
Your trusted boiler specialists for Sunderland homes and across the North East
Choosing a boiler installer can be a challenging task. That’s why we set out to make things as simple and transparent as possible for you. Since 2019, NEIS Heat has been keeping homes across Sunderland and the North East warm, combining the know-how of a big company with the honesty and speed of a local family business. You get a team who care about doing the job right; each installation comes with a full system flush to keep your home efficient and your boiler protected. We don’t believe in confusing prices or distant call centres—just proper service you can rely on.

Why choose us for your next boiler?
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Fixed-price combi swaps from £1,999 – no surprises at the end
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Every installation includes a comprehensive mechanical flush to protect your system
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Gas Safe registered local engineers, not faceless sub-contractors
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Fast turnaround thanks to our exclusive 40-mile Sunderland focus
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Honest, family-run service built around your needs and peace of mind
Recent boiler installations
Seaham: One-day combi swap with system flush
Client: Mrs Thompson | Location: Seaham, County Durham | Date: March 2026
Replaced an ageing, unreliable boiler that had become costly to repair with an Ideal Logic Combi2 C30. Before installation, the radiator circuit was deep-cleaned using specialised flushing machinery to remove years of built-up sludge. Completed in one day for £2,150, including the full system flush, leaving the home more efficient and covered by a manufacturer’s warranty.
Fulwell: Emergency boiler replacement in under 48 hours
Client: Mr Harrison | Location: Fulwell, Sunderland | Date: February 2026
Attended within 4 hours of a total boiler failure that left the household without hot water. Recommended and installed an Ideal Logic Combi2 C30, along with a comprehensive system flush to ensure peak performance from day one. The full process, from initial call to final safety check, was completed in under 48 hours for £1,999, delivering a fast, reliable solution at a fair local price.
Brands we trust
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Ideal Heating: Our primary recommendation for North East homeowners is the Ideal Logic Combi2 C30. It is a compact, high-performance boiler that is perfect for most British homes and offers exceptional longevity.
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Worcester Bosch: We are highly experienced in the installation and maintenance of Worcester Bosch systems, a brand synonymous with premium engineering.
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Baxi: As a British-made favourite, Baxi boilers are a great choice for those looking for robust performance and excellent parts availability.
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Vaillant: We work with Vaillant’s range of high-efficiency boilers, known for their innovative technology and quiet operation.
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Viessmann: For customers looking for advanced German engineering and stainless steel heat exchangers, we offer Viessmann installation services.
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Smart Home Brands: To complement our boiler installs, we provide and set up smart heating controls from Google Nest and Tado, ensuring you have complete control over your energy usage from your smartphone.
Advanced system protection
We don’t just swap boxes. Every installation includes a comprehensive system flush using specialised machinery to ensure your new boiler lasts.
Sunderland-born & bred
We cover a 40-mile radius of Sunderland. Being local means faster turnaround times and a personal service the national giants can’t match.
Transparent, honest pricing
We specialise in the Ideal Logic Combi2 C30, offering fixed-price swaps between £1,999 and £2,500. No national mark-ups, just honest local value.


