Browse the Top 10 HVAC Contractors Serving Watford

See what 10 HVAC contractors serving Watford offer, from heating and ventilation maintenance to air conditioning installations and repairs. Review business profiles, read customer feedback and contact providers that match your requirements.
Avenue Heating
9 Years
Emergency
Not rated yet
Avenue Heating
9 Years
Emergency
Not rated yet
Avenue Heating provides professional boiler installation, servicing, and plumbing solutions across Hertfordshire. Established in 2017, we combine technical expertise with exceptional customer service, offering fixed-price quotations and maintenance plans. Our Gas Safe registered engineers deliver energy-efficient heating solutions for residential and commercial properties.
Boiler Installation Annual Servicing Emergency Repairs
Great service Professional assessment Excellent work
Not rated yet
TDC Plumbing & Heating
8 Years
Emergency
Not rated yet
TDC Plumbing & Heating provides professional plumbing and heating services across London. Established in 2018, we specialise in boiler installations, gas safety certificates, and emergency repairs. Our Gas Safe registered engineers serve residential and commercial clients with a focus on quality and reliability.
Plumbing Boiler Installations Gas Safety Inspections
Amazing young man Went above and beyond Polite and helpful
AC Solutions Group
44 Years
Emergency
Not rated yet
AC Solutions Group
44 Years
Emergency
Not rated yet
AC Solutions Group provides air conditioning installation, maintenance, and refrigeration services for residential and commercial clients. With over four decades of experience, we deliver custom climate control solutions across London and the South East. Our certified engineers combine technical expertise with a commitment to environmental sustainability and customer satisfaction.
Fixed Air Conditioning Portable Units Refrigeration Systems
Excellent service Polite professionals Highly recommended
FirmusHeat
Emergency
Not rated yet
FirmusHeat
Emergency
Not rated yet
FirmusHeat is a trusted plumbing and heating company based in Watford, offering expert boiler installation, central heating solutions, and plumbing services across Hertfordshire, Buckinghamshire, and North London. With over 14 years of experience, we specialise in domestic and commercial boiler repairs, powerflushing, landlord certificates, and emergency plumbing services. Our Gas Safe registered engineers prioritise reliability, transparency, and customer satisfaction, backed by extended warranties on major boiler brands and 24/7 emergency support.
Boiler Installation Boiler Servicing Central Heating
Reliable service Professional engineers Quick response times
TWF Air Conditioning Services provides professional installation, repair, and maintenance of energy-efficient air conditioning systems for homes and businesses across London and the Home Counties. With over 10 years' experience and F Gas Certification, we deliver tailored climate control solutions using premium brands like Daikin and Mitsubishi. Our services include site surveys, commercial HVAC systems, and 24-hour emergency response to ensure optimal comfort and operational efficiency.
Installation Repairs Servicing
Professional team Quick response Energy-efficient solutions
Capital Heating
31 Years
Emergency
Not rated yet
Capital Heating
31 Years
Emergency
Not rated yet
Capital Heating is North West London and Hertfordshire's premier gas heating company, providing installation, maintenance, and repair services for domestic and commercial properties. Established in 1995, we combine technical expertise with exceptional customer service, supported by Gas Safe registration and industry accreditations. Our team of over 30 professionals serves both private homeowners and large-scale housing associations through our sister company CH Maintenance.
Heating Systems Commercial Maintenance Home Solutions
Credit to your company Impressed with service Professional and respectful
Not rated yet
Tower Systems
32 Years
Not rated yet
Tower Systems provides specialist cooling tower maintenance, repair, refurbishment, and installation services across the UK. With over 28 years of industry experience, we offer nationwide support for all makes of evaporative cooling towers, including bespoke replacement parts manufacturing and efficiency-enhancing upgrades. Our services prioritise operational safety, water conservation, and system longevity through expert technical solutions.
Servicing and Maintenance Cooling Tower Refurbishment System Upgrades
Salix Mechanical
44 Years
Emergency
Not rated yet
Salix Mechanical
44 Years
Emergency
Not rated yet
Salix Mechanical provides expert HVAC installation, maintenance, and emergency repair services for commercial clients across London and the South East. Established in 1982, we deliver energy-efficient climate control solutions while adhering to strict compliance standards. Our accredited engineers ensure reliability and longevity for air conditioning, ventilation, and refrigeration systems.
Commercial Air Conditioning Ventilation Systems Refrigeration Maintenance
Technical expertise Rapid response Cost-effective solutions
Gas Mark 1
33 Years
Emergency
Not rated yet
Gas Mark 1
33 Years
Emergency
Not rated yet
Gas Mark 1 is a family-run heating and plumbing company based in Watford, Hertfordshire, with over 20 years of experience. We specialise in boiler and central heating installations, bathroom and kitchen renovations, and comprehensive plumbing maintenance services. Committed to quality and customer satisfaction, we offer a seamless 'one-stop shop' experience through our skilled engineers and partnership with Herts Bathrooms and Kitchens.
Boiler Installation Central Heating Systems Fireplace Installation
Fantastic workmanship Professional and efficient Highly recommend
Not rated yet
L R Heating & Electrical Services
13 Years
Emergency
Not rated yet
L R Heating & Electrical Services provides certified gas heating and electrical solutions across Watford, St Albans, and Hertfordshire. Specialising in boiler installations, emergency repairs, and electrical maintenance, we combine Gas Safe and NICEIC accreditations with over a decade of local expertise. Our focus on reliability, competitive pricing, and 24/7 emergency support ensures tailored, high-quality service for domestic and commercial clients.
Central Heating Services Electrical Services Boiler Installations
Rickmansworth (3.7 mi) Hemel Hempstead (6.4 mi) St Albans (6.5 mi) Potters Bar (10.1 mi) Welwyn Garden City (12.6 mi) Luton (15.0 mi) High Wycombe (15.2 mi) Dunstable (16.0 mi) Maidenhead (16.5 mi) Waltham Cross (16.6 mi)