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Grant Vortex Eco 21/26 boiler

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  2. Grant Vortex Eco 21/26
Plumbproud rating

68.66%

Grant Vortex Eco 21/26 heat only Oil boiler

We scored this Grant Vortex Eco 21/26 heat only boiler at 68.66% on our internal benchmarking system. To determine a score, we take into consideration a number of different factors including the boiler's energy efficiency, installed price, likely running costs, and the length of the manufacturer's warranty.

On most non-complicated installations, we would expect this Grant Vortex Eco 21/26 heat only boiler to cost £2,900 including installation if you choose PlumbProud to do the work.

If you would like a free quote and professional advice and guidance to help you decide if the Grant Vortex Eco 21/26 is the right choice for your home, please get in touch. You can do this by entering your postcode in the quote boxes on this page, click here to email us or give us a call on 01604 343053.


Installed price around

£2,900

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Grant Vortex Eco 21/26 heat only Oil boiler frequently asked questions

Grant Vortex Eco 21/26 - combi, system or regular boiler?

The Grant Vortex Eco 21/26 boiler could be suitable for your house or flat if you are looking for a new heat only boiler.

Heat only boilers (sometimes called conventional boilers, standard boilers or regular boilers) need both a hot water cylinder with an immersion heater and a cold-water tank to work. The cold water tank (normally found in an attic or a loft) passes water when required to the hot water cylinder (normally found in a landing or airing cupboard), which heats the water and keeps it warm.

When you set the times you want for your hot water and central heating, the hot water for your taps, showers, baths and radiators is drawn from the hot water cylinder. Bear in mind though that, if you forget to program the system and the hot water cylinder is empty, you may have to wait up to an hour for your hot water.

A heat only boiler is usually the recommended option for families or properties with multiple bathrooms. This is because, unlike combi boilers which can only effectively provide for one outlet at a time without a drop in water pressure, volume or temperature, standard boilers can handle demand from multiple points around the home at once.

Would the Grant Vortex Eco 21/26 heat only be a suitable choice of boiler for my house or flat?

To determine that, we need to consider the size of the boiler. Size doesn't mean how big the boiler is - it means how big its "output" is.

This Grant Vortex Eco 21/26 heat only boiler gets its power from oil and the power it's capable of producing is measured in kilowatts - the output rate is actually a kilowatt rate. The higher the output rate, the more kilowatts a boiler can use when heating water.

If you choose a boiler whose output rate is too low, it may not have enough power to make your water as hot as you would like. If you choose a boiler whose output rate is too high, you won't have to put up with lukewarm water but you will face higher oil bills.

The Grant Vortex Eco 21/26 heat only boiler has an output level of 26 kW, so which types of property would it be appropriate for?

Most Gas Safe boiler installers would recommend that a boiler with this output level would be most suitable for larger properties including detached homes with 15 or more radiators and two or more bathrooms.


Grant Vortex Eco 21/26 dimensions

The Grant Vortex Eco 21/26 boiler is 908 mm high, 505 mm wide, and 800 mm deep.

The Grant Vortex Eco 21/26 boiler is an external, floor-standing heat only boiler benefiting from sturdy weatherproof housing that provides reliable protection from the UK’s changeable weather, rusting, and water ingress.

Because they're installed outdoors, you save valuable space inside your home and you'll never hear the boiler in operation. An external boiler is also much easier for a service engineer to access if it breaks down or needs repair.

External boilers cut the risk of carbon monoxide leaking into your home and, because the oil it uses for power is stored outside, you greatly reduce the potential for indoor oil leakages which often cause severe damage as well as unpleasant odours that can be very hard to get rid of.

Grant Vortex Eco 21/26 – non-condensing or condensing?

The Grant Vortex Eco 21/26 is a condensing oil boiler - we’d strongly recommend that you choose the very latest condensing model for your home.

Condensing boilers run on either gas or oil and are manufactured specifically to improve energy efficiency. They do this by capturing and recycling the warmth present in flue exhaust gases and water vapour condensation into more usable heat the system can use, meaning they're far more efficient and cost less to run.

Is the Grant Vortex Eco 21/26 heat only a good choice for the environment?

