Gas, heating & plumbing engineers you can rely on.
Landlord gas safety certificates, commercial catering gas work and boiler installation. Boiler installations come with a 1-year workmanship guarantee, plus a manufacturer’s warranty of up to 10 years.
Gas Safe registeredRegister No. 954766
Emergency call-outsCall us any time
CP12 · CP17 · CP42Certificates issued
Glasgowand surrounding areas
What we do
Free quotes on every job. Pick a service to get started.
Emergency call-out
Gas and water leaks, no heating, urgent plumbing faults.
Boiler installation & repair
Boiler installation, replacement and upgrades with up to 10 years manufacturer’s warranty and a 1-year workmanship guarantee.
Landlord gas safety (CP12)
Full appliances checks, testing and official certification.
Commercial & catering gas
Pipework, appliances installation and repair, gas interlock systems and CP42 certificates.
Request a free quote in under two minutes
Tell us what you need and we will confirm by phone or WhatsApp. No deposit, no obligation.
Get your free quote
Not an emergency? Pick the easiest way to reach us.
WhatsApp us Call 07578 918418 info@12heat.co.ukTidy, careful installs across Glasgow
See our reviews
Landlord gas safety
Checks, testing and certificate.
Commercial gas safety
Certification for commercial premises.
Catering gas safety
Certification for catering gas work.
What customers say
Rated 5.0 on Google
See what our customers say about THE 1-2 HEAT on Google.
Read our Google reviewsCommon questions
Are you Gas Safe registered?
Yes. We are Gas Safe registered and qualified for domestic, commercial and catering gas work.
What does a landlord gas safety check include?
Full appliance checks, testing and official certification (CP12).
What guarantees do you offer?
Boiler installations come with up to 10 years manufacturer’s warranty and a 1-year workmanship guarantee.
Do you do emergency call-outs?
Yes. We attend urgent gas and water leaks and heating and plumbing issues. Call us to arrange an emergency call-out.
Need a heating engineer?
Free quotes. Call, WhatsApp or message us and we will get you sorted.