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Baxi Duo Tec 28 boiler

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Plumbproud rating

84.87%

Baxi Duo-tec 28 Combi Gas boiler

On the PlumbProud boiler quality benchmark scoring system, we have rated this Baxi Duo-tec 28 Combi boiler at 84.87%. Ratings are determined by considering a number of important factors including the energy efficiency, price installed, warranty length, and running costs of the boiler.

We estimate that this Baxi Duo-tec 28 Combi boiler will cost £2,000 fully installed through PlumbProud provided that the fit is straightforward.

To contact us, please enter your postcode in the quote boxes on this page, click here to email us, or give us a call on 01604 343053. We can provide you with a free quote on the Baxi Duo-tec 28 boiler and offer professional advice and guidance on whether this Baxi Duo-tec 28 Combi boiler is the right choice for your home.


Installed price around

£2,000

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Baxi Duo-tec 28 Combi Gas boiler frequently asked questions

Is this Baxi Duo-tec 28 boiler a combi, system or regular boiler?

Looking for a gas combi boiler for your house or flat? If you are, the Baxi Duo-tec 28 boiler may be worth considering.

Traditional boilers require at least one large cylindrical tank to work, normally housed in a large landing cupboard, utility room or the attic. As the UK has some of the world's smallest residential properties, manufacturers introduced the combi boiler in the 1970s to address the issue of space while meeting homeowners' need for central heating and hot water at the same time.

Combi boilers don't need external storage tanks. Instead, they draw water directly from the mains, heat it and then distribute it on demand to the areas where it is needed.

The most important disadvantage of combi boilers is that they have a maximum capacity for the amount of water they can heat up. This means that, if one person in your household is having a shower and another person turns on a hot water tap elsewhere, then the volume, pressure and temperature of the water to both points decreases.

Is a Baxi Duo-tec 28 combi boiler suitable for my apartment or house?

Whether this Baxi Duo-tec 28 Combi boiler is right for where you live depends on its size or "output" level. Size does not mean its physical dimensions - it means how powerful it is.

A boiler’s output is a measurement of the amount of power it can use to provide hot water to your taps and radiators. The higher its output rate, the more water it can heat.

If your new boiler’s output is too low, your hot water might not be as hot as you want it to be. If it's too high, you’ll be paying more for gas than you need to.

The output of the Baxi Duo-tec 28 combi boiler is 28 kW, so which types of property would this be appropriate for?

Most experienced heating engineers would suggest that the most suitable type of property for installing a Baxi Duo-tec 28 combi boiler in would be medium-sized homes and larger apartments with 10-15 radiators and two bathrooms.

You should also consider a combi boiler's "flow rate" when making your choice.

The flow rate indicates how much water it can take from the mains supply at any one time (measured in litres per minute), which it then heats and distributes to different points in your home like your bathroom, kitchen and radiators. This Baxi Duo-tec 28 Combi boiler's flow rate is 12 L/m.

Combi boilers have no storage tanks like system or heat only boilers. This means that if the water pressure where you live is low, there's no benefit in spending money on a combi with a high flow rate because a high flow rate doesn't mean it can draw any more water from the mains.

In addition, there might be lots of people in your household who want to use hot water at the same time while also having the central heating on. Given that average mains pressure in the UK is between 10 and 12 litres per second and a power shower usually requires about 12 litres of water per minute, a combi boiler might not be the right choice for you and your family.

When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


Baxi Duo-tec 28 - size in millimetres

The Baxi Duo-tec 28 boiler is 780 mm high, 450 mm wide, and 345 mm deep.

Duo-tec 28 – non-condensing or condensing?

Condensing gas boilers like the Baxi Duo-tec 28 are environmentally friendlier and cheaper to run so, if possible, we strongly recommend that you choose this or one of the very latest models.

Condensing boilers are much more efficient and economical to run because they contain a secondary heat exchanger that captures and recycles the warmth still present in the flue exhaust gases and the water vapour condensation for re-use, meaning that they use less gas to run.