Concern for the environment is causing more and more homeowners to think about how they heat their homes and its impact on climate change.

Gas boilers are responsible for dangerous atmospheric levels of nitrogen dioxide emissions in Britain's biggest cities and, overall, 14% of the UK’s greenhouse gases are produced by our domestic central heating systems.

Will installing a Grant Vortex Eco 21/26 heat only be a positive contribution to the environment? Let's see what the experts say.

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 Grant Vortex Eco 21/26 was given an efficiency rating of 91.7% and a SEDBUK grading of "A".

The ERP (Energy Related Products Directive) applies to all products that consume energy at any time in their lifetime, from manufacture to disposal and all points in between.

The intention of this European legislation is to encourage manufacturers to offer end users products that are better for the environment through the creation of fewer harmful gas emissions at all points of a product's life cycle.

The ERP rating for the Grant Vortex Eco 21/26 is "A".

What is the warranty period on a Grant Vortex Eco 21/26 heat only boiler?

The Grant Vortex Eco 21/26 boiler comes with a parts and labour warranty of 2 years.


Grant Vortex Eco 21/26 Oil heat only boiler specifications

Powered by GasOil
LocationExternal
Condensing?Yes
Efficiency rating91.7%
Band ratingA
LPG Compatible?No
P/L Warranty2 Years
Output in kW26 kW
Height908 mm
Width505 mm
Depth800 mm
MountingFloor
ERP HeatA

The top 10 rated Oil heat only boilers

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

1Worcester Bosch Greenstar Danesmoor Utility 12/1878.54%
2Worcester Bosch Greenstar Danesmoor Utility 18/2578.10%
3Worcester Bosch Greenstar Danesmoor Regular 12/1877.84%
4Worcester Bosch Greenstar Danesmoor Regular 18/2577.60%
5Worcester Bosch Greenstar Danesmoor External 12/1877.31%
6Worcester Bosch Greenstar Danesmoor External 18/2577.07%
7Worcester Bosch Greenstar Danesmoor Utility 25/3276.93%
8Worcester Bosch Greenstar Danesmoor Regular 25/3276.62%
9Worcester Bosch Greenstar Danesmoor Utility 32/5076.36%
10Worcester Bosch Greenstar Danesmoor External 25/3276.24%

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Grant Vortex Eco 21/26 heat only Oil boiler

  1. Home
  2. Grant Vortex Eco 21/26
Plumbproud rating for this boiler
68.66%

In our PlumbProud quality testing, this Grant Vortex Eco 21/26 heat only boiler scores 68.66%. We determine our rating based on a number of different factors including installation costs, manufacturer guarantees, energy efficiency, and operating costs.

We estimate that this Grant Vortex Eco 21/26 heat only boiler will cost £2,900 fully installed through PlumbProud provided that the fit is straightforward.

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 Grant Vortex Eco 21/26 boiler is the right choice for your home.


Installed price guideline
£2,900

Get your free quote

Grant Vortex Eco 21/26 Oil heat only boiler specifications

Powered by GasOil
LocationExternal
Condensing?Yes
Efficiency rating91.7%
Band ratingA
LPG Compatible?No
P/L Warranty2 Years
Output in kW26 kW
Height908 mm
Width505 mm
Depth800 mm
MountingFloor
ERP HeatA

Grant Vortex Eco 21/26 heat only Oil boiler frequently asked questions

Is the Grant Vortex Eco 21/26 boiler a combi, system or regular boiler?

The Grant Vortex Eco 21/26 boiler is an option you may wish to consider if you're looking for a heat only boiler for your house or flat.

Heat only boilers, also known as regular or conventional boilers, need enough space for a hot water cylinder with an immersion heater (usually found in a landing cupboard) and a cold-water tank (usually found in a loft). The hot water cylinder keeps water warm and the cold water tank stores water that it passes to the hot water cylinder when required or programmed to do so.

You control how your heat only boiler works by programming it to heat water and provide central heating at the times and on the dates you choose. But if you forget to set times and dates and your hot water cylinder is empty, you may have to wait up to an hour before you have hot water again in your home.

Heat only boilers are often the best choice for a larger family or a property with multiple bathrooms as, unlike with combi boilers, there is no drop in water pressure, temperature or volume when more than one person wants hot water.

