1st Gas Engineers Ltd specialise in gas boiler & gas appliance servicing, repairs and installations in Northamptonshire & surrounding areas. We are Gas Safe registered (139660), fully insured & approved by Which? Trusted Traders & Buy With Confidence.

Enviro Heating & Cooling Ltd is a subsidiary business of 1st Gas Engineers Ltd, through this business we also install, service and repair air conditioning units within the home. F- gas registration number: FGAS3009065.

Why Call Us?

● Free quotations on all domestic boiler, central heating and aircon installations

● A-rated boilers guaranteed for up to 12 years

● Boiler repairs, all parts and labour come with a 12 month guarantee

● Competitive prices with no hidden costs

● Boiler, warm air unit, gas fire and air conditioning unit servicing

● Natural gas and LPG installations, servicing and repairs






Why choose 1st Gas Engineers Ltd

  • Call us and speak directly to a Gas Safe registered engineer
  • A company approved by Which? Trusted Traders and Buy With Confidence offering reliable service
  • As a local company we are often able to respond more quickly in urgent situations


Gas safe


  • Cylinders
  • Gas boiler
  • LPG
  • Commercial

Find a local installer

These fully training independent installers specialise in Worcester Bosch installations and can offer exclusive benefits to homeowners, including extended guarantees and certified knowledge of Worcester Bosch products. They can provide you with crucial advice and free, no-obligation quotes.