Heat Pump Advice & Guides

Expert articles from our qualified heat pump engineers. Everything you need to know about servicing, repairs, installation, and getting the most from your system.

guides

How Do Heat Pumps Work? A Complete UK Guide

Heat pumps extract heat from outside air and move it inside your home — even when it's cold. Learn how the technology works and why it's so efficient.

7 min read

Air Source vs Ground Source Heat Pump: Which Is Better for UK Homes?

Both types of heat pump can heat your home efficiently, but they differ significantly in cost, installation complexity, and performance.

8 min read

Heat Pump vs Gas Boiler: The Complete UK Comparison 2025

Gas boilers are being phased out in UK new builds. But is a heat pump the right replacement for your home? We compare costs, efficiency, and practicalities.

9 min read

10 Tips to Improve Your Heat Pump Efficiency

Small changes to how you use your heat pump can significantly improve efficiency and reduce bills. Here are 10 proven tips.

6 min read

Heat Pump Maintenance Checklist: What Homeowners Can Do

Homeowners can do several maintenance tasks themselves to keep their heat pump running well between professional services.

5 min read

Heat Pump CoP Explained: Understanding Efficiency Ratings

CoP (Coefficient of Performance) is the key metric for heat pump efficiency. Here's what it means, how to read it, and what to look for when buying.

6 min read

Underfloor Heating with a Heat Pump: The Perfect Combination

Underfloor heating and heat pumps are the ideal pairing — both thrive at low flow temperatures. Here's everything you need to know.

7 min read

Do Heat Pumps Work in Cold Weather? UK Winter Performance

Concerned that your heat pump won't cope with UK winters? Modern ASHPs work effectively at temperatures as low as -20°C. Here's what to expect.

6 min read

Heat Pump & Radiator Compatibility: Do You Need to Upgrade?

Many UK homes can keep existing radiators with a heat pump. Here's how to assess whether yours will work and what to do if not.

7 min read

Heat Pump Smart Controls: Maximising Efficiency with Technology

Smart controls can improve heat pump efficiency by 15–25%. Here's what's available and how to choose.

6 min read

Heat Pump Hot Water Cylinders: Everything You Need to Know

Most heat pump installations require a hot water cylinder. Here's how to choose the right one.

7 min read

Heat Pumps for Second Homes & Holiday Cottages

Heat pumps can work very well in second homes with the right controls setup. Here's what to consider.

6 min read

Heat Pumps in New Build Homes: What to Expect

New build homes increasingly come with heat pumps installed. Here's everything new homeowners need to know.

6 min read

Heat Pump Noise Levels: dB(A) Explained

Heat pump noise ratings can be confusing. Here's how to read dB(A) figures and what they mean in practice.

5 min read

Heat Pump vs Electric Boiler: Which Is Better?

Both heat pumps and electric boilers avoid gas but have very different efficiencies. Here's the comparison.

7 min read

costs

Heat Pump Servicing Cost UK 2025: What to Expect

Annual heat pump servicing in the UK typically costs £100–£200. Here's what's included and how to avoid being overcharged.

6 min read

Heat Pump Repair Costs UK 2025: Common Faults & Prices

Heat pump repair costs in the UK range from £150 for a minor fix to £2,000+ for a compressor replacement. Here's what common faults cost.

7 min read

Heat Pump Installation Cost UK 2025: Full Price Guide

Air source heat pump installation in the UK costs £12,000–£18,000 on average. After the £7,500 Boiler Upgrade Scheme grant, most homeowners pay £4,500–£10,500.

8 min read

Heat Pump Running Costs UK 2025: How Much Will You Pay?

A heat pump in a typical 3-bedroom UK home costs £700–£1,100/year to run. Here's how to calculate your costs and reduce your bills.

7 min read

Boiler Upgrade Scheme 2025: Everything UK Homeowners Need to Know

The Boiler Upgrade Scheme offers a £7,500 grant towards an air source heat pump. Here's everything you need to know to claim it in 2025.

8 min read

Heat Pump Grants UK 2025: All Available Funding

Multiple grants are available to help UK homeowners fund heat pump installation in 2025. Here's every scheme you could qualify for.

7 min read

Is Heat Pump Cover Worth It? Annual Plans Reviewed

Heat pump cover plans cost £15–£30/month. But do they provide good value? We break down the pros, cons, and what to look for.

6 min read

Heat Pump Finance Options UK: How to Fund Your Installation

The upfront cost of a heat pump can be significant, but multiple finance options can spread the cost. Here's every option available in the UK.

