The only boiler specialists in Chesterfield offering a Free Smart Thermostat, up to 12-year manufacturer warranty, and a fixed price. 100% Satisfaction Guaranteed
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Learn why Aptus is Chesterfield's most trusted boiler company
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Learn about our 25+ years of experience
Local family business
Fully certified
On all installations
Customers
Get your new boiler installed in 3 simple steps
Call us or fill in the form. We'll call you back within 2 hours with a fixed price.
Choose a date that suits you. We can often install next-day if you order before 3pm.
Our Gas Safe engineers install your boiler, test everything, and leave your home tidy.
Enjoy your new boiler with up to 12-year warranty and free support anytime.
Don't wait for a breakdown when you need heat most. Old boilers are unreliable, inefficient, and can be dangerous.
Modern boilers are highly efficient, reliable, and safe. Plus, you could save hundreds on your energy bills.
We're not happy until you're happy. Here's our promise.
Every boiler comes with up to 12-year manufacturer warranty, fully registered on your behalf.
Every engineer is fully Gas Safe Registered. We never use subcontractors.
What we quote is what you pay. No hidden costs, no surprise charges.
Order before 3pm and we can install your new boiler the next day.
Boiler broken? We offer same-day emergency response when you need us most.
Every installation is backed by our 1-year workmanship guarantee.
Premium heating, made genuinely affordable for Chesterfield homeowners.
Spread the full cost of your boiler installation with zero interest and no extra fees.
Up to 24 months
Get your new boiler fitted today and pay nothing for the first 12 months.
12 months deferral
Choose small, affordable instalments spread over up to 10 years.
Up to 120 months
Our team is fully qualified and accredited to give you complete peace of mind.
Years of experience and hundreds of happy customers
Gas Safe Registered
Local Experience
Happy Customers
Trusted brand partner
Trusted brand partner
Trusted brand partner
Trusted brand partner
Trusted brand partner
Trusted brand partner
Most installers will give you a boiler. We give you complete peace of mind backed in writing, guaranteed from day one.
Aptus
Fixed-price contract locked in
Others
Estimates that grow
Aptus
Up to 12-year warranty
Others
Standard 1-5 years
Aptus
Included free
Others
Charged separately
Aptus
Same-day emergency
Others
Best efforts only
Aptus
Next-day available
Others
Wait 1-2 weeks
Aptus
1-year guarantee
Others
Varies widely
Aptus
Gas Safe Registered
Others
Standards vary
Aptus
Since 1999 (25+ years)
Others
Newly established
No other boiler installer in Chesterfield offers this standard as a complete package. This is what sets Aptus apart — not just what we install, but how we treat you, your home, and your investment throughout the entire process.
Independent feedback from homeowners who value tidy work and clear communication.
"Would highly recommend, turned up on time and stayed until the problem was found and fixed, he explained what was wrong and why things needed to be changed and the work…"
From Checkatrade
Read More"Lots of different jobs done for me over the last few years, most recently serviced the system and added a radiator. Wouldn't use any other plumbers. Great bloke. Excellent"
Must Use This Guy
Read MoreInstallation, later extension and…
10/10 From Checkatrade
We appreciate that this is your space. Our engineers are considerate, tidy, and take the time to protect your property while they work.
Boiler broken? No heating? We offer same-day emergency response so you're never left in the cold. One call, and we'll talk you through what happens next.
Free quotes on all work. What we quote is what you pay—transparently from start to finish. Finance options available if you need to spread the cost.
Every job is backed by a 12-month manufacturer warranty and completed to a professional standard. We use trusted products and stand by our workmanship.
No hidden costs. What we quote is what you pay.
Perfect for small homes
From £1,800
Ideal for medium homes
From £2,200
For larger properties
From £1,600
Fixed price repairs
From £80
*Prices are starting from and include boiler, installation, and VAT. Final price depends on your specific requirements.
Real reviews from real customers
"Excellent service from start to finish..."
- Sarah from Chesterfield
"Professional engineers, tidy work..."
- Mike from Bolsover
"Would highly recommend Aptus..."
- Jane from Clay Cross
Three trusted brands. Fixed pricing. Expert installation. Tell us about your home and we'll recommend the perfect match.
Price locked in. No hidden costs. Ever.
Price locked in. No hidden costs. Ever.
Price locked in. No hidden costs. Ever.
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