How APN Boilers Works

Tell us what you need and APN Boilers will help connect you with suitable heating professionals covering your area and the type of work required.

APN Boilers helps homeowners find experienced boiler and heating professionals for new boiler installation, boiler replacement, servicing, repairs and wider central-heating work.

Rather than expecting homeowners to search through dozens of listings, compare unfamiliar businesses and work out which installer is suitable, APN provides a clearer route from the initial enquiry to a properly considered quotation.

The process begins with the homeowner explaining:

What type of work is required.
Where the property is located.
What boiler or heating system is currently installed.
Whether the boiler is working.
Whether the boiler needs replacing, repairing or moving.
Whether changes are planned to the wider heating system.
How quickly the work is required.

APN can then review the enquiry and identify suitable installers or heating professionals who cover the area and provide the relevant service.

The homeowner remains in control throughout the process. They can discuss the project, compare the proposed solution and decide whether to accept the installer’s quotation.

What Is APN Boilers?

APN Boilers is part of APN Home and the wider Architectural Partner Network.

APN Home Limited operates APN Boilers as a homeowner-facing boiler and heating service supported by the APN network.

The purpose of the network is to bring together homeowners who need work completed with suitable professionals and businesses that have the skills, experience and geographical coverage required.

APN Boilers covers services including:

New boiler installation.
Boiler replacement.
Combi-boiler installation.
System-boiler installation.
Regular and heat-only boilers.
Gas boilers.
Oil boilers.
LPG boilers.
Electric boilers.
Boiler servicing.
Boiler repairs.
Emergency boiler repairs.
Central-heating installation.
Boiler relocation.
Radiator replacement.
Heating controls.
Smart thermostats.
Hot-water cylinders.
Heat pumps and renewable-heating systems.

The network is designed to support homeowners across the UK, rather than operating only within one town or region.

Step One: Tell APN What You Need

The first stage is to provide some basic information about the property and the work required.

The more useful information supplied at the beginning, the easier it is to identify a suitable installer.

Homeowners may be asked to provide:

Name and contact details.
Property postcode.
Type of property.
Number of bedrooms.
Number of bathrooms.
Existing boiler type.
Approximate age of the boiler.
Current boiler location.
Whether the boiler is working.
Details of any fault code.
Whether the boiler is to remain in the same position.
Whether a hot-water cylinder or storage tanks are present.
Whether the homeowner is considering a combi conversion.
Preferred timescale.
Photographs where appropriate.

For repairs, it is useful to include:

Boiler make and model.
Fault code.
Description of the symptoms.
Whether heating, hot water or both have stopped.
Whether the boiler is leaking.
Whether the system pressure has fallen.
Whether another engineer has already attended.

For replacement enquiries, it helps to explain whether the homeowner wants:

A direct boiler replacement.
A different type of boiler.
The boiler moved.
Improved hot-water performance.
New controls.
Additional radiators.
A redesigned heating system.
Tanks or cylinders removed.

This information helps prevent unsuitable or incomplete quotations.

Step Two: APN Reviews the Enquiry

The APN process is not intended to be a simple automatic transfer of every enquiry to every installer.

The initial information should be reviewed so that the work can be matched with appropriate heating professionals.

The review may consider:

The location of the property.
The fuel type.
Whether the work is domestic or commercial.
Whether installation, servicing or repairs are required.
Whether the project involves gas, oil, LPG, electricity or renewable heating.
The complexity of the heating system.
Whether specialist knowledge is required.
The urgency of the enquiry.
Installer availability and geographical coverage.

A straightforward combi-boiler replacement may require a different installer from a large system-boiler project, an oil-heating installation or a property requiring a heat pump.

The aim is to create a more relevant introduction rather than simply providing a long and unfiltered list of businesses.

Step Three: Suitable Installers Are Identified

APN Boilers searches its network and installer information to identify professionals who may be suitable for the enquiry.

This can include installers who:

Work within the property’s postcode area.
Provide the requested boiler or heating service.
Have experience with the relevant fuel type.
Install the type of system being considered.
Have suitable registration and accreditation.
Can undertake the work within the required timescale.
Are willing to discuss and quote for the project.

Coverage may vary by town, fuel type and service.

A company specialising in gas-boiler installation may not undertake oil work. A repair engineer may not install complete heating systems. A heat-pump installer may require different design information from a conventional boiler installer.

