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 Icon

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
Discover Service →
Air Conditioning Icon

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
Discover Service →
Electrical Services Icon

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
Discover Service →

Also Providing Landlord Certificates

We continue to support landlords and property managers with comprehensive compliance and certification services across London.

View All Certificate Services
Wasser Group Air Conditioning Service

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.

  • Fast Response Times We prioritize emergency callouts and guarantee swift arrivals.
  • Fully Qualified Engineers Gas Safe registered and NICEIC approved contractors.
  • Transparent Pricing No hidden fees, straightforward quotes before any work begins.
Read More About Us

Trusted by Thousands Across London

Delivering excellence in climate control, heating, and property compliance.

0
Boilers Serviced
0
A/C Units Installed
0
Certificates Issued

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.

  • Free Quotes Clear advice before any work begins.
  • Fast Response We prioritise urgent heating, plumbing, electrical and cooling enquiries.
  • Certified Engineers Qualified teams for installations, repairs, servicing and compliance work.
  • London Coverage Local support across London and the surrounding areas.

Need immediate assistance?

Call 020 8800 1111

Our emergency lines are open. Speak directly to our support team and have an engineer dispatched promptly.

Call Now Contact Us