Welcome to Checkmark

Helping you to safely and legally install your own heat pumps and air conditioners

What we do

Checkmark provides a connecting, testing, commissioning and certifying service for your DIY heat pump/air conditioner install.

It saves you the cost of a full installation whilst keeping you safe and legal.

You’ll also find lots of useful information about how to plan and install your own system.

We help DIY installers

Checkmark helps DIY installers of air conditioners and heat pumps save money and stay legal

Find out how …

Discover and learn

How to plan and install your own heat pump or air-conditioner

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About Checkmark

The ideas behind supporting DIY installers of heat-pumps and air-conditioning

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