Cooling, Heating & Electrical Services You Can Trust.
Reliable, professional, and fast-response engineers covering all of London. From boiler replacements to air conditioning and full rewires, Wasser Group has you covered.
Our Core Services
Expert installations, repairs, and maintenance across London.
Heating & Boilers
Comprehensive boiler services including installations, swift replacements, annual servicing, and emergency repairs to keep your property warm.
- New Boiler Installations
- Fault Finding & Repairs
- Central Heating Upgrades
Air Conditioning
Expert air conditioning installation and maintenance services for residential and commercial properties. Stay cool and comfortable all year round.
- New AC Installations
- Routine Maintenance
- Breakdown Repairs
Electrical Services
Fully qualified electricians ready to handle all domestic and commercial electrical needs, ensuring complete safety and compliance.
- Full & Partial Rewires
- Fault Finding & Testing
- Lighting & Socket Installations
Also Providing Landlord Certificates
We continue to support landlords and property managers with comprehensive compliance and certification services across London.
Why Choose Wasser Group?
We've built a reputation across London for being reliable, transparent, and highly skilled. Whether it's a minor repair or a major installation, our engineers are fully vetted and highly experienced.
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Fast Response Times We prioritize emergency callouts and guarantee swift arrivals.
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Fully Qualified Engineers Gas Safe registered and NICEIC approved contractors.
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Transparent Pricing No hidden fees, straightforward quotes before any work begins.
Trusted by Thousands Across London
Delivering excellence in climate control, heating, and property compliance.
Request a Callback
Need immediate assistance or looking to book a service? Fill out our quick contact form and a member of our team will get back to you shortly to arrange a site visit or provide a free, no-obligation quote.
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Free Quotes Clear advice before any work begins.
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Fast Response We prioritise urgent heating, plumbing, electrical and cooling enquiries.
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Certified Engineers Qualified teams for installations, repairs, servicing and compliance work.
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London Coverage Local support across London and the surrounding areas.