New Oil Boiler Installation, At a Fixed Price
Upgrade to an energy-efficient oil boiler with a fixed price online in 2 minutes. Local installers, flexible finance, and no home visit required to start.
FromFinance from £33/month · No obligation · No depositNo deposit needed
Right Boiler Promise: If we quote wrong, we refund the difference
How It Works
Quick Questions to Get Your Quote
Answer a few quick questions about your home and get a fixed price in minutes. No home visit needed. No waiting for a callback.
Talk to the Brainy Boiler Advisor
Voice or text chat with our expert system that walks you through which boiler is right for your home, your hot water demand, and your budget. No pressure. No rush.
Choose with Confidence
Pick your boiler knowing why it's the right one for your home and budget,not just hoping for the best from a list of model numbers.
Installed by Award-Winning Local Team
Your boiler is fitted by our hand-picked installation partner. A family-run business with over 20 years experience serving Scotland.
Getting a New Boiler Shouldn't Be This Stressful
You know how it usually goes. You search for oil boiler replacement costs. One site wants a home visit, another only handles mains gas, and the prices are hard to compare.
Option one: the home visit.
Someone needs to "come out and take a look." You wait two weeks for an appointment. They arrive, assess your system, and recommend a boiler. But here's the challenge: when someone earns commission, it's hard to know if you're getting unbiased advice. You're left with a price you can't easily compare and questions about whether it's really the right fit.
Option two: the online quote sites.
You answer questions. They show you a grid of boiler models. Viessmann 100? Vaillant ecoTEC? Navien NCB? Which one's right for your home? They don't tell you. You pick one and hope for the best. For installation, they send whoever's available. A contractor you've never heard of.
Option three: do nothing.
Keep topping up an older oil system, hope it makes it through winter, and put off the replacement decision again.
Oil boiler customers deserve the same clarity as gas customers. You should know what fits your property, what it costs, and who is fitting it before you commit.
That's why we built Brainy Boilers.
Expert Advice Without the Agenda
We make oil boiler replacement feel straightforward. You get clear guidance before anyone starts selling you equipment.
Our expert advisor knows heating systems inside out. Property types. Hot water demand. Fuel types. Flue options. Everything a seasoned heating engineer would consider. But there's no sales target. No commission. Just honest advice about what's right for your home.
Oil systems need installers who understand rural and off-grid homes, boiler siting, flues, tanks, and practical access. We build that into the quote journey from the start.
Tell us about your property, current oil boiler, hot water demand, and where the boiler lives. We explain suitable oil boiler options in plain English. You see the trade-offs before you choose.
You can message or call. We're patient. We're thorough. And we don't care if you buy today or next month.
Talk to an expert any day or time.
Available 24/7 to answer your questions and help you choose the right boiler for your home.
Oil boiler quotes can feel opaque because many services are built for mains gas first. This page is built for oil customers from the first question.
Traditional visits can leave you waiting for a price. Generic online quote sites often exclude oil. We give you a clearer starting point and a qualified local installation route.
And because there's no salesperson to pay, no unnecessary home visit to arrange, and no commission baked into the price, the savings get passed straight to you. Better advice anda better price. That's the whole idea.
Brainy Boilers Expert
Always here to help
Installed by People You Can Trust
We don't send a random contractor to your door.
We partner with an award-winning, family-run heating business. They use their own full-time, qualified engineers. They've fitted boilers across Scotland for over 20 years. Last year alone, they installed more than 1,800.
This matters. The person in your home is experienced and accountable. They're backed by a company with a reputation to protect. Not someone from an app you'll never see again.
Full MagnaCleanse System Flush
Every installation includes a full MagnaCleanse of your heating system, and this is worth knowing about.
Most companies do a basic chemical flush. Add chemicals. Run them through. Done. That's the bare minimum. MagnaCleanse is different. It uses powerful magnetic filtration to extract iron oxide sludge and debris from your pipes and radiators. This stuff kills boilers early. It causes cold spots. It drives up energy bills.
A proper MagnaCleanse takes time and specialist equipment. Most companies skip it or charge hundreds extra. We include it on every installation. A new boiler deserves a clean system. It can mean the difference between seven years and fifteen.
Your installation also includes all paperwork and warranty registration handled for you, so you're fully covered from day one.
Everything You Need. Nothing You Don't.
Efficient Oil Boiler Matched to Your Home
A practical oil boiler recommendation based on your property, heating demand, hot water use, and installation constraints.
Impartial Expert Advice Before You Buy
Chat with our boiler advisor by message or voice. No pressure, no agenda, no commission.
Installation by Qualified Engineers
Carried out by our award-winning installation partner's own full-time team. Over 1,800 boilers fitted last year alone.
Full MagnaCleanse System Flush
Not a basic chemical rinse. Proper magnetic filtration that clears years of sludge and protects your new boiler. Included as standard.
Manufacturer Warranty Included
Complete peace of mind, backed by the boiler manufacturer.
All Paperwork & Warranty Registration
We handle everything so you're covered from day one.
Aftercare & Annual Service Reminders
We don't forget about you after the install. You'll be reminded when your annual service is due.
Flexible Finance Options
Spread the cost with manageable monthly payments. Subject to status.
Spread the Cost with Finance Options
From £8/week
Representative Example
Finance subject to status. Terms and conditions apply. You must be 18 or over and a UK resident.
Don't Just Take Our Word for It
Reviews from our award-winning installation partner
I contacted them on the Monday morning. By midday the boss was here pricing a full combi installation at a very competitive price. The price was agreed that afternoon, and by 9:30 the next morning a team of 3 were here. They didn't stop until the job was finished to top-end standards. 100% happy.
I am 71 years old and my boiler was condemned leaving me with no heating in the freezing weather. They came out the same day and fitted my new boiler on Wednesday. What a quick, efficient service. The guys were fantastic, friendly and efficient. I would highly recommend!
I got a new boiler installed. I liked the way there were no hidden payments. The quote included everything needed. The installers were friendly and tidy. There was a wee blip after installation and the plumber was back the same day. No fuss. Very professional.
This is one and only place you need to call. They scheduled installation within a day and delivered. Special thanks to the installation crew that persevered in the cold and solved the issues.
Got Questions? We've Got Answers.
Ready to Price Your Oil Boiler Replacement?
Get an instant fixed-price oil boiler quote in minutes. Flexible finance available. No obligation and no home visit required to start.
Free · Takes 2 minutes · Expert advice included