Air source heat pump unit installed in a residential garden in the UK
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Heat Pump Not Working Properly? We'll Show You Exactly What's Wrong

Heat Pump Not Working Properly?
I’ll Show You Exactly What’s Wrong

Between us, we have over 100 years of combined experience in heating and renewable energy systems, having worked on hundreds of heat pump installations from initial design through to commissioning, optimisation and fault diagnosis.

No heating or hot water, high electricity bills, cold rooms, fault codes or conflicting installer advice. We help homeowners understand exactly what's happening with their heat pump system before they spend more money.

Planning a heat pump installation? We provide independent heat loss and design reviews, giving you confidence that the proposed system is right for your home before you commit.

Satisfaction Guarantee

Satisfaction Guarantee

Satisfaction Guarantee

Independent Technical Advice

Independent Technical Advice

Independent Technical Advice

Experience Across Hundreds of Heat Pump Installations

Experience Across Hundreds of Heat Pump Installations

Air source heat pump unit installed in a residential garden in the UK
SVG GRAPHIC

Heat Pump Not Working Properly? We'll Show You Exactly What's Wrong

Between us, we have over 100 years of combined experience in heating and renewable energy systems, having worked on hundreds of heat pump installations from initial design through to commissioning, optimisation and fault diagnosis.

No heating or hot water, high electricity bills, cold rooms, fault codes or conflicting installer advice. We help homeowners understand exactly what's happening with their heat pump system before they spend more money.

Planning a heat pump installation? We provide independent heat loss and design reviews, giving you confidence that the proposed system is right for your home before you commit.

Satisfaction Guarantee

Independent Technical Advice

Experience Across Hundreds of Heat Pump Installations

Common Heat Pump Problems We Diagnose

Most heat pump issues aren't caused by a faulty unit. They come from poor system design, incorrect setup, or controls that were never configured properly problems that should have been picked up at installation.

If your system isn't performing as it should, it's usually one of these:

  • High electricity bills

  • House not reaching temperature

  • Fault codes and alarms

  • No heating or hot water

  • Underfloor heating not working properly

  • Heat pump running constantly

  • Short cycling

  • A system that was signed off but never felt right

Two air source heat pump units mounted outside a brick house in the UK
Two air source heat pump units mounted outside a brick house in the UK

How We Support UK Homeowners

Our approach is simple: you send us your system details, photographs, and any documents you have, and we carry out a structured technical assessment.

Many heating engineers are excellent at plumbing and heating systems but may not work with heat pumps regularly. Where needed, we can work alongside your existing engineer remotely through you, helping them understand what adjustments or investigations may be required.

In many cases, the issue is simpler than people think. If the problem relates to settings, controls, system pressure, filter cleaning, or general operation, we can often guide homeowners through the process themselves. Where further work is required, we can help identify the most likely cause and explain the practical steps needed to resolve it.

We review heat loss calculations, flow temperatures, radiator sizing, system layout, control configuration, and overall system performance, giving you clear, honest answers based on real-world heat pump experience.

Our approach is simple: you send us your system details, photographs, and any documents you have, and we carry out a structured technical assessment.

Many heating engineers are excellent at plumbing and heating systems but may not work with heat pumps regularly. Where needed, we can work alongside your existing engineer remotely through you, helping them understand what adjustments or investigations may be required.

In many cases, the issue is simpler than people think. If the problem relates to settings, controls, system pressure, filter cleaning, or general operation, we can often guide homeowners through the process themselves. Where further work is required, we can help identify the most likely cause and explain the practical steps needed to resolve it.

We review heat loss calculations, flow temperatures, radiator sizing, system layout, control configuration, and overall system performance, giving you clear, honest answers based on real-world heat pump experience.

I've spent over 20 years in heating and have worked on hundreds of heat pump installations, from design reviews through to commissioning and fault diagnosis.

I've spent over 20 years in heating and have worked on hundreds of heat pump installations, from design reviews through to commissioning and fault diagnosis.

Modern residential air source heat pump installed outside a UK home beside a section explaining heat pump support services for homeowners.
Modern residential air source heat pump installed outside a UK home beside a section explaining heat pump support services for homeowners.

Our Services

Our Services

Choose the Review That Fits Your Situation

Whether your heat pump is already installed and something feels wrong, or you're about to commit to an installation and want independent reassurance first we have a review designed for exactly that situation. All services are carried out remotely, delivered as a clear written report, and priced transparently with no hidden fees

Our Services

Choose the Review That Fits Your Situation

Whether your heat pump is already installed and something feels wrong, or you're about to commit to an installation and want independent reassurance first we have a review designed for exactly that situation. All services are carried out remotely, delivered as a clear written report, and priced transparently with no hidden fees

Controller Configuration Review £50

Not sure how to use your heat pump controls, thermostats or schedules? Many homeowners are handed a system with little or no explanation of how it should be operated. Our Controller Configuration Guide provides clear instructions for your specific controller, helping you understand the main settings, heating schedules, hot water programming and day-to-day operation.

