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Baxi Duo Tec 33 boiler

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Plumbproud rating

84.68%

Baxi Duo-tec 33 Combi Gas boiler

We have determined a rating of 84.68% for this Baxi Duo-tec 33 Combi boiler on the PlumbProud quality scoring system. The rating is determined using a variety of important factors including price installed, manufacturer guarantees, energy efficiency and the likely cost of running.

This Baxi Duo-tec 33 Combi boiler is likely to cost around £2,000 fully installed by PlumbProud if there are no unexpected complications during the fit.

Please enter your postcode in the quote boxes on this page, email us, or call us on 01604 343053 to get a free quote and guidance on whether the Baxi Duo-tec 33 boiler is the right choice for your home.


Installed price around

£2,000

GET A COMPETITIVE BOILER QUOTE

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Baxi Duo-tec 33 Combi Gas boiler frequently asked questions

Is the Baxi Duo-tec 33 a system, regular or combi boiler?

You may wish to consider installing the Baxi Duo-tec 33 if you are looking for a combi boiler for your house or flat.

Traditional boilers have one or more large tanks in which they store either heated water or water to be heated later. Manufacturers originally introduced combi boilers to the market in the 1970s to enable homeowners to save space - UK residential properties are among the smallest in the Western world.

Combi boilers don't need these tanks because they draw water directly from the mains and instantly heat it on demand thanks to the technology inside the boiler. Combi boilers then distribute this hot water to your home’s taps and radiators when needed.

The most significant disadvantage of combi boilers is that they are not ideal in larger homes where multiple people might want hot water at the same time – for example, if someone is having a shower while another wants to wash dishes in the kitchen. This is because combi boilers have a maximum volume of water that they can heat. When two people want hot water at the same time, the water temperature, pressure and volume delivered to both points drop.

Would the Baxi Duo-tec 33 combi boiler be suitable for my house or flat?

It's best to choose a boiler whose size or "output" is right for your property. With boilers, however, size does not mean how big a boiler is, it means how much power it has.

The output of a boiler is measured in kilowatts and tells you how much power it has available to heat the water it sends to your hot taps, showers and radiators. The greater the demand for hot water in your home, the larger the output you will need.

It is important to select a boiler with the optimal output rate. Choose one with too high an output and your gas bills will be too expensive. Choose one with too low an output and sometimes the water in your radiators and coming out of your taps will be barely lukewarm.

The output of the Baxi Duo-tec 33 combi is 33 kW kilowatts, so which types of property would this be most suitable for?

A boiler engineer would be likely to recommend that this Baxi Duo-tec 33 Combi boiler is capable of providing heating and hot water to 10-15 radiators and two bathrooms and would therefore be most suitable for medium-sized homes and larger apartments.

Flow rates are important when choosing a combi boiler as well as output rates.

A combi boiler's flow rate (measured in litres per minute) describes how much water it can instantly heat then distribute to the taps and radiators in your home - you will need to factor this into your decision on a new combi boiler. This Baxi Duo-tec 33 Combi boiler's flow rate is 14 L/m.

If you have a lot of radiators and bathrooms in your home and there's lots of demand within your household for hot water at the same time (like morning or evening showers and baths), you'll need a boiler with a high flow rate.

However, it's not quite that simple. If your local mains water pressure is low, you're not going to gain any benefit from choosing a combi boiler with a high flow rate because that higher flow rate 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.


The size of the Baxi Duo-tec 33 in millimetres

The dimensions of the Baxi Duo-tec 33 are 780 mm tall, 450 mm wide, and 345 mm deep.

Baxi Duo-tec 33 – condensing or non-condensing?

Condensing boilers like the Baxi Duo-tec 33 improve energy efficiency and reduce your annual expenditure on gas.

They do this by capturing and recycling the warmth still present in water vapour condensation and flue exhaust gases to, for example, increase the temperature of the colder water returning from your radiators.

Condensing boilers are also much better for the environment because they emit fewer greenhouse gases.

How environmentally friendly is the Baxi Duo-tec 33 combi?

Environmentally-friendly heating has become an important issue for homeowners concerned about the accelerating pace of climate change.

Central heating produces 14% of all greenhouse gas emissions in the UK. Gas boilers in the larger cities emit dangerous levels of nitrogen dioxide.

Let's take a closer look at whether installing a Baxi Duo-tec 33 combi would be a good choice for the environment.

All boilers manufactured in the UK from April 2018 must operate at a minimum level of energy efficiency of 92% ("A" rating on the SEDBUK scale). Before that, the minimum was 88% - boilers scoring 88/89% were given a SEDBUK "B" rating and 90% or above an "A" rating.

The energy efficiency score of a boiler indicates how much energy it uses and how much goes to waste when in use.

After its assessment, the Baxi Duo-tec 33 was given an efficiency rating of 92% and a SEDBUK grading of "A".

Energy-efficient boilers help the environment as they require less fuel and emit fewer harmful gases. In 2015, the EU introduced the Energy Related Products Directive (ERP), the aim of which was to ensure that all manufacturers, including boiler manufacturers, developed more efficient products and processes.

The legislation aims to conserve energy at all life cycle stages from initial production to actual use by the customer, through to the point of disposal.

The Baxi Duo-tec 33 has been given an ERP rating of "A" for heat and "A" for water.

If the Baxi Duo-tec 33 breaks down, will I be covered by the warranty?

You receive a parts and labour warranty of 7 years with the Baxi Duo-tec 33 boiler.


