From £1,895
or £25/mo on finance · 5-year warranty - Worcester Bosch Greenstar 25 combi
- Magnetic system filter and cleanse
- 5-year manufacturer warranty
- Wireless thermostat
- Standard installation in a day
Worcester Bosch and Vaillant, compared honestly
Heating
Worcester Bosch and Vaillant, compared honestly
Accredited installer for both. Accreditation is what unlocks the up to 10-year warranty most fitters cannot offer. We recommend by your home and budget, never by our margin.
From £1,895 fixed price
✓ Fixed price, never beaten✓ Up to 10-year warranty✓ Gas Safe registered engineers
The honest difference
Both brands are genuinely excellent. The differences are real but small, and which one suits you depends on your home, not on a sales pitch. This page sits within our wider Yorkshire heating service, and the warranty story matters most when you see installation prices and warranties on a real survey.
Worcester Bosch or Vaillant
Both are excellent. Here is the honest difference.
We are accredited installers for both, which is what unlocks the extended manufacturer warranty. We recommend by your home and budget, never by our margin. The full breakdown is on our Worcester Bosch and Vaillant comparison page.
Worcester Bosch
Accredited installer
Vaillant
Advance installer
- Heat exchanger
- Aluminium, heats up fast
- Stainless steel, longer-life
- Running noise
- Quiet
- Quieter under load
- Speed of warranty call out
- Reasonably quick
- Very quick
- Max warranty (fitted by us)
- Up to 10 years
- Up to 10 years
- Typical position
- Usually a little cheaper
- Marginally more efficient
Why accreditation changes the price you should compare
A cheaper headline boiler fitted by a non-accredited installer often carries a shorter warranty. The number that matters is the total cost over the warranty period, not the day-one price. Accreditation for both Worcester Bosch and Vaillant is what lets us offer up to 10 years parts and labour. When you are deciding between a combi and a system unit, our combi boilers explained page covers the sizing honestly.
Pricing
Three honest packages. One fixed price.
Indicative prices for a like-for-like combi swap in a 2 to 3 bed home. Your fixed quote is confirmed at survey and is never higher for the same install. See finance options to spread the cost from £25 a month.
From £2,095
or £28/mo on finance · 10-year warranty - Vaillant ecoTEC 28 combi
- Magnetic system filter and cleanse
- 10-year parts and labour warranty
- Wireless thermostat
- Standard installation in a day
From £2,295
or £31/mo on finance · 10-year warranty - Vaillant ecoTEC 28 combi
- Magnetic system filter and cleanse
- 10-year parts and labour warranty
- Hive wireless thermostat
- App control from your phone
- Standard installation in a day
Questions
Things people ask. The honest answers.
Worcester Bosch or Vaillant, which is better?
Both are excellent and we are accredited for both. Worcester Bosch is usually a little cheaper and heats up fast with an aluminium heat exchanger; Vaillant runs quieter with a stainless steel exchanger. We recommend by your home, not by margin.
Why does being an accredited installer matter?
Accreditation is what unlocks the up to 10 year manufacturer warranty. An install by a non-accredited fitter often gets a shorter warranty, so the headline boiler price is not the whole story. Always check the warranty, not just the price.
Which boiler brand is most reliable?
Worcester Bosch and Vaillant both score highly for reliability in independent reviews. We fit both and stand behind the install regardless of brand, so reliability comes from the fit as much as the badge on the front.
Do you fit other boiler brands?
We install Worcester Bosch and Vaillant as our accredited brands. We repair and service most makes, but for new installs we stay with the two brands whose warranties we can fully back for you.
Ready when you are.
Let's get you booked.
Get a fixed-price quote online in 60 seconds, or talk it through with an engineer. Read Yorkshire customer reviews