How It Works

How it Works - The WarmZilla Way

At WarmZilla, we’re not just another home services company—we’re the UK’s leading online platform for heating and smart tech installations. With over 20,000 happy customers (and counting), we’ve built a reputation for doing things differently. Our fully online experience is fast, fixed-price, and refreshingly simple—no salespeople, no stress, just expert support from quote to install. We’re here to shake up the industry and make upgrading your home easier than ever—because you deserve better.

Here's how it works:

1. Answer a Few Questions

Start by completing our quick online survey, designed by Matthew & Rhys Powell, Gas Safe engineers, to help you find the right boiler for your home. It takes just a few minutes and considers your home’s size, heating needs, and efficiency requirements to recommend the most suitable options.

  • Designed by experts to ensure accuracy
  • Instant tailored results with no guesswork
  • No home visits needed, everything is done online

2. Choose Your Product

Once you receive your personalised recommendations, compare options using our easy-to-use comparison tool. Whether you need a new boiler, an EV charger, or a smart home upgrade, you can find the right solution quickly and easily.

  • Fixed-price quotes with no hidden fees or surprises
  • Flexible packages, including smart thermostats, TRVs, and water treatment
  • Competitive prices, checked regularly to ensure great value

3. Book Your Installation Date

Select a date that works for you using our live installation calendar. Some dates even include exclusive discounts to help you save. Once your booking is confirmed, we will guide you through the next steps and keep you updated at every stage.

  • Flexible scheduling to fit around your availability
  • Two years interest-free credit available on selected products
  • 24/7 support for any questions before, during, or after installation

Our Values

  • Keep It Simple
    We take the complicated stuff and make it stupidly easy. No jargon, no waffle - just sorted.
  • Built to Disrupt
    We’re not here to fit in - we’re here to change the game. Smarter tech. Better service. Faster everything.
  • Do It Right
    Whether it’s a home service or a customer email, we do things properly. No shortcuts, no bodges.
  • Honest to the Core
    We say what we mean and do what we say. Upfront pricing, real advice, no hidden nonsense.
  • Stay Human
    Behind the tech is a team of real people who care. Friendly, helpful, and never robotic - unless it’s the chatbot.

Boiler Installation:
Quality You Can Trust

After purchasing your new boiler, we will ask you to upload a few photos of your current setup.

These images are checked by our Gas Safe registered engineers to ensure everything is prepared for a smooth and straightforward installation.

What You Get with a WarmZilla Installation:

  • Gas Safe registered engineers, always local to you
  • A one-year workmanship guarantee for added peace of mind
  • A manufacturer’s warranty included with your boiler

Why Choose WarmZilla?

  • Fixed Price Quotes
    Clear, upfront pricing with no hidden costs
  • 0% Interest-Free Credit
    Spread the cost with two years of interest-free finance
  • Workmanship Guarantee
    All installations covered for one year
  • Approved Engineers
    Certified & local professionals to your area
  • Tailored to You
    No one treats customers better—guaranteed
  • Competitive Prices
    Regularly checked to ensure the best online value

A Fully Online Home Services Provider

WarmZilla is the only fully online home services provider in the UK. This means no unnecessary home visits, no lengthy quotes, and no delays.

Our 24/7 live chat is always available to answer your questions, and our support team will be with you at every stage of your installation.

What's Next?

Want to see what other customers think? Take a look at our Trustpilot reviews to see why thousands of homeowners choose WarmZilla.

WarmZilla Van Derek

Ordered a boiler Thursday evening. I was contacted Friday night by the engineer to let me know what time he'd arrive etc. The fitter arrived within the time he had stated and was quick and efficient.

Tanya

I had a great experience with warmzilla the staff are experience and very efficient the engineer who did the job was great. I think my overall experience was great and we’ll introduce them to anybody to use them.

Abayomi

From enquiry and conversations with the team, whole process progressed in a straightforward stress free way. Day of fitting, my engineer Jay did a great job and dealt with unexpected issues without any fuss.

Dee