Baxi Duo-tec 33 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?No
P/L Warranty7 Years
Output in kW33 kW
Height780 mm
Width450 mm
Depth345 mm
MountingWall
Flow rate14 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 33 Combi Gas boiler

  1. Home
  2. Baxi Duo-tec 33
Plumbproud rating for this boiler
84.68%

We have determined a rating of 84.68% for this Baxi Duo-tec 33 Combi boiler on the PlumbProud quality scoring system. The rating is determined using a variety of important factors including price installed, manufacturer guarantees, energy efficiency and the likely cost of running.

This Baxi Duo-tec 33 Combi boiler will cost approximately £2,000 supplied and fully installed through PlumbProud assuming that there are no unexpected complications during the fitting.

If you would like to get in touch with us for a free quote and professional guidance and advice on whether the Baxi Duo-tec 33 is the right choice for your home, you can do so by entering your postcode in the quote boxes on this page, calling us on 01604 343053 or you can click here to email us.


Installed price guideline
£2,000

Get your free quote

Baxi Duo-tec 33 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?No
P/L Warranty7 Years
Output in kW33 kW
Height780 mm
Width450 mm
Depth345 mm
MountingWall
Flow rate14 L/m
ERP HeatA
ERP WaterA

Baxi Duo-tec 33 Combi Gas boiler frequently asked questions

Is the Baxi Duo-tec 33 a combi, system or regular boiler?

If you want a combi boiler for your flat or house, the Baxi Duo-tec 33 might be an option for you to consider.

Combi boilers provide hot water or heating for your home on demand. You just need to turn the tap to get hot water or switch on the radiator and you’ll feel your home warm up within minutes.

In contrast, traditional boilers required either one or two large storage tanks to work - one to heat and keep water warm and the other to hold cold water for later heating. If the immersion tank was empty, it wasn’t uncommon to wait up to an hour for enough hot water to fill a bath, for example.

Combi boilers draw cold water from the mains and then heat it instantly whenever it's needed, all from one small unit.

The one disadvantage to combi boilers is that, if more than one point is in use at any one time (for example, if someone is taking a shower and another person turns on a hot water tap elsewhere in the property), water pressure, temperature and volume drop to both points.

Is the Baxi Duo-tec 33 combi boiler the right choice for my house or apartment?

It's best to choose a boiler whose size or "output" is right for your property. With boilers, however, size does not mean how big a boiler is, it means how much power it has.

A boiler’s output indicates the amount of power it can use when heating the water which it then sends to your taps and radiators. The higher the output rate, the more water it can heat.

If a boiler’s output is too low, there will be times when your hot water might not be as hot as you want it to be. If it is too high, you’ll likely be paying more than you need to for your gas.

Measured in kilowatts, the Baxi Duo-tec 33 combi's output level is 33 kW, so which types of property would this Baxi Duo-tec 33 Combi boiler be an appropriate choice for?

Most experienced Gas Safe boiler installers would suggest that the Baxi Duo-tec 33 combi boiler would be a suitable choice for installation in medium-sized homes and larger apartments with 10-15 radiators and two bathrooms.

With combi boilers, you need to consider the flow rate as well as the output rate. The flow rate (shown in litres per minute) measures how much water your boiler can draw from the mains which it then instantly heats and distributes to your taps and radiators.

However, a high flow rate is of little to no value if your local water pressure is low. If your local mains water pressure is 10l/m and your flow rate is 12l/m, your boiler will only be able to process 10l/m.

If you live in an area with high water pressure but your household has multiple bathrooms and/or radiators and many members of your household want to use hot water at the same time (like morning or evening baths or showers), it's unlikely that you'll be able to find a combi with a high enough flow rate.

As an indication, a power shower needs about 10 litres of water per minute, whereas the flow rate of this Baxi Duo-tec 33 Combi boiler is 14 L/ml/m.

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 a Baxi Duo-tec 33 boiler?

The size of the Baxi Duo-tec 33 boiler is 780 mm high, 450 mm wide, and 345 mm deep.

Baxi Duo-tec 33 – non-condensing or condensing?

We recommend the Baxi Duo-tec 33 as it is a modern condensing gas boiler from a trusted manufacturer with a reputation for supplying highly energy-efficient boilers.

Condensing boilers capture the heat still present in water vapour condensation and flue exhaust gases and recycle it back into the heating system. With this extra energy, your boiler can, among other tasks, reheat colder water coming back from your radiators without having to burn more gas.

Condensing boilers significantly reduce your quarterly gas costs and they're better for the environment.

Is the Baxi Duo-tec 33 combi boiler good for the environment?

More and more homeowners are aware of the importance of how we heat our homes and its impact on climate change and other environmental issues.

Central heating creates 14% of the UK’s greenhouse gases. And in Britain's larger cities, gas boilers are responsible for dangerous levels of nitrogen dioxide emissions.

Would the environmental impact of installing a Baxi Duo-tec 33 combi in your home be positive? Let's look at the numbers.

All boilers manufactured and installed in the UK are required to have an energy efficiency rating of 92% or above (or a good “A” SEDBUK rating). Before April 2018, when the law changed, the minimum energy efficiency level permissible was 88% (86-90% is a SEDBUK "B" rating and 90%+ is an "A" rating).

A boiler's energy efficiency rating indicates the amount of energy used and wasted during normal operational performance.

Following its assessment, the Baxi Duo-tec 33 was given an efficiency rating of 92% and a SEDBUK grading of "A".

The ERP (or Energy Related Products Directive) is European legislation which applies to all products that consume energy throughout their lifetime.

Its purpose is to encourage manufacturers to offer products that are kinder to the environment by reducing harmful gas emissions at all stages, from production and end use right through to disposal.

The ERP rating for the Baxi Duo-tec 33 is "A" for heat and "A" for water.

How many years does the warranty period cover on a Baxi Duo-tec 33 boiler?

The Baxi Duo-tec 33 boiler offers 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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