Is the combi Baxi Duo-tec 28 boiler energy efficient?

As the British public has become more conscious of climate change, many homeowners consider the environment when choosing how to heat their homes.

Central heating accounts for 14% of greenhouse gas emissions in the UK. In larger British cities, gas boilers emit dangerous levels of nitrogen dioxide into the atmosphere.

Would installing the Baxi Duo-tec 28 combi in your home be an environmentally friendly decision? Let's look closely at the figures.

By law, the minimum level of energy efficiency for boilers manufactured in the UK is 92%, equivalent to a good SEDBUK “A” rating. Prior to April 2018, the minimum was 88% - boilers whose energy efficiency levels were 88% or 89% were given a "B" rating on the SEDBUK scale and those at 90% or higher were given an "A".

The energy efficiency rating awarded to each boiler indicates the amount of energy that is wasted when in operation.

Following testing, the Baxi Duo-tec 28 was given a 92% energy efficiency rating and a SEDBUK grading of "A".

The ERP (or Energy Related Products Directive) is a European regulation governing products which require energy to operate throughout their lives and encourages manufacturers to create products that are more environmentally friendly.

The legislation is designed to reduce the potential for harmful gas emissions during manufacturing and actual use right through to the point of final disposal.

For the Baxi Duo-tec 28, the ERP rating is "A" for heat and "A" for hot water production.

How long is the warranty period on a Baxi Duo-tec 28 combi boiler?

Parts and labour charges incurred during a repair on the Baxi Baxi Duo-tec 28 boiler are covered by a 7 year warranty.


Baxi Duo-tec 28 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?No
P/L Warranty7 Years
Output in kW28 kW
Height780 mm
Width450 mm
Depth345 mm
MountingWall
Flow rate12 L/m
ERP HeatA
ERP WaterA

The top 10 rated Gas Combi boilers

Using the Plumbproud scoring system, the current 10 ten Gas Combi boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%

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Baxi Duo-tec 28 Combi Gas boiler

  1. Home
  2. Baxi Duo-tec 28
Plumbproud rating for this boiler
84.87%

On the PlumbProud boiler quality benchmark scoring system, we have rated this Baxi Duo-tec 28 Combi boiler at 84.87%. Ratings are determined by considering a number of important factors including the energy efficiency, price installed, warranty length, and running costs of the boiler.

On a straightforward installation of this make of boiler using PlumbProud, you should expect to budget around £2,000.

Wondering if the Baxi Duo-tec 28 is the right boiler for your home? Then speak to a professional here by getting in touch via email or call us on 01604 343053. You can also get a free quote by entering your postcode in the box on the page.


Installed price guideline
£2,000

Get your free quote

Baxi Duo-tec 28 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?No
P/L Warranty7 Years
Output in kW28 kW
Height780 mm
Width450 mm
Depth345 mm
MountingWall
Flow rate12 L/m
ERP HeatA
ERP WaterA

Baxi Duo-tec 28 Combi Gas boiler frequently asked questions

Is the Baxi Duo-tec 28 a system boiler, a combi boiler or a regular boiler?

Looking for a gas combi boiler for your flat or house? Then the Baxi Duo-tec 28 may be an option you should consider.

Boilers traditionally required the installation of one or more large tanks around your property. These were filled with water that was either being heated or was to be heated later. British homes are among the smallest in the world so, to solve the space problem, manufacturers introduced combi boilers in the 1970s to offer homeowners the warmth and hot water supply they needed while taking up much less space.

A combi boiler is designed to heat both radiators and taps on demand and at the same time. Water from the mains passes through a combi boiler and the boiler's technology instantly turns it into hot water. Your boiler then distributes the hot water throughout your home.

