HETAS Approved Retailer Course

About HETAS

HETAS (Heating Equipment Testing and Approvals Scheme) is the official body recognised by the Government to approve biomass and solid fuel

heating appliances, fuels and services including the regulation of competent installers and servicing businesses

Visit our website for more informationhetas.co.uk

HETAS Approved Retailers

The HETAS scheme ensures that Approved Retailers have at least oneHETAS trained member of staff on duty in the showroom at all times toadvise customers on appliances and a number of key issues includingmaintenance, carbon monoxide, government regulations and suitable fuels

The Advantages & Benefits

Consumer Confidence customers requesting HETAS installers

Your business searchable on the HETAS web site over 50,000 visitors per month

Promotion & Marketing tools logo, window stickers, consumer advice sheets

HETAS guide approved appliances and products helps customers find their ideal appliance

Monthly e-newsletter industry news, technical updates, changes to standards, events

Free technical help & support by phone or email from HETAS

Exclusive access to the HETAS Online shop discounted products and workwear

Dedicated HETAS Retailer-specific insurance bespoke insurance tailored to your needs

References available

Assisting you in advising your customer on the selection of Appliances , Products and Services

HETAS Approved guideManufacturers brochuresRetailers brochuresSpecific websitesLifestyle magazines

Recap

How many visitors per month visit the HETAS website on average?

Is technical advice and guidance available to Retailers from HETAS?

What other benefits are available to Approved HETAS Retailers?

Section 2

Customer awareness – Advice & Guidance

Common Questions Group Exercise

In groups take 20 minutes to discuss the below.On worksheets provided can you list a further 4 relevant questions?

Q1 I have an existing wooden beam in my fireplace is this okay?

Q2 What size does my stove need to be?

Q3 Can any property have a stove?

Q4 Can I use my existing Chimney?

Discussion

Discuss one another's comments Are there any common themes – issues – questions

Feedback on advice given

Q1 - I have an existing wooden beam in my fireplace

is this okay?

“ This largely depends on the type of stove being installed and the distances from the beam in relation to the installation – A survey of the proposed installation will give further clarity on whether the beam will

require removal and replacement with one of a variety of non combustible alternatives specifically designed to look like the real

thing”

Q2 - What size does my stove need to be?

“The stove output is calculated dependant on the space to be heated – the general method is to calculate Height x Width x Depth of the room.

This along with other relevant factors will indicate the size of the appliance required. “

Q3 - Can any property have a stove?

“More or less any property may be suitable irrespective of whether a chimney is present. A ‘system chimney’ may be installed as opposed to

building a new chimney and may be run within the property or externally”

Q4 - Can I use my existing Chimney

“It may be fine to use the existing chimney; however dependant on the state of your chimney and manufacturers appliance specifications the chimney may need repairing to ensure it is structurally sound enough

to be used or relined using a choice of chimney lining systems, this will be ascertained following a survey of the chimney by a competent

person”

For more information visithttp://www.hetas.co.uk/find-chimney-sweep/

Why do I need a HETAS Certificate?

A HETAS Certificate issued following installation by a competent Installer indicates that the Installation has been completed to required regulations and standards.

Notification of an Installation is a mandatory requirement of the Building Regulations, failure to notify :-• May invalidate house insurance• May encumber buying or selling a property • Appliance may not be installed to Building Regulations, Manufacturers

Instructions and associated Standards

Can I install the stove myself ?

HETAS strongly recommend the installation is undertaken by a competent HETAS registered installer to ensure the installation is safe

and complies with relevant Building Regulations and Standards

Find an Approved installer on the HETAS Websitehttp://www.hetas.co.uk/find-installer/

Are you aware ofhttp://www.hetas.co.uk/the-consumer-rights-act/

How do I operate and maintain my stove?

Always follow manufacturers advice on stove operation & maintenance, ensure chimneys and flue ways are swept regularly; dependant on use using a competent person, regularly check CO monitors.

See HETAS Advice Leaflet 2 Operating & Maintaining Your Stove

What else is required?Ventilation –ventilation is always required for the room in which the stove is installed, details of which will be ascertained upon survey and installed discreetly in keeping with the building fabric.

Air Vents All appliances need combustion air in order for the fuel to burn properly

Appliances less than 5kw may not require an air vent to be installed – any appliance over 5kw will require an air vent in order to comply with building regulations

Appliances using manufacturers direct air kits may also requireadditional air

What else is required?

Hearth & Surround – a variety of these are available, compliance of existing arrangements will be ascertained upon survey of the proposed installation

What else is required?Carbon Monoxide – A discreet Carbon Monoxide Detector must always

be fitted in the same room as the appliance for safety purposes

Recap

Is a CO monitor necessary?

Why should a competent person carry out the installation?

Why should the installation be notified to Local Building Control?

