How we can help you
Whether you need cozy home heating, crisp air conditioning, or large commercial setups, we do it all. Take a look at our services below or give us a ring today!
Office heating
We provide expert commercial heating solutions for office spaces to encourage productivity
Facilities Management
We aim to be your trusted experts for everything from emergency call-outs to proactive maintenance
Church heating
We help to maintain a comfortable temperature in churches ensuring systems run reliably and safely
Plant room
We're committed to being your partner, ready for plant room servicing and critical boiler work
Pump room
We provide support for critical heating components, from pump rooms to commercial boiler work
Heating services for NHS
We provide specialist boiler and gas services directly to NHS trusts, clinics, and medical centres.
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!
10-year warranty with all new Vaillant boiler installations
Why choose HappyHeat?
Here's why thousands of customers (and counting) have chosen us:
Reputation built on trust
Expertise and fully insured
We have over 100 years of combined experience in the industry. We are also fully insured so you know that all works are fully protected and assured.
It's a family affair
We're proudly a husband and wife team. This unique family dynamic means you always get a personal, trustworthy service larger firms simply can’t match.
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!
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.
We love to keep ourselves busy
Check out some of our latest projects on the gram!
Get in touch with us
Get a free quote, email us if you have a question or call us on 01923 372823.
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
By completing our contact form you are agreeing to allow us to contact you via the details that you share. We will not share your details with any third parties. For more information about how we use your data see our Privacy policy.
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!
Domestic heating services
Domestic cooling services
Commercial cooling services
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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