Professional Tankless Hot Water Installation in London

Most repairs are completed within 1–2 hours, depending on the complexity of the issue. Our technicians carry common parts and diagnostic tools to ensure quick turnaround times whenever possible.

It depends on the age and condition of your unit. If it’s under 10 years old and the repair is minor, fixing it is usually more economical. However, for older systems with frequent breakdowns, replacement might be more cost-effective in the long run. Our team will guide you with honest advice tailored to your situation.

Yes, we stand behind our work with a satisfaction guarantee and limited warranties on both labor and replacement parts. You can trust that your investment is protected when you choose KMC Heating & Cooling.

There are several common causes, including mineral buildup, ignition failure, blocked vents, corroded components, or faulty sensors. Our technicians will perform a full diagnostic to pinpoint and fix the issue quickly and safely.

It’s not recommended. Tankless systems involve gas lines, electrical systems, and precision components that should only be handled by certified professionals to ensure safety and avoid further damage.

The best way to prevent breakdowns is to schedule regular maintenance, including descaling and flushing, inspecting all system components, and replacing filters as needed. Preventative care can extend the lifespan of your system and ensure optimal performance year-round.