✓ AR Heating & Gas. Servicing the North East for over 16 years.

Boiler Guides & Advice

Practical, no nonsense advice from our Gas Safe engineers. Error codes explained, common faults diagnosed, buying guides, and tips to keep your boiler running and your energy bills down. Written by the people who actually fix them.

0% Boiler Finance in the North East with Ideal4Finance Finance & Grants
October 4, 2026
How 0% boiler finance works with AR Heating and Gas and Ideal4Finance, with real monthly figures on a fixed price boi...
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What Happens on the Day Your New Boiler Is Fitted Buying a New Boiler
October 4, 2026
From dust sheets in the morning to the Benchmark checklist at the end, here is what a boiler installation day actuall...
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Energy Price Cap Rises From 1 October 2026: What It Means for Your Heating Heating Advice
October 4, 2026
Ofgem's cap rises 4% from 1 October 2026 and gas bills by around 8%. Here are the new rates and the practical things ...
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Gas Safety Week 2026: Take No Chances With Your Boiler Gas Safety
October 4, 2026
Gas Safety Week 2026 asked everyone to take no chances. Here is the advice from Gas Safe Register, how to check an ID...
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Paying for a new boiler monthly, how it actually works Guides
September 17, 2026
What to ask before you agree to pay for a boiler in instalments, and why the price should always come before the mont...
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Hard Water in Sunderland: Can Limescale Affect Your Boiler? Boiler Problems
September 14, 2026
Water hardness can vary by postcode. Learn how limescale differs from heating-system sludge, the symptoms to watch fo...
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Nine Reasons Boilers Fail in Winter in the North East Boiler Problems
September 13, 2026
Most people do not think about the boiler until it stops. Here are nine common winter problems, warning signs to look...
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Microbore Pipework and Why Washington Boilers Block Up Boiler Problems
September 12, 2026
Whole streets in Washington were plumbed the same way in the same decade. That tells you a lot before anyone lifts a ...
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Boilers in Tyneside Flats: What You Can and Cannot Do New Boilers
September 12, 2026
The Tyneside flat is a Newcastle invention and it decides where your boiler is allowed to live.
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What We Have Been Called Out To Across the North East About Us
September 11, 2026
A straight account of the work coming in across the region, and what people said about it in their own words.
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Boiler Emergency Over Christmas: What to Do Boiler Problems
August 19, 2026
Boiler trouble over Christmas is the worst timing there is. What counts as a real emergency, what you can safely sort...
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Boiler Will Not Fire Up in Cold Weather? Four Usual Causes Boiler Problems
August 19, 2026
Boiler trying to light and failing on the first cold morning? Four usual causes, from a frozen condensate pipe to a p...
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Landlord Winter Checklist: Gas Safety Before the Cold Hits Gas Safety
August 19, 2026
Gas safety certificates, CO alarms, condensate lagging and the rest. The autumn checklist we work through with landlo...
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Boiler Service Before Winter: Why September Beats December Boiler Servicing
August 19, 2026
Why servicing your boiler before the first proper cold spell gives you more flexibility, plus a free seven-point wint...
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Why Boilers Break Down in the First Cold Snap Heating Advice
August 19, 2026
Why the first cold spell exposes hidden heating problems, what homeowners can safely check and how to avoid getting c...
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No Heating in Cold Weather? What to Check First Boiler Problems
August 19, 2026
Woken up to a cold house? Work through these checks before you call anyone out, from thermostat batteries and pressur...
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Black Water When You Bleed a Radiator? Here's What It Means Power Flushing
July 17, 2026
Black or brown water coming out when you bleed a radiator is corrosion and sludge inside your system. Here is what it...
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Boiler Making Banging or Kettling Noises? Here's What It Means Power Flushing
July 17, 2026
What causes boiler kettling, banging and rumbling noises? Learn the common causes, what you can safely check and when...
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Radiator Cold at the Bottom but Hot at the Top? Here's Why Power Flushing
July 17, 2026
A radiator that is hot at the top but cold along the bottom is one of the clearest signs of sludge in your heating sy...
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Off Grid Heating in Rural County Durham Heating Advice
June 6, 2026
Many rural County Durham and Northumberland homes are off the mains gas grid. Here is a straight guide to off grid he...
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What Size Boiler Do I Need? A Simple Guide Buying a New Boiler
June 5, 2026
Too small and you run out of hot water, too big wastes gas. Here is how to work out what size boiler you need by home...
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What Is Included in a Boiler Service? Boiler Servicing
June 3, 2026
People book a service without knowing what they are paying for. Here is exactly what is included in a boiler service ...
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Boiler Error Codes Explained: Quick Guide Error Codes
May 27, 2026
A modern boiler flashes a code rather than just stopping. Here is how to read common boiler error codes and what each...
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Get Your Boiler Ready for Winter in the North East Heating Advice
May 20, 2026
North East winters are hard on boilers and breakdowns land on the coldest nights. Here is how to get your boiler read...
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Moving Home? Five Boiler Checks Before Winter Boiler Servicing