Matching the work correctly is therefore important.

Step Four: The Installer Contacts the Homeowner

Once a suitable introduction has been made, the installer may contact the homeowner to discuss the work.

This initial conversation may cover:

The existing boiler.
The reason for replacement.
The property size.
Hot-water requirements.
Existing radiators and controls.
Water pressure and flow.
Proposed boiler location.
Access to the property.
Parking and working arrangements.
The likely installation timescale.
Whether a survey is required.
Whether photographs or videos would help.

Some straightforward replacements may be assessed initially through photographs and a video call.

More complicated work may require a site visit before a firm quotation can be prepared.

A site survey is particularly important where:

The boiler is being relocated.
The fuel type is changing.
A conventional system is being converted to a combi boiler.
A new hot-water cylinder is required.
Several bathrooms must be supplied.
The gas pipe may need upgrading.
The flue route is complicated.
The existing heating system is old.
New radiators or pipework are required.
The work forms part of an extension or renovation.

Step Five: The Heating System Is Assessed

A professional boiler quotation should be based on more than the make and model of the existing appliance.

The installer should consider the whole heating and hot-water system.

This may include checking:

Property heat demand.
Number and size of radiators.
Existing flow and return pipework.
Gas-supply capacity.
Incoming mains-water pressure.
Incoming water flow rate.
Number of bathrooms.
Simultaneous hot-water demand.
Existing hot-water cylinder.
Loft storage tanks.
Boiler position.
Flue route.
Condensate drainage.
Electrical supply.
Heating controls.
System contamination.
Service and maintenance access.

This is particularly important when replacing an older conventional heating system.

A homeowner may want a combi boiler so that an airing-cupboard cylinder and loft tanks can be removed. That can be a suitable solution, but only where the incoming mains-water supply can provide the required performance.

Larger properties with several bathrooms may be better served by a system boiler and an appropriately sized hot-water cylinder.

The installer should explain these options before recommending a boiler.

Step Six: The Installer Prepares a Quotation

The installer is responsible for preparing their own quotation and proposed scope of work.

A good quotation should clearly identify:

Boiler manufacturer.
Boiler model.
Boiler output.
Boiler type.
Proposed boiler position.
Flue arrangement.
Heating controls.
Magnetic filter.
System-cleaning method.
Corrosion inhibitor.
Gas-pipe alterations.
Condensate arrangements.
Electrical work.
Radiator or valve work.
Removal of existing equipment.
Disposal of the old boiler.
Making good.
Warranty period.
Workmanship guarantee.
Installation duration.
Total price.
VAT position.
Payment terms.

Where several installers provide quotations, the homeowner should compare the full specification rather than looking only at the total price.

One quotation may include:

A better control system.
A longer manufacturer warranty.
Gas-pipe upgrading.
A magnetic filter.
System flushing.
New radiator valves.
Removal of tanks and cylinders.
Making good.

Another quotation may exclude these items and appear cheaper.

APN encourages homeowners to understand what is being provided before committing to the work.

Step Seven: The Homeowner Chooses Whether to Proceed

The homeowner is not obliged to accept a quotation merely because APN has introduced an installer.

They should consider:

Whether the proposed boiler is suitable.
Whether the quotation is clear.
Whether the installer has explained the system properly.
Whether the price is competitive.
Whether the installation timescale is acceptable.
Whether warranties and aftercare are included.
Whether the installer’s registration has been checked.
Whether previous reviews and experience are satisfactory.
Whether the payment terms are reasonable.

The installation agreement is made between the homeowner and the installer providing the quotation.

The installer remains responsible for:

Their quotation.
The agreed scope of work.
The installation.
Their employees and subcontractors.
Regulatory compliance.
Commissioning.
Documentation.
Warranty registration.
Workmanship.
Aftercare.

The homeowner should retain a copy of the accepted quotation and any agreed changes.

Step Eight: The Boiler or Heating Work Is Completed

On the agreed installation date, the installer should prepare and protect the working area before removing or altering the existing equipment.

Depending on the project, the work may include:

Isolating gas, water and electricity.
Draining the heating system.
Removing the old boiler.
Removing tanks or cylinders.
Altering pipework.
Upgrading the gas supply.
Installing the new boiler.
Installing the flue.
Installing condensate drainage.
Fitting heating controls.
Cleaning the heating system.
Installing a magnetic filter.
Adding corrosion inhibitor.
Refilling the heating system.
Checking for leaks.
Testing gas pressures.
Testing combustion.
Configuring controls.
Balancing radiators.
Commissioning the boiler.