Section 3

Appliance Selection

Types of appliance available

Types of Appliance Please refer to Official Guide to HETAS Products &

ServicesThe Open Fire

Pellet Stoves

Freestanding

Open Fronted Inset Fire With Or Without Convection

Closed Inset Fire (With Or Without Convection)

Wood Burning or Multi-fuel Stove (Continuous/intermittent)

Dry Stove With Boiler

Solid Fuel Cookers Solid Fuel Boiler

Biomass Appliances

Slow heat release stoves (Heat Store)

Appliance Selection General Considerations

Customers stated preferences / requirements/expectations of useRegulatory requirementsRoom heat requirementsSurvey by a competent personManufacturers requirementsAge of house and construction typeLocation of propertyPlanning Permission UK Smoke Control areasExisting chimney arrangementExisting heating provision• HTU02C page 26

Calculating Heat Demand

Calculating Heat RequirementsFactors to consider regarding heat demand

The lifestyle of the occupiers for example whether they prefer additional ventilation if windows are usually left open?

Doubling the air changes within a room with a solid fuel appliance require approximately an extra heat requirement of:0.65kw for a 28m3 room1.3kw for a 57m3 room2kw for a 85m3 room

Exposed locations - Add an additional 10% for these situations

Temperature requirements, i.e. the elderly may require warmer conditions

Factors that may require further heat demand

High Ceilings will limit heat transfer to adjacent roomsInstallation location - A recessed location may reduce the output below the manufacturers claims.Refuelling periodsManufacturers Instructions should always be observed to see if any guidance is given for specific appliances

These further factors should be added as a percentage or a value to the calculated size from the table as a result of the discussion with the client and their heating

requirements

Calculating Heat Requirements

Example 1A poorly insulated 1950’s property with single glazing.

The elderly occupants are used to burning solid fuel, have adequate combustion ventilation for the appliance but tend to keep all doors and windows shut and would like a warmer room than normal.

The living room measures 6 metres x 4.5 metres x 2.5 metres high = _______

Output = 67.5 x ________ = 6.8kw

Appliance models in the range of _________could be advised.

Calculating Heat Requirements

Example 2A 1990 property with double glazing but no further efficiency improvements. The occupants tend to leave all of the internal doors open, at least one window is left open, and the property is in a rural location.

The living room measures 5 metres x 4.5 metres x 2.8 metres high = ________Output = 63 x_________= _________

An extra allowance for frequent air change should be considered of 2kw and + 10% for exposed location. Therefore 3.5 + 2 = _________ + 10% = 6kw

Appliance models in the range of ___________ could be suggested

Group exerciseHeat Requirements ‘Dry Appliance’

Refer to HTU02 section 5 pages 30 and 31The Official Guide to HETAS Approved Products & ServicesExamples 1 & 2Worksheet 1 Using the information provided please calculate the size of the appliance required.

• Using the Official Guide to HETAS Products & Services please advise of a suitable appliance

Heat Requirements Central Heating (wet stoves) : Appendix 2 Boiler

Stoves“Where it is apparent that a stove is to be used to run radiators HETAS advise initial survey of the intended installation by a Competent Person

as a prelude to giving advice on specific appliance selection”.

Please refer to page 32 HTU02C

Pre Installation SurveyHETAS recommend a pre installation survey by a Competent Person, these can be found on the HETAS website http://www.hetas.co.uk/find-installer/

Confirm details of proposed installation

Suitability of chimney & Terminal Position

Ventilation requirements

Distances to combustibles

Suitability of fireplace and hearth

Compliance with appropriate Regulations and Standards

Group exercise Pre Installation Survey

Factors Affecting Selection of Appliance

Please refer to HTU02C page 26 and worksheet 2

Discuss the ‘General considerations’

Who would be the best person to provide details and advice on the scenario’s on worksheet 2

Recap

When would a wet appliance or boiler stove be required ?

What effect would an exposed location have on a proposed installation in regards to heat demand?

What effect may high ceilings have on heat?

Section 4

Fuel

FuelAppropriate fuel must be burned, when burning wood a moisture content of less than 25% is advised some manufacturers advise less than 20%

Identify these Fuel Types

Logs Chip Woody Briquettes

PelletsNatural Smokeless Fuels

(Anthracite)

Manufactured Smokeless Fuels (domestic coke, pressed coal

briquettes)

Fuel Quality Standards

Fuel quality schemes such as Woodsure Plus monitor the quality and type of fuel through compliance by one uniform system based on the EN 14961-2 or BS EN ISO 17225; parts 1 – 6 (Refer to part 3 of The Official Guide to HETAS Services & Products)Wood logs ChipsPelletshttp://www.hetas.co.uk/find-fuels/

Logs

• Typically 200 – 300mm long and 50 – 150mm in diameter.

• Certain types of timber are considered to be better than others in terms of ease of ignition, heat output, same length etc.

