Get a Free Quote from Crystal Sigma Ltd

Fill in the form below and we'll connect you with this installer.

Step 1 of 3Tell us about your home

Property type

DetachedSemi-detachedTerracedFlatBungalow

Current heating

Gas boilerOil boilerLPGElectricOther

Are you interested in the BUS grant (up to £7,500)?

YesNo

Why use our directory?

All installers are MCS Certified

BUS grant eligible — save up to £7,500

Free, no obligation quotes

Verified Google reviews

Compare multiple installers in your area

MCS CertifiedNAPITNICEICRECCTrustMarkGas Safe

Subscribe to our newsletter

Get updates on new installers, grant news and heat pump guides.

The UK's only dedicated heat pump installer directory