Professional Central Heating & Plumbing

Boiler 10yr Guarantees




No Call Out Charge Insurance Approved Gas Safe Registered Free Quote Excellent Customer Service

Professional heating specialists in Sheffield, South Yorkshire

At Cosywarm we are central heating and boiler repair specialists with over 30 years experience in all aspects of plumbing.

A family business established in 1990, we take great pride in the excellent standard of service we provide, aiming to respond to your needs in the fastest time possible. We even provide guarantees on any repair work carried out. Our expert team of engineers are all fully qualified and Gas Safe registered, upholding the highest level of workmanship and professionalism at all times.



Our Services Include:

  • Expert in Ideal & Vaillant Boilers
  • Central Heating Systems
  • New Energy Efficient Boilers
  • Boiler Upgrades
  • Extra Radiators
  • Design & Full Bath Install
  • Kitchens
  • Under Floor Heating

Why Use Cosywarms Expert Heating Services?

  • 5 Star service guaranteed
  • Fast response
  • Gas safe registered
  • No call out charge
  • Free quotes and estimates
  • All work guaranteed & fully insured