7 min read

Heat Pump Return on Investment: Payback Period Guide UK

A heat pump is a significant investment. Here's how to calculate whether it makes financial sense for your home, and how long before it pays back.

7 min read

Heat Pump vs Gas Boiler: Full Cost Comparison UK 2025

How does a heat pump compare to a gas boiler over its lifetime? We break down every cost from installation to running costs and servicing.

8 min read

Heat Pump Electricity Bills: How to Estimate & Reduce Costs

Understanding heat pump electricity consumption helps you budget accurately and identify savings opportunities.

6 min read

Heat Pump Insurance: What's Covered & What You Need

Standard home insurance rarely covers heat pump breakdowns. Here's what you need to protect your investment.

5 min read

Heat Pump Grants Scotland 2025: Full Funding Guide

Scotland has some of the most generous heat pump funding in the UK. Here's how to access it.

6 min read

repairs

Heat Pump Not Working? 10 Common Causes & Fixes

If your heat pump has stopped working, don't panic. Many faults have simple solutions. Here's how to diagnose and fix the most common problems.

8 min read

Heat Pump Making Noise? Common Sounds Explained

Heat pumps make various sounds during normal operation. But some noises indicate a developing fault. Here's how to tell the difference.

6 min read

Heat Pump Frozen Outside Unit: What to Do

A frost-covered heat pump outdoor unit is normal. But a completely frozen unit is a fault. Here's how to tell the difference and what to do.

5 min read

When to Replace Your Heat Pump: Signs It's Time for a New System

A well-maintained heat pump should last 15–20 years. But there are signs that replacement makes more sense than further repairs.

6 min read

Heat Pump Running But Not Heating? 8 Causes & Solutions

A heat pump that runs but doesn't heat is a frustrating fault. Here are 8 common causes and what to do about each one.

7 min read

Heat Pump Leaking Water: Causes & What to Do

Water around your heat pump is often normal — but sometimes it indicates a fault. Here's how to tell the difference and what to do.

5 min read

Heat Pump Compressor Problems: Signs, Causes & Repair Costs

The compressor is the heart of your heat pump. When it fails, your system stops working entirely. Here's what to look for and what repairs cost.

6 min read

Heat Pump Short Cycling: Causes, Risks & Solutions

Short cycling — where the heat pump starts and stops repeatedly — reduces efficiency and causes premature component wear. Here's why it happens.

6 min read

Heat Pump Error Codes: Common Fault Codes Explained

Error codes on your heat pump controller can look alarming. Here's what the most common codes mean and what to do.

7 min read

Heat Pump Defrost Cycle: Why It Happens & What It Looks Like

The defrost cycle is a completely normal part of heat pump operation. Here's what it looks like and when to be concerned.

5 min read

Heat Pump Losing Pressure: Causes & How to Fix It

A heat pump system that keeps losing pressure has a water leak somewhere. Here's how to diagnose it.

5 min read

Heat Pump Smells Burning: What to Do

A burning smell from your heat pump is a warning sign. Here's what it could mean and when to act urgently.

4 min read

Heat Pump Not Working in the Morning: Common Causes

Morning startup problems are common in heat pump systems. Here's why they happen and how to fix them.

5 min read

installation

Heat Pump Installation Process: Step-by-Step Guide

Installing a heat pump is a 1–2 day process. Here's exactly what happens from initial survey to the moment your new heat pump fires up.

8 min read

Best Location for an Air Source Heat Pump: Placement Guide

The location of your heat pump outdoor unit affects efficiency, noise levels, and whether planning permission is required. Here's what to consider.

6 min read

MCS Certification for Heat Pumps: Why It Matters

MCS (Microgeneration Certification Scheme) certification is essential for accessing heat pump grants and ensuring quality installation. Here's what it means.

5 min read

Heat Pump Size Calculator: How to Choose the Right kW

Choosing the correct heat pump size is critical. Too small and it won't heat your home; too large and it short-cycles. Here's how to get it right.

7 min read

Choosing a Heat Pump Installer: 10-Point Checklist

The quality of your heat pump installation is just as important as the equipment. Use this checklist to find a trustworthy MCS-accredited installer.

6 min read

Heat Pump Planning Permission UK: Do You Need It?

Most UK homeowners don't need planning permission for an ASHP. But there are exceptions. Here's what you need to know.

