Our domestic heating services
Whether your boiler has decided to throw a winter tantrum and needs a speedy repair, or it's time for its annual 'spa day' with a professional service to keep it purring perfectly, we've got you covered.
Beyond fixes and check-ups, we also handle full new installations, making the upgrade to a highly efficient system totally painless, so your home stays safe, warm, and energy-savvy all year long!
But that's not all!
As well as standard boiler repairs, installs and servicing. We can help with the following:
Warm air heaters
We install, repair and service domestic warm air heaters.
Underfloor heating
We repair and service domestic underfloor heating systems.
Power flushing
We flush out domestic heating systems to keep them running efficiently.
Smart home devices
Ready for a smart home? We install WiFi heating controls.
Cooking with gas!
We install, repair and service gas hobs in your kitchen or cooking premises.
Plumbing work
We install and repair plumbing. From pipe work to shower pumps and more.
Good, honest work, always!
Has your boiler decided to throw a tantrum and leave you in the cold? Don't panic, that's what we're here for! When your heat goes rogue, we spring into action, treating every breakdown as a top priority. We start with a quick and personable diagnosis, often using your WhatsApp photos or a phone call to understand the drama immediately.
We arrive equipped to trace the fault and provide a fast, reliable repair, aiming to get the system fixed efficiently and accurately the first time. Our goal is simple: to stop the chilly chaos and restore your home's warmth and hot water with minimal fuss and a friendly smile!
Don't just take our word for it!
We pride ourselves in our reviews and 100% customer satisfaction. Want to leave us a review? Super, check out our review page!

10-year warranty with all new Vaillant boiler installations
Got a question about one of our awesome services?
We know choosing a heating expert can be a faff, so we've gathered the most common questions from our Hertfordshire neighbours right here. We believe in honesty and no-nonsense answers.
Get in touch with us
Got an emergency? You can contact us on our emergency hotline.
Email us a question
Want to reach out? Fantastic! Email us and we will get respond as soon as we can. The more information you provide the better and quicker we can get back to you!
Get your free quote
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Got an emergency?
If you've lost heating or hot water, don't worry we are here to help. We operate around the clock, with a dedicated out-of-hours phone line between 8pm and 6am.
While availability can very, we'll always make every effort to attend as quickly as possible when you need us most.
Need a fix fast? WhatsApp us!
Areas we cover
We cover most of London, Hertfordshire and Middlesex. Including: Radlett, Abbots Langley, St Albans, Northwood, Harrow, Uxbridge, Rickmansworth, Chorleywood, Watford and Bushey. We may travel a little bit further, just give us a call!

Company
©2026 Happy Heat All rights reserved. Happy Heat Limited is an Introducer Appointed Representative (Financial Services Register No. 1053623) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.





Registered Address: 269 Park Avenue, Bushey, Hertfordshire, WD23 2DR, United Kingdom. If you have any concerns about our use of your personal information, you can make a complaint to us by writing us at 269 Park Avenue, Bushey Hertfordshire WD23 2DR, calling us on 0800 246 5457 or by sending an email to hello@happyheat.co.uk. You can also complain to the ICO if you are unhappy with how we have used your data. The ICO’s address: Information Commissioner’s Office, Wycliffe House, Water Lane, Wilmslow, Cheshire, SK9 5AF. Helpline number: 0303 123 1113. ICO website: https://www.ico.org.uk.
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