May 13, 2026
Moving into a new North East home is busy enough. A few quick boiler checks now save you a cold and costly surprise l...
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Find a Gas Safe Engineer in County Durham Heating Advice
May 6, 2026
A good Gas Safe engineer is clear, tidy and honest. Here is how to find one you can rely on across County Durham and ...
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Boiler Emergency? What to Do First Boiler Problems
April 29, 2026
A boiler emergency is stressful. Knowing what to do in the first few minutes keeps your family safe and often stops a...
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Boiler Grants in the North East: 2026 Guide Finance & Grants
April 22, 2026
A current 2026 guide to boiler and home-heating support in the North East, including ECO4 and the Warm Homes: Local G...
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How to Reset Your Boiler: A Simple Step by Step Guide Boiler Problems
April 14, 2026
A simple guide to resetting your boiler, what the reset button does, and when you should call an engineer instead.
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How Much Does a Boiler Service Cost in 2026? Boiler Servicing
April 13, 2026
What a boiler service costs in 2026, what a proper service should include and where AR Heating publishes local servic...
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Boiler Pressure Keeps Dropping? Here Is What to Check Boiler Problems
April 12, 2026
If your boiler pressure keeps dropping, here are the four most common causes and how to fix them.
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No Hot Water? 6 Things to Check Before Calling an Engineer Boiler Problems
April 10, 2026
No hot water? Six quick checks to try before calling an engineer, from boiler pressure to frozen pipes.
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How Much Does a New Boiler Cost in 2026? Complete Price Guide Boilers
April 10, 2026
What does a new boiler cost in 2026? See what changes the installed price, what to compare in a quote and when repair...
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Combi vs System Boiler: Which Is Right for Your Home? Buying a New Boiler
April 9, 2026
Combi vs system boiler explained: which type suits your home, when to choose each, and whether you can switch.
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Can I Get a New Boiler on Finance? Your Options Explained Finance & Grants
April 7, 2026
Your options for getting a new boiler on finance, from 0% interest free over 12 or 24 months to longer terms, plus th...
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5 Signs Your Boiler Needs Replacing Buying a New Boiler
April 7, 2026
Five warning signs that your boiler needs replacing from rising energy bills to frequent breakdowns.
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Frozen Condensate Pipe: How to Fix It and Stop It Happening Again Boiler Problems
April 6, 2026
How to thaw a frozen condensate pipe, what error codes to look for, and how to stop it happening again.
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How to Bleed a Radiator: A 5 Minute Fix for Cold Spots Power Flushing
April 5, 2026
How to bleed a radiator in 5 minutes. Simple step by step guide plus what to do if bleeding does not fix the problem.
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Is a Leaking Boiler Dangerous? What You Should Do Boiler Problems
April 4, 2026
Is a leaking boiler dangerous? What to do if your boiler is dripping water, common causes, and when to call an engineer.
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Worcester Bosch vs Vaillant: Which Boiler Should You Choose? Buying a New Boiler
April 3, 2026
A side-by-side comparison of Worcester Bosch and Vaillant boilers covering reliability, warranty, price, and efficiency.
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Vaillant F28 Error Code: What It Means and How to Fix It Error Codes
April 2, 2026
What the Vaillant F28 error code means, the four most common causes, and how to fix it.
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Baxi E133 Error Code: Why Your Boiler Will Not Ignite Error Codes
April 1, 2026
Baxi E133 error code: what causes ignition lockout and how to fix it step by step.
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Worcester Bosch EA Error Code: Causes and Fixes Error Codes
March 31, 2026
Worcester Bosch EA error code explained: what causes ignition failure and how to fix it.
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What Temperature Should I Set My Boiler To? Heating Advice
March 30, 2026
How to set your boiler temperature for maximum efficiency and comfort, and the one degree change that saves £80 a year.
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Should I Leave My Heating on All Day? The Truth Heating Advice
March 29, 2026
Should you leave your heating on all day? No, and here is why a timer is more efficient.
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Boiler Brands
March 28, 2026
An engineer-led comparison of Worcester Bosch, Vaillant, Baxi and Ideal boilers, including what matters when choosing...
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Boiler Warranty Explained: What Is Covered and What Voids It Buying a New Boiler
March 27, 2026
What your boiler warranty covers, how long it lasts, and the common mistake that voids it.
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What Is a Landlord Gas Safety Certificate and Do I Need One? Gas Safety
March 26, 2026
What landlords need to know about Gas Safety Certificates, legal requirements, penalties, and how to stay compliant.
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What Is a Powerflush and Does Your Heating System Need One? Power Flushing
March 25, 2026
What a powerflush is, whether your heating system needs one, and how to avoid being sold one unnecessarily.
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ECO4 Boiler Grant: Am I Eligible in 2026? Finance & Grants
March 24, 2026
ECO4 runs to 31 December 2026. Here is who the scheme is designed to help, why a free boiler is not guaranteed, and h...
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Boiler Servicing: Why Annual Checks Save You Money Heating Advice
March 21, 2026
Why annual boiler servicing is essential for safety, warranty protection, and saving money on repairs and energy bills.
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