A straightforward replacement in the same location can often be completed in one working day.

Conversions, relocations and full heating-system installations may take longer.

Step Nine: Commissioning and Handover

The installation is not complete merely because the boiler switches on.

The installer should properly commission the appliance and heating system.

This may involve:

Gas-tightness testing.
Gas-rate checks.
Working-pressure checks.
Combustion analysis.
Flue checks.
Condensate checks.
Safety-device testing.
Heating-system pressure checks.
Hot-water performance checks.
Control configuration.
Pump adjustment.
Radiator balancing.
Leak inspection.
Completion of the Benchmark checklist.

The installer should then explain:

How to operate the boiler.
How to use the controls.
How to set heating times and temperatures.
How to check system pressure.
How to repressurise the system where appropriate.
What to do if a fault code appears.
When the boiler must be serviced.
Who to contact if a problem develops.

Step Ten: Documentation and Warranty

The homeowner should receive the documents connected with the installation.

These may include:

Final invoice.
Boiler user manual.
Completed Benchmark commissioning checklist.
Building Regulations compliance certificate.
Manufacturer warranty confirmation.
Warranty registration number.
Installer workmanship guarantee.
Gas Safe or OFTEC details.
Control instructions.
Filter information.
Service requirements.
Details of the boiler make, model and serial number.

Some certificates may be emailed after the installer completes the relevant online registration.

The homeowner should check that both the manufacturer warranty and Building Regulations notification have been completed.

What Types of Boiler Enquiries Can APN Help With?

New Boiler Installation

APN can help homeowners seeking a completely new boiler installation.

This may include:

Boiler installation in a new heating system.
Replacement of an obsolete heating appliance.
Installation following an extension.
Installation within a renovated property.
A new boiler serving additional radiators.
Heating installation within a conversion or annex.

Boiler Replacement

A replacement may be required where the existing boiler is:

Old.
Inefficient.
Unreliable.
Frequently breaking down.
Expensive to repair.
No longer supported by the manufacturer.
Unsuitable for the property.
Providing poor heating or hot-water performance.

Combi-Boiler Conversion

APN can help homeowners considering the removal of:

Hot-water cylinders.
Cold-water storage tanks.
Feed-and-expansion tanks.
Redundant pipework.

The installer should check the water pressure and flow before recommending a combi system.

Boiler Relocation

Boilers may be moved from:

Kitchens.
Bedrooms.
Airing cupboards.
Bathrooms.
Utility rooms.

They may be relocated to:

Garages.
Lofts.
New utility rooms.
Purpose-built cupboards.
Extensions.
Alternative external-wall positions.

Relocation requires proper assessment of gas, water, heating, electrical, condensate and flue routes.

Boiler Servicing

Annual servicing can help:

Maintain the manufacturer warranty.
Identify developing faults.
Check combustion and flue performance.
Inspect accessible components.
Confirm safe operation.
Maintain efficiency.
Reduce the risk of unexpected breakdown.

Boiler Repairs

APN may help with:

Boiler fault codes.
No heating.
No hot water.
Low system pressure.
Leaks.
Unusual noises.
Intermittent operation.
Ignition failures.
Pump or fan faults.
Control problems.

Gas emergencies and suspected carbon-monoxide incidents should be treated as urgent safety matters and reported through the appropriate emergency channels.

Central-Heating Work

The APN network can also support:

New radiators.
Radiator replacement.
Thermostatic radiator valves.
Additional heating zones.
Smart controls.
Power flushing.
Magnetic filters.
Hot-water cylinders.
Underfloor heating.
Pipework alterations.
Full central-heating installation.

How Are APN Installers Selected?

The APN network is intended to develop around capable heating professionals and established businesses.

Relevant checks may include:

Publicly available business information.
Trading identity.
Geographical coverage.
Services offered.
Gas Safe registration where applicable.
OFTEC registration for oil work.
MCS certification for relevant renewable work.
Manufacturer accreditation.
Experience.
Insurance.
Customer feedback.
Professional presentation.
Ability to communicate clearly.
Willingness to provide written quotations.
Commitment to compliant installation and commissioning.

