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17 Years
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Emergency
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Trusted Plumbing and Heating Services in Watford
Established in 2009, FirmusHeat has built a reputation as a trusted provider of plumbing and heating solutions across Watford, North London, and surrounding areas. Our team of Gas Safe registered engineers brings over 14 years of combined experience, delivering expert boiler installations, central heating systems, and emergency repair services to domestic and commercial clients. We prioritise customer satisfaction through transparent communication, competitive pricing, and a commitment to quality workmanship. As Worcester Accredited Installers, we offer extended warranties on select boiler brands, ensuring long-term reliability for our clients. Our services include powerflushing, landlord gas safety certificates, and underfloor heating installations, supported by 24/7 emergency call-outs.

With DBS-checked employees and 10 million public liability insurance, we provide peace of mind alongside our comprehensive service portfolio. Regular training ensures our team stays updated with industry advancements, including smart thermostat integration and energy-efficient heating solutions. Customer testimonials highlight our punctuality, professionalism, and ability to resolve complex heating issues efficiently. We maintain partnerships with major boiler manufacturers like Worcester Bosch and Vaillant, enabling us to deliver tailored solutions that meet diverse client needs.
Services
Boiler Installation Central Heating Powerflushing Landlord Certificates Emergency Repairs Underfloor Heating Bathroom Installation Gas Safety Checks Commercial Plumbing Boiler Servicing
Details
  • Year established: 2009
Highlights and features
  • 14 years of experience in domestic and commercial plumbing and heating
  • Gas Safe registered engineers with Worcester Accredited Installer status
  • Extended warranties up to 12 years on Worcester Bosch boilers
  • DBS-checked employees and 10 million public liability insurance
  • 24/7 emergency call-out service with rapid response times
Associations and certifications
  • Gas Safe Register
  • Worcester Accredited Installers
  • Checkatrade
What people say
Reliable and trusted Professional service Rapid response times Excellent workmanship Transparent pricing
Services
Boiler Installation
We provide expert boiler installations for domestic and commercial properties, offering Worcester Bosch, Vaillant, and Ideal models with warranties up to 12 years. Our Gas Safe engineers ensure efficient system integration and compliance with safety standards. Clients benefit from reduced energy bills and enhanced heating reliability through modern, energy-efficient units.
Central Heating
Our central heating solutions include system design, installation, and repairs for residential and commercial properties. We specialise in radiator installations, smart thermostat integration, and underfloor heating systems. Clients receive optimised heating performance with energy savings through our tailored system configurations.
Powerflushing
This service removes sludge and scale from central heating systems using high-velocity water flow and chemical treatments. We recommend it before boiler replacements to prevent system contamination. Clients experience improved heating efficiency and extended boiler lifespan after our thorough system cleansing process.
Boiler Cover
Our boiler cover plans (Bronze, Silver, Gold) protect against unexpected breakdowns with 24/7 emergency call-outs and parts/labor coverage. Plans include annual servicing for Gold tier members. Clients gain financial protection and peace of mind with rapid response times for heating emergencies.
Landlord Certificates
We issue CP12 gas safety certificates for rental properties, conducting annual inspections of gas appliances and flues. Our Gas Safe engineers ensure compliance with legal requirements for landlords. Clients receive documentation within 28 days of inspection, meeting regulatory obligations for tenant safety.
People
Steve Thorpe
Director
With 14 years in the plumbing and heating industry, Steve leads FirmusHeat's team of Gas Safe engineers. He oversees operations, ensures quality control, and maintains partnerships with major boiler manufacturers. His expertise in system design and customer service drives the company's commitment to excellence.
Questions
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency call-outs with rapid response times for urgent plumbing and heating issues across our service areas.
What boiler brands do you work with?
We specialise in Worcester Bosch, Vaillant, and Ideal boilers, with extended warranties available on selected models through our accreditation programs.
Are your engineers qualified?
All our engineers are Gas Safe registered, with additional qualifications including Worcester Accredited Installer status and DBS checks for client safety.
Do you serve commercial properties?
Yes, we offer comprehensive plumbing and heating services for commercial buildings, including system design, installations, and maintenance contracts.
What areas do you cover?
We serve Watford, Bushey, North London, Hertfordshire, Buckinghamshire, and surrounding areas with both domestic and commercial services.
Can you help with landlord gas certificates?
Yes, we provide CP12 gas safety certificates for rental properties, including annual inspections and documentation within legal compliance periods.
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