S. - Facebook

"Sam was very polite and professional. The work was completed and Kimberley kept us up to date with appointment times, availability and documentation. The price was competitive. Overall we're really happy with the work and will be saving their number for the future."

Scott S. - Bark

"The quote was very competitive compared to another local company and an online franchise. Alex was so competent and knowledgeable about the boilers I had chosen that he fitted both boilers on the same day. The work was carried out to a neat high standard. Would highly recommend this company."

Steven M. - Google

"Sam was very polite and professional. The work was completed in a timely manner and Kimberley kept us up to date with appointment times, availability and documentation. The price was competitive. Overall really happy with the work and will be saving their number for other work."

Verified Customer - Checkatrade

Not Sure Which Boiler You Need? We'll Help.

Book a free home survey. Our Gas Safe engineers will assess your property, recommend the right boiler, and give you a fixed-price quote. No obligation, no pressure.

Get Your Free Quote

Everything Covered with Your Installation

When you choose KAS Energy for your boiler installation in Derby, you get a complete service with no hidden extras.

  • Free home survey and quote
  • Removal of old boiler
  • Supply and fit new boiler
  • New flue installation
  • System flush and clean
  • Magnetic filter installation
  • Full safety testing
  • Gas Safe certification
  • Warranty registration
  • User demonstration
KAS Energy engineer installing new boiler in Derby home

25% Lower Energy Bills After Upgrading

A homeowner nearby had been living with a 15-year-old central heating system that was costing a fortune to run and struggling to heat the whole house evenly. After a full system upgrade -including a new condensing boiler, modern radiators throughout, and smart heating controls -the difference was immediate.

Within six months, their energy bills had dropped by 25%. Every room in the house reached a comfortable temperature, and the smart controls meant they were only heating the rooms they were actually using.

That's the kind of difference a properly designed central heating upgrade makes -not just warmer rooms, but real savings you notice every month.

New Vaillant boiler installation by KAS Energy reducing energy bills by 25 percent
25% Lower Bills
£

Save Big On

Your Energy Bills

Spread the Cost of Your New Boiler

Baxi and Vaillant boilers with free smart thermostat, finance available in Derby

A new boiler is a big investment, but it doesn't have to be a big upfront cost. We've partnered with Phoenix Financial Consultants to offer flexible finance on every boiler installation in Derby, so you can spread the cost into manageable monthly payments.

Buy Now, Pay Later

Nothing to pay for 6 months, then spread over 60 months at 10.9% APR

0% APR Available

Spread the cost over 1 to 10 years with no interest to pay

or call 01773 424563

Finance provided through Phoenix Financial Consultants Limited (FCA regulated). Subject to status and credit checks.

Accredited By

We'll Recommend the Right Boiler for Your Home

Not sure whether you need a combi, system, or conventional boiler? Don't worry, most homeowners aren't. That's exactly what our free home survey is for. We'll assess your property, hot water demand, and heating system, then recommend the best option for your home. Here's a quick overview of the three types:

Combi Boilers

The most popular choice for Derby homes. Combi boilers provide heating and hot water on demand without needing a separate tank -ideal for smaller properties and 1-2 bathroom homes. Compact, efficient, and cost-effective.

System Boilers

Perfect for larger homes with multiple bathrooms. System boilers work with a hot water cylinder to deliver strong water pressure to several taps at once. A great option for busy family homes in Allestree, Mickleover, and across Derby.

Conventional Boilers

Also known as regular or heat-only boilers. Best suited for Victorian terraces and period properties near Derby city centre with existing tank systems. If your home has a traditional heating setup, a conventional boiler replacement may be the most straightforward option.

Worcester Bosch boiler fitted by KAS Energy in Derby Vaillant system boiler installation in Derby loft Baxi 400 combi boiler installed by KAS Energy in Derby

Not sure which is right for you?

Our engineers will recommend the perfect boiler during your free home survey.

Get Your Free Quote

or call 01773 424563

Why Derby Chooses KAS Energy

Gas Safe Registered

All engineers fully Gas Safe registered in Derby. Your safety is our priority.

Baxi Approved

Extended warranties up to 12 years on Baxi boilers.

Local to You

Based in Alfreton, just minutes from Derby.

KAS Energy plumbing and heating

5-Star Reviews

Check Google, Checkatrade, and Facebook for our reviews.

Finance Available

Flexible finance from £21/month. 0% APR options.

Fast Installation

Most boilers installed in a single day.

Your New Boiler in 4 Simple Steps

1

Get a Quote

Request your free, no-obligation quote online or by phone.

2

Home Survey

We visit your home and recommend the best boiler for your needs.

