Gas boiler replacement and heating system upgrades, from a Gas Safe registered engineer and accredited installer for Vaillant, Viessmann, Intergas and ATAG.
5.0 11 Google reviews
Gas Saferegistered
Is it right for you?
We install both boilers and heat pumps. We explain the available options and recommend solutions based on your home's requirements, rather than simply selling equipment.
Cost
How we price
Every situation is different, including distance and other factors, so we don't list prices.
Quotations follow a property assessment and technical survey.
Heat Geek's ZeroDisrupt
As a verified and vetted installer on the Heat Geek platform, we can offer Heat Geek's ZeroDisrupt heat pump system, which Heat Geek says averages around £3,000 to install after the government grant.
Eligibility: Heat Geek's criteria apply, and the price depends on your home.
The process
Kirk personally leads the technical assessment, design and installation work.
To understand your property and what you need.
A property assessment and technical survey.
Heat loss calculations and system design, where appropriate, then a detailed quotation with the proposed installation explained.
Installation, and any changes your system needs.
Typical time: 1 to 2 days, for a straightforward installation
Testing, commissioning and system optimisation, then a handover that explains how your system and controls work, with follow-up support where required.
At handover
A record of your system: the boiler make, model and serial number, design heat loss and outdoor temperature, design flow and return temperatures, controls and compensation, and the commissioning and notification reference. Keep it with the equipment manuals, commissioning records and warranty confirmations.
Project timescales vary depending on the size and complexity of the installation.
Get a boiler quoteProof
BeforeHertfordshireExtended to 7 bedrooms and 8 bathrooms
Hertfordshire6 bedrooms, 5 bathrooms
Google reviews
5.011 Google reviews
Kirk Ferguson of NuRenewables Heating is the most knowledgeable heating engineer/plumber I have ever used and performed an absolutely superb job reworking how my entire heating and hot water system was configured for a large extension. This included installing a new boiler, powertank (to improve the water pressure), hot water cylinder, 3 bathrooms and a kitchen amongst other works.
Kirk is a delight to have in the house, is super tidy, but most of all is an expert in his field and applies a scientific approach to his installations to maximise the efficiency for the homeowner.
I first met Kirk in 2022, when he came to repair my 14-year-old boiler, which really should have been replaced years earlier. He managed to get it working again until I was able to afford a new one, and was friendly and honest about what needed doing. In 2023, he came back to install the new boiler, and I was really happy with the service.
Since then, I’ve recommended Kirk to friends and people in the community. He serviced the boiler at my new home in 2025, and he’ll be back soon to redo my bathroom. I can’t fault his service: he’s friendly, honest and reasonably priced. I’d happily recommend him.
Kirk and his team have been excellent in their assessment of our heating and plumbing issues. Professional friendly accessible and caring. Also responsive to any queries many months after the job. Our boiler was replaced and multiple plumbing issues. If you want first class service please contact Kirk!
Why us
A strong emphasis on accurate heat loss calculations, hydraulic design, appropriate equipment selection and efficient system operation.
Kirk takes a hands-on approach to projects, from initial assessment and system design through to installation, commissioning and handover.
We aim to deliver neat, carefully planned installations using high quality components.
We explain the available options and recommend solutions based on your home's requirements, rather than simply selling equipment.
Questions
Yes. NuRenewables Heating is Gas Safe registered.
We're accredited installers for Vaillant, Viessmann, Intergas and ATAG. We explain the available options and recommend solutions based on your home's requirements, rather than simply selling equipment.
Manufacturer warranties, and any additional service arrangements, are explained within your quotation. Our own work comes with a 2-year guarantee.
A typical, straightforward boiler installation takes 1 to 2 days. It depends on the flushing time, which varies with the quality of the system and the number of radiators, and on delivery times. Your quotation explains the work involved.
Yes. We service gas boilers and heat pumps. Most boiler manufacturers ask for a yearly service to keep the warranty valid. See boiler servicing.
It depends on your home, your budget and your plans. We install both. We explain the available options and recommend solutions based on your home's requirements, rather than simply selling equipment. See air source heat pumps.
Areas covered
Contact
Send a few details and we'll get back to you to talk it through.
We'll be in touch to talk through your home and what you need.
