Our commercial heating services
We handle full commercial boiler installations and upgrades. If your existing system is past its best, we can fit a brand new, powerful, and highly efficient commercial unit designed to meet your company’s demands. More importantly, having a qualified service is crucial for the safety of your property and your team.
Our thorough checks identify any potential dangers, giving you complete peace of mind that your business is compliant and secure. Whatever your company's heating and gas requirements are, big or small, we invite you to get in touch. Select a service and let’s discuss how we can best support your success!
Why businesses trust Happy Heat!
What you get if we become your commercial heating partners:

Gas Safe Registered
We are registered to work on both commercial and industrial premises.
25 years of experience
As a family business we have over 25 years of combined industry experience.
Fully insured for £5m
We are fully insured for up to £5,000,000 in public liability.

Safe Contractor Accredited
We are SSIP accredited, meaning we meet the highest recognised safety standards for contractors.

DBS Enhanced checked
Our engineers are Enhanced DBS checked and fully vetted, giving you peace of mind when we work at your home or workplace.

100% Positive feedback
We take pride in our positive reputation, proven by our 100% customer satisfaction rating on Google reviews.
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.
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
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!
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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