3

Expert Installation

Gas Safe registered engineers install your new boiler in your Derby home on a day that suits you.

4

Ongoing Support

Enjoy warranty coverage and reliable aftercare from a local team.

Signs Your Boiler Needs Replacing

Not sure if your boiler needs replacing? Here are the most common signs we see in Derby homes:

  • Rising energy bills -Older boilers lose efficiency over time. If your bills are climbing, your boiler could be wasting energy.
  • Frequent breakdowns -If you're calling out engineers more than once a year, replacement is usually more cost-effective than repair.
  • Strange noises -Banging, whistling, or gurgling sounds often signal internal problems that worsen over time.
  • Your boiler is 10+ years old -Most boilers have a lifespan of 10-15 years. After that, efficiency drops and parts become harder to source.
  • Uneven heating -Cold spots or radiators that don't heat up properly can indicate your boiler is struggling to meet demand.

If any of these sound familiar, a free home survey from your local boiler fitter will tell you exactly where you stand -and whether repair or replacement makes more sense.

Get Your Free Quote

or call 01773 424563

Baxi 400 boiler installation by Gas Safe engineer in Derby

Boiler Installation Near Derby

Based in Alfreton, we serve Derby and all surrounding areas. As a local family business, we understand the area and respond quickly to your heating needs.

Derby Allestree Mickleover Littleover Oakwood Chellaston Spondon Chaddesden Darley Abbey Alfreton Belper Ripley Nottingham

Don't see your area? Get in touch - we likely cover it.

Start Your Quote

or call 01773 424563

Boiler Installation Derby -Your Questions Answered

The cost depends on the type of boiler (combi, system, or conventional), the brand you choose, and the specifics of your installation. Every property is different, which is why we offer a free home survey -so we can assess your home and give you an accurate, fixed-price quote with no surprises. We also offer flexible finance from £21/month to help spread the cost. Call 01773 424563 to book your survey.
Most standard boiler installations are completed in one day. More complex jobs involving system changes or relocating the boiler may take 2-3 days. We'll always give you a clear timeline before starting work.
Yes, all our engineers are fully Gas Safe registered (Registration No. 532952). We're also Baxi Approved Installers, which means we can offer extended warranties of up to 12 years on Baxi boilers.
We install all major brands including Baxi (we're an Approved Installer), Worcester Bosch, Vaillant, and Ideal. We'll recommend the best boiler for your home and budget, with honest advice on the pros and cons of each.
Yes, we offer flexible finance options through our FCA-regulated partner, Phoenix Financial. You can spread the cost over 1-10 years with various plans including 0% APR options. Finance is subject to status and affordability.
Warranty periods depend on the manufacturer and model. As a Baxi Approved Installer, we can offer up to 12 years warranty on Baxi boilers. Worcester Bosch and other brands typically offer 5-10 year warranties. All our workmanship is also guaranteed.
Yes! We're based in nearby Alfreton and regularly work throughout Derby, Pinxton, Kirkby-in-Ashfield, Sutton-in-Ashfield, and all surrounding villages. We can usually offer same-week appointments.
If your boiler is under 10 years old and the repair cost is reasonable, repairing is usually worthwhile. If it's over 10-15 years old, frequently breaking down, or inefficient, replacement is often more cost-effective. We offer honest advice on the best option for your situation - we won't push you to replace if a repair makes more sense.

Get in Touch

Request Your Free Quote

Ready for a new boiler? Contact us for a free, no-obligation quote. We'll arrange a convenient time to survey your property and provide an accurate price.

Phone

01773 424563

Address

Genesis Centre, Office 15, King St, Alfreton, DE55 7DQ

Get Your Free Boiler Quote

Gas Safe Engineers • Takes Under 60 Seconds

0%

What do you need help with?

Boiler Installation
Central Heating
Your information is 100% secure

Do you own your home?

Yes
No
Your information is 100% secure

What type of property is it?

Detached House
Semi-Detached
Terraced
Flat / Bungalow
Your information is 100% secure

How many bedrooms?

1-2 Bedrooms
3-4 Bedrooms
5+ Bedrooms
Your information is 100% secure

When do you need this done?

ASAP
This Month
1-3 Months
Just Getting Quotes
Your information is 100% secure

What is your postcode?

Great, we cover your area! ✓
Sorry, we do not currently cover your area. Call us on 01773 424563 and we may still be able to help.
Your information is 100% secure

Almost done! Your details

Your information is 100% secure

Quote Request Received!

Thanks! Kim or Sam will be in touch shortly to arrange your free, no-obligation home survey.

Call 01773 424563 Submit Another Enquiry →
01773 424563 Call us for a free quote
Start Your Quote

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