Registration and accreditation can change. Homeowners should still confirm the current status of the installer and the attending engineer before work begins.

Is APN the Boiler Installer?

APN Boilers operates as a network and introduction service.

The boiler or heating work is carried out by the installer or heating company appointed by the homeowner.

Unless expressly stated otherwise in writing, the installer providing the quotation is responsible for:

Surveying the property.
Recommending the system.
Pricing the work.
Carrying out the installation.
Providing appropriate registrations.
Managing employees and subcontractors.
Commissioning the system.
Providing documentation.
Handling warranty and workmanship matters.
Providing aftercare.

This distinction should be clear before the homeowner accepts a quotation.

Does APN Guarantee the Lowest Price?

No responsible heating network should promise that every quotation will be the cheapest available.

A boiler quotation can vary because installers may propose:

Different boiler models.
Different controls.
Different warranty periods.
Different levels of system cleaning.
Different gas-pipe alterations.
Different filters.
Different making-good allowances.
Different aftercare packages.

The cheapest quotation may not offer the best long-term value.

APN’s purpose is to help homeowners reach suitable installers and obtain a properly considered proposal.

Does APN Charge the Homeowner to Make an Enquiry?

Homeowners can submit an initial enquiry through APN Boilers without being committed to proceed with an installation.

Any survey fees, diagnostic charges, call-out charges or quotation conditions should be explained by the installer before an appointment is confirmed.

For example, an installer may charge for:

Emergency attendance.
Fault diagnosis.
Detailed commercial surveys.
Heat-loss calculations.
Specialist system design.
Travel outside the normal service area.

The homeowner should confirm this before arranging the visit.

Why Use APN Boilers?

The main benefit is a clearer route to suitable heating professionals.

Homeowners may benefit from:

A nationwide network approach.
Local installer matching.
Support across several boiler and fuel types.
Access to installers offering installation, servicing and repairs.
Better-defined project information.
Reduced time spent searching.
A focus on proper system assessment.
The ability to compare proposals.
Installer and accreditation information.
Support for both straightforward and complex heating projects.

APN Boilers is backed by more than 40 years of experience within residential property, design, construction and project-related services.

That wider experience is important because boiler work is often connected with:

Home extensions.
Loft conversions.
Kitchen refurbishments.
Utility-room construction.
Garage conversions.
Internal remodelling.
Bathroom projects.
Full property renovations.

Boiler position, flue routes, pipework and controls should be considered as part of the home rather than as isolated technical details.

Information Homeowners Should Provide

To help APN and the installer understand the project, provide:

Full postcode.
Property type.
Number of bedrooms and bathrooms.
Existing boiler make and model.
Existing boiler type.
Boiler age.
Current boiler location.
Proposed location, where different.
Details of cylinders or tanks.
Whether the boiler is currently working.
Any fault code.
Photographs of the boiler.
Photographs of nearby pipework.
Photographs of the proposed new position.
Preferred timescale.
Any planned extension or renovation.

Clear information can make the first discussion more useful and reduce delays.

Questions to Ask the Installer

Before proceeding, ask:

Are you Gas Safe registered for this work?
Who will attend the installation?
What boiler are you recommending?
Why is that boiler suitable?
How has the required output been calculated?
Have you checked the mains-water flow?
Is the gas pipe large enough?
Will the existing system be cleaned?
Is a magnetic filter included?
What controls are included?
What warranty will apply?
Who will register the warranty?
Will you complete the Benchmark checklist?
Will the installation be notified under the Building Regulations?
What workmanship guarantee is provided?
What is excluded from the quotation?
How long will the work take?
When will payment be required?

A competent installer should be able to answer these questions clearly.

How APN Works – The Simple Answer

The APN Boilers process is:

Tell APN what boiler or heating work you need.
Provide the property location and basic system information.
APN reviews the enquiry and identifies suitable installers.
An installer contacts you to discuss the project.
The installer surveys the property where required.
You receive a quotation and proposed specification.
You decide whether you wish to proceed.
The installer completes and commissions the work.
You receive the relevant warranty and compliance documents.
The boiler is serviced and maintained in accordance with the manufacturer’s requirements.

The aim is straightforward: to help homeowners find experienced heating professionals who can recommend and install the right system for the property—not simply the first boiler that fits on the wall.

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