Controller Configuration Review £50

Not sure how to use your heat pump controls, thermostats or schedules? Many homeowners are handed a system with little or no explanation of how it should be operated. Our Controller Configuration Guide provides clear instructions for your specific controller, helping you understand the main settings, heating schedules, hot water programming and day-to-day operation.

Controller Configuration Review £50

Not sure how to use your heat pump controls, thermostats or schedules? Many homeowners are handed a system with little or no explanation of how it should be operated. Our Controller Configuration Guide provides clear instructions for your specific controller, helping you understand the main settings, heating schedules, hot water programming and day-to-day operation.

Controller Configuration Review £50

Not sure how to use your heat pump controls, thermostats or schedules? Many homeowners are handed a system with little or no explanation of how it should be operated. Our Controller Configuration Guide provides clear instructions for your specific controller, helping you understand the main settings, heating schedules, hot water programming and day-to-day operation.

Controller Configuration Review £50

Not sure how to use your heat pump controls, thermostats or schedules? Many homeowners are handed a system with little or no explanation of how it should be operated. Our Controller Configuration Guide provides clear instructions for your specific controller, helping you understand the main settings, heating schedules, hot water programming and day-to-day operation.

Fix my Heat Pump £295

From emergency troubleshooting to ongoing performance problems, we help homeowners understand what's wrong with their heat pump and what needs to be done to put it right.

Fix my Heat Pump £295

From emergency troubleshooting to ongoing performance problems, we help homeowners understand what's wrong with their heat pump and what needs to be done to put it right.

Fix my Heat Pump £295

From emergency troubleshooting to ongoing performance problems, we help homeowners understand what's wrong with their heat pump and what needs to be done to put it right.

Fix my Heat Pump £295

From emergency troubleshooting to ongoing performance problems, we help homeowners understand what's wrong with their heat pump and what needs to be done to put it right.

Pre-Installation Design Review £295

About to have a heat pump installed — or already have a quote or proposed design? Before any money is committed, we independently check the heat loss calculations, system sizing, radiator suitability, and overall design to make sure it's been done correctly. It's a small investment that can prevent a much more expensive problem later.

Pre-Installation Design Review £295

About to have a heat pump installed — or already have a quote or proposed design? Before any money is committed, we independently check the heat loss calculations, system sizing, radiator suitability, and overall design to make sure it's been done correctly. It's a small investment that can prevent a much more expensive problem later.

Pre-Installation Design Review £295

About to have a heat pump installed — or already have a quote or proposed design? Before any money is committed, we independently check the heat loss calculations, system sizing, radiator suitability, and overall design to make sure it's been done correctly. It's a small investment that can prevent a much more expensive problem later.

Pre-Installation Design Review £295

About to have a heat pump installed — or already have a quote or proposed design? Before any money is committed, we independently check the heat loss calculations, system sizing, radiator suitability, and overall design to make sure it's been done correctly. It's a small investment that can prevent a much more expensive problem later.

Why UK Heat Pump Help Is Different

When your heat pump isn't performing, your installer often has a commercial interest in the answer. They may say the system is fine, blame the house, or suggest expensive upgrades. We have no interest in any of that.

We don't install systems. We don't sell equipment. We don't subcontract to installers. We review your system and give you an honest technical assessment so you know exactly where you stand, and what to ask for.

Air source heat pump installed outside a modern residential property with paved driveway and landscaped entrance.
Air source heat pump installed outside a modern residential property with paved driveway and landscaped entrance.

Case Studies

Case Studies

Real Heat Pump Problems (and What Was Actually Causing Them)

These are real cases from UK homeowners who asked us to take an independent look at their systems. The technical detail is genuine — from incorrect heat loss calculations and zoning design faults to wiring errors and cylinder probe issues. If your heat pump is behaving in a similar way, there's a good chance we can help identify why.

Case Studies

Real Heat Pump Problems (and What Was Actually Causing Them)

These are real cases from UK homeowners who asked us to take an independent look at their systems. The technical detail is genuine — from incorrect heat loss calculations and zoning design faults to wiring errors and cylinder probe issues. If your heat pump is behaving in a similar way, there's a good chance we can help identify why.

Article

Article

Practical Advice for Heat Pump Performance

Clear, expert guidance to help you understand, troubleshoot, and improve your heat pump system — without unnecessary complexity.

Article

Practical Advice for Heat Pump Performance

Clear, expert guidance to help you understand, troubleshoot, and improve your heat pump system — without unnecessary complexity.

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Contact Us

Not Sure If We Can Help?

Not Sure If We Can Help?

Not Sure If We Can Help?

Not Sure If We Can Help?

Not Sure If We Can Help?

If you're unsure whether your heat pump problem can be diagnosed remotely, send us a short description of the issue and we’ll let you know if a technical review is worthwhile. No obligation.

If you're unsure whether your heat pump problem can be diagnosed remotely, send us a short description of the issue and we’ll let you know if a technical review is worthwhile. No obligation.

If you're unsure whether your heat pump problem can be diagnosed remotely, send us a short description of the issue and we’ll let you know if a technical review is worthwhile. No obligation.

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