• Types of wood/species• Seasoning• Moisture Content/Calorific Value

Log StorageBurning fuel with a high moisture content will result in a fire that smoulders and creates lots of tars and smoke which will damage the appliance and flue

Ensure fuel is well seasoned and dry – check fuel with a moisture meter

Pellets

Pellet StorageWhilst pellets are available in bags for smaller domestic appliances, the customer should be aware that it is often more cost effective to have them delivered in bulk

Customers should be advised that the storage area where bagged pellets are to be kept must be completely dry all year round as damp pellets will swell and break down rendering them unfit for use

Various options are available for pellet storage in respect of larger Biomass installations these would be considered by a competent person on a Pre Installation Survey

Factors Affecting Fuel Selection

Customer Preference

Appliance Type

Frequency of use

Storage Requirements/facilities

Location/availability of supply

Smoke Control Legislation

Smoke Control Area

In a smoke control area, a solid fuel heating appliance must be either;• An exempt appliance using only specified fuel in the appliance

instructions or see ‘exempt when burning’ on the DEFRA website (Multi-fuel stoves can also burn authorised smokeless fuels)

Or• using an authorised smokeless fuel ….. ‘Authorised fuel may be

burned on any appliance’

Source: HETAS Advice Leaflet (6)

Recap

What is the maximum recommended moisture content for wood?

What would be the effects of burning wood with high moisture content?

What is seasoned wood?

Which organisation monitors the quality and type of fuel available?

What can be used to check the fuel is seasoned and fit for use?

Where can pellets be stored?

Section 5

Guidance

Guidance - information available

HETAS Advice Leaflets

Manufacturers installation and service instructions

HETAS Website

Building Regulations & Legal Requirements (most Relevant)

Smoke Control Areas

The Official Guide to HETAS Products & Services

Approved Document J Combustion Appliances and Fuel Storage Systems

J1 - Air Supply

J2 - Discharge of Products of Combustion

J3 - Warning of Release of Carbon Monoxide

J4 - Protection of Building

J5 - Provision of information

Informing your customer

HETAS Notice Plate HETAS Certificate of Compliance

Hearth Components (refer to page 21 HTU03K)

The Constructional Hearth may be part of the structure of the building

The Superimposed Hearth which is of non-combustible material, at least 12mm thick, usually decorative and sits on the constructional hearth.

The Back Hearth which can be part of the constructional hearth, or concrete infill, contained within a fireplace recess.

Example of proximity to combustible material clearance information provided by a manufacturer

(Refer to page 24 HTU03K)

Dimensions A-E at

manufacturer’s

discretion

Building regulation requirements for the construction of brick or blockwork fireplace

recesses (page 26 HTU03K)

Methods of Installing Fireplace Surrounds Including the Suitability of Surround

Materials

Must be manufactured to meet the

requirements of BS 1251 and installed

according to BS 8303

Mechanically fixed and designed to allow for

thermal movement

Surrounds should have a minimum of four clips

or eyelets, two fixed at each side, two fixed at

the top.

Recap

Which of the requirements of Approved Document J covers ‘Provision of Information’ ?

Where would you normally find details on ‘Clearances to Combustible’s in relation to an appliance?

What are the names of the three sections of Hearth components?

Section 6

Chimney and Flues

Chimney and Flue Definitions

Chimney – a structure consisting of a wall or walls enclosing a flue or fluesFlue – a passage for conveying the products of combustion to the outside atmosphereFlue liner – the wall of the chimney that is in contact with the products of combustionFluepipe – a pipe, either single walled (bare or insulated) or double walled, which connects a combustion appliance to a flue in a chimney.

Building Regulations

There is no regulation requiring an existing chimney to be lined. However the installer of an appliance must satisfy themselves that a chimney is free from defects and suitable for its intended use

Types of Chimneys and Flues

Masonry chimney

Factory made metal system chimney

Flexible stainless steel flue liners316 / 904 grade

Types of Chimneys and FluesPre-cast flue block chimneys

Metallic – single wall connecting flue pipe

Lining and Relining of Existing Chimneys

To repair a chimney that has a defective lining

To reduce the internal diameter of a flue where it is too large for a selected appliance.

For efficient operation.

Example flexible metal liner installation that includes a pot hanger to support the liner

316 or 904

Size Requirements for Fluepipes and Flues Serving Solid Fuel Appliances p45 Unit HTU04K

Recap

What grades of flexible flue liner are available for solid fuel appliances?

Where on the installation is a single wall connecting flue pipe used?

What are three possible reasons for lining or re-lining an existing chimney?

The Advantages & Benefits

Consumer Confidence customers requesting HETAS installers

Your business searchable on the HETAS web site over 50,000 visitors per month

Promotion & Marketing tools logo, window stickers, consumer advice sheets

HETAS guide approved appliances and products helps customers find their ideal appliance

Monthly e-newsletter industry news, technical updates, changes to standards, events

Free technical help & support by phone or email from HETAS

Exclusive access to the HETAS Online shop discounted products and workwear

Dedicated HETAS Retailer-specific insurance bespoke insurance tailored to your needs

How to ApplyApply – visit www.hetas.co.uk or call 01684 278170 to request an Application pack. Complete and Return

Get Registered – once you are registered you will receive a welcome pack and your business will be listed and searchable on our website, you will benefit from the industry leading services that HETAS offers

Costs of Registration - from £100 + VAT

Requirements – must have at least one HETAS Approved Product on showroom display, and a minimum of one member of staff on duty that has a HETAS Retailer qualification

Q & A

Multiple Choice Assessment