5 min read

Heat Pump Commissioning: What Should Happen at Installation

Commissioning is the final stage of heat pump installation. Here's what it involves and what documentation you should receive.

6 min read

Heat Pumps for Single Storey Extensions: Planning Tips

Single storey extensions can be effectively heated by your existing heat pump if designed correctly.

5 min read

Heat Pump Pipe Sizing: Getting the Flow Rates Right

Undersized pipes restrict water flow and reduce heat pump efficiency. Here's what your installer should know.

6 min read

Heat Pump Electrical Requirements: What You Need to Know

Heat pump installation has specific electrical requirements. Here's what your home needs before installation.

5 min read

advice

Heat Pump Winter Tips: Keep Your ASHP Efficient in Cold Weather

Heat pumps perform well in UK winters, but a few simple adjustments to your settings and habits can keep efficiency high throughout the cold months.

6 min read

Heat Pump Annual Service Checklist: What Should Be Done

A proper annual heat pump service covers much more than a quick look. Here's everything that should be checked, tested, and cleaned each year.

6 min read

Why Heat Pump Servicing Is So Important

Annual heat pump servicing isn't optional — it's essential for efficiency, warranty compliance, and getting the most from your investment.

5 min read

Weather Compensation for Heat Pumps: How It Works & Why It Matters

Weather compensation is the most important efficiency setting for a heat pump. Here's how it works.

6 min read

How to Choose a Heat Pump Installer in the UK

With thousands of heat pump installers in the UK, choosing the right one is crucial. Here's a step-by-step guide.

7 min read

Heat Pump Lifespan: How Long Does an ASHP Last?

A well-maintained heat pump should last 15–20 years. Here's what affects longevity.

5 min read

Heat Pump Powerflush: When & Why You Need One

Magnetite sludge in the heating system can damage your heat pump. Here's when a powerflush is needed and what it costs.

5 min read

Heat Pump Efficiency Check: Is Your System Performing?

Monitoring heat pump efficiency helps identify problems early and ensures you're getting value from your system.

5 min read

Heat Pump Summer Maintenance Guide

Summer is the ideal time for heat pump maintenance when you're not relying on it for heating.

5 min read

Best Heat Pump Settings When You Go on Holiday

The right holiday settings protect your home and save energy without damaging your heat pump.

4 min read

Full Annual Heat Pump Service Checklist 2025

Use this checklist to ensure your annual heat pump service covers everything it should.

6 min read

brands

Mitsubishi Ecodan Heat Pump Review 2025

The Mitsubishi Ecodan is one of the UK's most popular air source heat pumps. Here's our detailed review of efficiency, reliability, and value.

7 min read

Daikin Altherma Heat Pump Review 2025

The Daikin Altherma is a premium heat pump range popular with UK installers. We review its efficiency, features, and suitability for British homes.

7 min read

Vaillant aroTHERM Plus Heat Pump Review 2025

Vaillant's aroTHERM plus is a popular choice for UK installers transitioning customers from Vaillant boilers. Here's our full review.

6 min read

Worcester Bosch Heat Pump Review 2025

Worcester Bosch is the UK's most trusted boiler brand. Can their Greenstar air source heat pump match that reputation? We investigate.

6 min read

Best Heat Pump Brands in the UK 2025: Ranked & Reviewed

With dozens of heat pump brands available in the UK, choosing can be overwhelming. Here's our independent ranking of the best brands in 2025.

9 min read

Samsung EHS Heat Pump Review 2025

Samsung's EHS heat pump range offers strong performance at competitive pricing. Here's our full review.

6 min read

LG Therma V Heat Pump Review 2025

LG's Therma V range offers compact outdoor units ideal for properties with limited space.

6 min read

Nibe Heat Pump Review 2025: The Premium Swedish Choice

Nibe is the premium choice in the UK heat pump market. Is the higher price justified? Our full review.

6 min read

Grant Aerona Heat Pump Review 2025

Grant is a UK-focused manufacturer with heat pumps designed for the British climate. Our review.

5 min read

Panasonic Aquarea Heat Pump Review 2025

The Panasonic Aquarea is an established heat pump range with strong efficiency and a growing UK installer network.

6 min read

Viessmann Vitocal Heat Pump Review 2025

Viessmann's Vitocal heat pump range brings German engineering precision to the UK market.

6 min read

Heat Pump Brands Compared: The Full 2025 UK Comparison Table

A comprehensive side-by-side comparison of all major heat pump brands available in the UK.

8 min read

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