The main disadvantage of combi boilers is that they have a maximum water volume capacity. What this means is that, if one person is using the shower while another uses a hot tap simultaneously, less water gets to each area, resulting in a fall in water pressure at both points.

Would the Baxi Duo-tec 28 combi boiler be suitable for my house or flat?

Whether this Baxi Duo-tec 28 Combi boiler is right for where you live depends on its size or "output" level. Size does not mean its physical dimensions, however - it means how powerful it is.

Measured in kilowatts, a boiler's output level is an indication of the amount of power it has available to it to heat the water coming from your taps and for warming your radiators. The greater the output level, the more water it can heat.

If you choose a boiler whose output level is too low, you'll often find that the water is not as hot as you want it to be. If you choose a boiler whose level is too high, you'll be paying higher gas bills than you need to for years to come.

The output of the Baxi Duo-tec 28 combi is 28 kW, so which types of property is this Baxi Duo-tec 28 Combi boiler appropriate for?

Most experienced boiler engineers would recommend that this Baxi Duo-tec 28 Combi boiler would be suitable for medium-sized homes and larger apartments with 10-15 radiators and two bathrooms.

You'll also need to be sure to choose a combi boiler with the right flow rate for your home.

The flow rate indicates the maximum volume of hot water (measured in litres per minute) that your boiler can distribute at any given time. This means that if you and your family are likely to be using several taps and showers simultaneously or you have a lot of radiators, you need a boiler with a high flow rate. This Baxi Duo-tec 28 Combi boiler's flow rate is 12 L/m.

As with all combi boilers, the Baxi Duo-tec 28 is only able to heat and distribute water at the rate at which it actually enters your property.

For this reason, you shouldn't purchase a boiler with a very high flow rate if the flow rate in your mains pipes is lower because the extra capacity doesn't mean it can draw more water from the mains pipes.

When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


How large is the Baxi Duo-tec 28?

The size of the Baxi Duo-tec 28 boiler is 780 mm high, 450 mm wide, and 345 mm deep.

Is the Baxi Duo-tec 28 non-condensing or condensing?

We recommend that you choose a condensing boiler wherever possible like the Baxi Duo-tec 28 - try to go for the latest model, if possible, to take advantage of improving technology.

Condensing boilers capture and recycle the warmth still present in the water vapour condensation and in flue exhaust emissions created by burning gas to make them more efficient and economical to run.

You will save money on your gas bills too, plus condensing boilers are friendlier to the environment.

Is the Baxi Duo-tec 28 combi environmentally friendly?

How we heat our homes and the effect that has on climate change has become important to many homeowners worried about the environment.

About 14% of the greenhouse gases we produce in the UK come from the power needed for central heating. In bigger British cities, gas boilers are a significant source of nitrogen dioxide emissions.

Would installing a Baxi Duo-tec 28 combi boiler in your home help combat climate change? What do the figures suggest?

Boilers manufactured in the UK must be tested and, by law, achieve an energy efficiency rating of 92% or above, equivalent to a SEDBUK "A" grade. Most boilers achieve an "A" rating meaning they are at least 88% efficient.

The energy efficiency of a boiler indicates the amount of energy it uses (and wastes) during operation.

The Baxi Duo-tec 28 has been assigned an efficiency rating of 92% with a SEDBUK rating of "A".

The Energy Related Products Directive (ERP) is European legislation that applies to all products which use or consume energy during their lifespan, including during the manufacturing process and when they're in actual use, right through to the point of final disposal.

The aim is to encourage manufacturers to create new products that are kinder to the environment and create fewer harmful gas emissions.

The Baxi Duo-tec 28 has an ERP Heat rating of "A" and an ERP Water rating of "A".

What warranty do I get if I purchase the Baxi Duo-tec 28 boiler?

Baxi’s Duo-tec 28 boiler includes a parts and labour warranty of 7 years.


The top 10 rated Gas Combi boilers

Using the Plumbproud scoring system, the current 10 ten Gas Combi boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%
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