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Expert Heat Geek installers of high-efficiency heat pumps and boilers, delivering great value for money.
At City Warmth, we specialise in energy-efficient heating systems that meet the needs of our customers in Brighton, Hove and Worthing. Our Heat Geek certified engineers install, service and maintain high-performance heat pumps and boilers to exceptional standards, so you can enjoy comfort all year round.
Heat Geek is the UK’s leading training and certification platform for heating engineers, and the largest network of specialist heat pump installers worldwide. Recognised nationally for their commitment to excellence and innovation, Heat Geek is driving efficiency and performance across the heating industry.
All Heat Geek installers are fully trained, certified and verified by Heat Geek to ensure customers receive the highest-quality service from their local experts.
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The Heat Geek certification is only awarded to top Heat Geek engineers who are trained in advanced system design and efficiency (like us!). Essentially, Heat Geek installers are the best of the best.
With a Heat Geek installer, you benefit from Heat Geek’s exclusive 5-year performance guarantee. This lets you rest easy knowing that your system will be expertly taken care of, saving you money and reducing your carbon footprint.
Whether you’re upgrading your boiler or switching to a heat pump, City Warmth’s Heat Geek Approved status ensures your system is designed for maximum performance and efficiency.
SCOP stands for Seasonal Coefficient of Performance. It’s an energy-efficiency rating (similar to a car’s “miles per gallon”) that measures how much energy a heat pump produces for every unit of electricity it uses over the period of a year.
All Heat Geek assured boiler and heat pump installations by City Warmth are backed by the Heat Geek performance guarantee, ensuring your system operates optimally all year round.

Having a Heat Geek heat pump or boiler that works efficiently isn’t just good for you and your home, it’s sustainable and cost-efficient. At City Warmth, we’re passionate about providing our customers in Brighton, Hove and Worthing with efficient heating solutions tailored to their property’s needs.
Backed by the SCOP Heat Geek guarantee, our heating solutions deliver on the promise of high-performance, energy-efficiency and the best value for money.
Whether you’re exploring a boiler upgrade or a new heat pump installation, a Heat Geek design consultation gives you direct access to the best of the best.
Heat Geek is a nationally recognised advocate and promoter of Heat Pumps. They use locally trained, vetted and approved organisations to carry out Home Heat Loss Design Consultations along with the installation of the heating systems themselves.
In Brighton, Hove and the surrounding area your Heat Geek design consultation will be carried out by a member of the City Warmth team. The design consultation will walk you through every aspect of the installation and outline the changes you can expect in your home.
A proposal will be made available to you within a week of the home design consultation taking place and may even be available at the time of the site visit itself. This means you may receive a final price as early as your first meeting with our team.

We are City Warmth, a family-run plumbing and heating company serving Brighton, Hove and Worthing with the most efficient heating solutions at the best prices. Our expert engineers install, maintain and replace boilers and heat pumps, providing honest guidance and advice on the most efficient heating solution for your home.
We love to support our customers in any way we can; following-up quickly, attending when we say we will, and delivering heating solutions to the highest standards. Our specialist team of engineers really is the best in the business – highly qualified, friendly and with can-do attitudes, there is no problem they can’t solve.
At City Warmth, our Heat Geek verified installers combine technical precision with a true passion for smarter, more efficient heating solutions. We genuinely understand the complex design considerations behind both heat pumps and boilers, having worked with many different properties across Brighton, Hove and Worthing for over 12 years.
Each system we install is intelligently engineered to deliver real-world efficiency, lasting comfort, and long-term performance you can depend on. It doesn’t get better than that.
City Warmth are proud to be known for our friendly and responsive demeanour and are committed to delivering a first-class service across Brighton, Hove and Worthing. See what our customers have to say about working with us.

We are proud to be Heat Geek’s best independent installers in Brighton and Hove. If you’re searching for a first-class service that’s local to you, we're here to help. Heat Geek assured and committed to making peoples’ lives better through our services, we’re ready to support you.
Here are some of the most common questions we get from homeowners across Sussex about hybrid and air source heat pumps.
Yes, we install, service and repair heat pumps and boilers across Brighton, Hove and Worthing. Whether you’re looking to replace or upgrade your heating system or book servicing or maintenance, we can help.
When you’re not in the plumbing and heating world, it can be difficult to choose the right system for your home. Our expert team will assess your requirements and advise you on the most suitable and efficient heating solution for your needs – saving you money and stress.
Heat Geek approved installers are professional heating individuals or companies that have been trained, tested and Heat Geek certified to meet the highest industry standards for heating design and efficiency.
No, Heat Geek installers work with boilers and heat pumps. They are committed to improving the overall quality and efficiency of heating system design, so that homeowners can enjoy the comfort and cost-efficiency they deserve.
On average, a Heat Geek design consultation takes about two hours. The assessment includes a detailed assessment of your property, including electrical and water surveys, a heat loss assessment, and a noise assessment. The design consultation is carried out in-person in your home.