Is the Grant Vortex Eco 21/26 heat only boiler a suitable choice for my property?

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

The amount of hot water you get from showers, bathrooms, and sinks and heat from your radiators depends on your boiler's output (measured in kilowatts). The higher the level of output, the better your home will be heated and you can be more certain that the water from your taps will be as hot as you want.

However, you must be careful. You might not get the hot water you want if your boiler output is too low. If it's too high, you'll be paying more than you need to for gas.

With the Grant Vortex Eco 21/26 heat only's output at 26 kW, which types of property would this Grant Vortex Eco 21/26 heat only boiler be most appropriate for?

A PlumbProud heating engineer would recommend that this Grant Vortex Eco 21/26 heat only boiler be installed in larger properties including detached homes with 15 or more radiators and two or more bathrooms.


Making space for the Grant Vortex Eco 21/26

The dimensions of the Grant Vortex Eco 21/26 are 908 mm tall, 505 mm wide, and 800 mm deep.

With a floor-standing external heat only boiler like the [manufacturer Grant Vortex Eco 21/26, it is much easier for a service engineer to access it if something goes wrong and also much less likely that carbon monoxide will leak into your house.

Boilers like this one offer durable weatherproof housing meaning you can install it safely outdoors. And because the oil is outside your home, there is less chance of oil leakage, which can cause damage and unpleasant odours.

Is the Grant Vortex Eco 21/26 a non-condensing or condensing boiler?

The Grant Vortex Eco 21/26 is a condensing oil boiler - where possible, we always recommend to clients that they choose one of the very latest condensing boilers to take advantage of this technology, which improves year after year.

Condensing boilers are more energy-efficient as they capture and recycle the heat contained in flue exhaust gases and water vapour condensation. They then use this heat to perform tasks like warming up colder water returning to the boiler from the radiators.

By choosing a condensing boiler, you'll help the environment as well as save money on your oil bills.

Is the Grant Vortex Eco 21/26 heat only environmentally friendly?

Many homeowners are becoming increasingly concerned about how they heat their homes and the impact it has on climate change and other important environmental issues.

Nitrogen dioxide emissions in Britain's largest cities are at dangerous levels and this has been caused by gas boilers. In fact, 14% of the UK’s greenhouse gases are produced by central heating.

Would choosing the Grant Vortex Eco 21/26 heat only be an environmentally-friendly choice? If so, let's look at its performance figures.

Every boiler manufactured and supplied in the UK must have an energy efficiency rating of 92% (SEDBUK “A” rating). These minimums were made law in April 2018 - before that, the minimum energy efficiency rating was 88% (88%/89% = "B" SEDBUK grade, 90%+ = "A" SEDBUK grade).

The Grant Vortex Eco 21/26 was awarded an efficiency rating of 91.7% and a band rating of "A".

Energy efficiency ratings for boilers describe the amount of energy they use and waste when switched on and working.

The Energy Related Products (ERP) Directive is important European legislation that aims to limit energy use and harmful gas emissions during the manufacturing process, when the product is in use, and after it is disposed of.

For the Grant Vortex Eco 21/26, the ERP Heat rating is "A".

Is there a warranty on the Grant Vortex Eco 21/26 heat only boiler if it breaks down?

The Grant Vortex Eco 21/26 is covered by a parts and labour warranty of 2 years following installation.


The top 10 rated Oil heat only boilers

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

1Worcester Bosch Greenstar Danesmoor Utility 12/1878.54%
2Worcester Bosch Greenstar Danesmoor Utility 18/2578.10%
3Worcester Bosch Greenstar Danesmoor Regular 12/1877.84%
4Worcester Bosch Greenstar Danesmoor Regular 18/2577.60%
5Worcester Bosch Greenstar Danesmoor External 12/1877.31%
6Worcester Bosch Greenstar Danesmoor External 18/2577.07%
7Worcester Bosch Greenstar Danesmoor Utility 25/3276.93%
8Worcester Bosch Greenstar Danesmoor Regular 25/3276.62%
9Worcester Bosch Greenstar Danesmoor Utility 32/5076.36%
10Worcester Bosch Greenstar Danesmoor External 25/3276.24%
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