Areas Covered

Londons local air conditioning contractor

Speak to us today for all your air conditioning needs. Book a free appointment for new installations, system servicing or repairs.

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London Areas

Surrey Areas

Essex Areas

Dagenham

Kent Areas

Buckinghamshire Areas

Cambridge Areas

Berkshire Areas

Middlesex Areas

Maidenhead

Bedfordshire Areas

Recent Callouts by Engineers

22,768

Systems Installed

82%

UK Coverage

41%

Average Energy Saving

Going Green Has Never Been So Easy!

Air SourceHeat Pumps

Heat pumps are becoming a by-word for going green and saving money. At Crystal Sigma we supply and install the latest high efficiency air source Heat Pumps.

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Less Energy InMore Energy Out

Heat pumps utilise highly efficient technology to harvest energy from the air, this makes them between 3 and 4 times more efficient than a gas boiler.

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What Is A Heat Pump?

A heat pump system extracts ambient energy from the air or ground and with a little magic, it converts the energy into useable heat for warming your home.

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Happy Home. Happy Planet.

Saving money with renewables gives you a warm feeling in more ways than one. Not only does it make financial sense to use Heat Pumps, but its better for the environment too.