Photo Gallery 
View our work

FirmusHeat are expert domestic & commercial plumbing and heating engineers. We offer a range of heating and services in Watford, Bushey, Hertfordshire, Buckinghamshire, North London and surrounding areas.

FirmusHeat are trusted experts in boiler installation (we are also Worcester Accredited installers) as well as central heating, boiler servicing and repairs. Our number one priority is to give you the best, most efficient and truly trusted service for whatever your plumbing and heating needs.

• Professional and experienced company with over 14 years experience in the plumbing and heating industry
• A personable service, with employees you can trust
• Trained and experienced with major boiler manufacturers such as Worcester Bosch and Vaillant
• We can offer extended warranties on certain boiler brands- up to 12 years on Worcester Bosch as we are Worcester Accredited installers
• We only employee professional and reliable employees – it is part of our ethos
• Engineers are Gas Safe qualified, vetted and approved
• Checkatrade trusted traders – check out our reviews or visit google or Facebook for other customer reviews
• DBS checked employees
• Our company are fully insured -£10 million public liability insurance, therefore you can be confident we are fully covered for all risks while working in your property.
• Free Quotes – We assess your job and provide you with a free, no-obligation quote.
• We offer a range of services, whatever your heating and plumbing need, we are here!