Home Air Conditioning

You already trust us with your heating, now let Happy Heat keep your home perfectly cool all summer long.


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Home Air Conditioning


You already trust us with your heating, now let Happy Heat keep your home perfectly cool all summer long.


01923 372 823

Contact us

Keep your home perfectly comfortable all year round

At Happy Heat, you probably know us best for keeping your home warm when the winter chill sets in. But keeping your living space comfortable is a full time job, which is why we also install modern air conditioning systems for homes across the local area.

Whether it's one room or your entire home, we'll create the perfect indoor climate all year round.

We install air conditioning in every area of your home, including bedrooms, living rooms, loft conversions, home offices, conservatories, garden rooms, hallways, playrooms and more.

Why choose us for your air conditioning?

Installing air conditioning in a home is not just about beating the heat for a few weeks in July. Modern residential systems are clever, quiet, and surprisingly energy efficient.

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Cool summers, warm winters

Most modern air conditioning units are actually heat pumps. Meaning they can warm a single room in the colder months without you needing to turn on your entire central heating system.

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Whisper quiet mode

Forget noisy desk fans that just push warm air around the room. Fitted units operate at a barely audible hum so you can sleep or watch television without distraction.

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Fitting with care

Expect neat pipework, zero mess left behind, and a thorough explanation of how to use your new controls before we leave.

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Want to discuss your project?

Getting a cool, comfortable home is easier than you think. Contact the team at Happy Heat today for a free quote or a quick chat about what system would suit your space best.

Get in touch with us today!

You really are in safe hands with us!

Picking the right engineers can be a little overwhelming. It can take a lot of trust to let anyone into your private space. This is why we (and hundreds of happy customers) think we are the mutts nuts!

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24/7 emergency callouts

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Specialist Gas Safe engineers

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Specialist Refcom registered AC engineers

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Up to 15 year warranty on new boilers

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The latest smart technology

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100% positive feedback

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Hundreds of 5 star reviews

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Free home survey

We visit your property to measure your space, discuss which rooms you want to cool or heat, and recommend the best unit sizes for your budget.

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A transparent quote

You receive a straightforward, written quote with no hidden extras or surprise fees down the line.

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Installation in one day

Our friendly engineers carry out the installation with minimal disruption to your day, leaving your home spotless when the job is done.

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!

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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.


Still have a questions?

Still have a question?

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.

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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!


hello@happyheat.co.uk

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.

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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.


0800 246 5457

Need a fix fast? WhatsApp us!

It looks like you are on a laptop or desktop but if you visit us on your mobile and have WhatsApp, hit us up! It’s the quickest way to chat, and you can fire over photos or videos so we can see the issue and sort you out even faster!

Checking us out on your phone? Hit us up by tapping on the WhatsApp icon at the bottom right.

It’s the quickest way to chat, and you can fire over photos or videos so we can see the issue and sort you out even faster!

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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!


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We love to keep ourselves busy

Check out some of our latest projects on the gram! 



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    ©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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    Our website was designed locally in Hertfordshire by our friend Tyinthewood.com | The design guy from Chorleywood


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