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Explore HVAC Contractors Serving Hertfordshire

Review the services of 46 HVAC contractors in Hertfordshire, including Watford, St Albans and Hemel Hempstead. Whether you need heating repairs, an air conditioning installation or ongoing ventilation maintenance, look for relevant providers and enquire about availability and pricing.
Abbots Langley (1)
Bishop's Stortford (3)
Borehamwood (1)
Bricket Wood (1)
Broxbourne (2)
Cheshunt (2)
Flamstead (1)
Harpenden (2)
Hatfield (1)
Hemel Hempstead (4)
Hertford (2)
Knebworth (1)
Potters Bar (3)
Rickmansworth (1)
Royston (1)
St Albans (5)
Stevenage (1)
Waltham Cross (2)
Ware (1)
Watford (8)
Welwyn Garden City (3)
12 reviews
Plumb Heating Ltd
12 reviews
We offer 24/7 emergency services
Expert heating and plumbing services in Hemel Hempstead, providing reliable and professional solutions for all your heating needs
07501 619738 Call Profile
5 reviews
Bear Building Services Limited
Emergency
5 reviews
We have F-Gas certified refrigeration engineers delivering precision cooling solutions with environmental compliance.
Trusted Gas Safe and REFCOM accredited HVAC services in Hemel Hempstead. Commercial refrigeration, air conditioning, and heating installation, maintenance, and emergency repairs available 24/7.
Commercial Refrigeration Air Conditioning Domestic Heating
01442 767911 Call Profile
Herts Boilers
15 Years
Emergency
6 reviews
Herts Boilers
15 Years
Emergency
6 reviews
No callout charges during working hours
St Albans' No.1 rated boiler repair service since 2011. Gas Safe registered engineers offering same-day fixes, no callout charges, and transparent pricing across Hertfordshire.
Boiler Repairs Boiler Servicing Boiler Installations
01727 537688 Call Profile
AC Solutions Group
44 Years
Emergency
5 reviews
AC Solutions Group
44 Years
Emergency
5 reviews
We offer 40 years of specialist HVAC experience with manufacturer-certified engineers
Trusted air conditioning specialists serving London and the South East since 1982. Offering installation, maintenance and emergency solutions with 40 years of technical expertise.
Air Conditioning Installation System Maintenance Emergency Hire
01923 608607 Call Profile
5 reviews
TDC Plumbing & Heating
8 Years
Emergency
5 reviews
We are Gas Safe registered for complete compliance and safety assurance
Reliable plumbing and heating services in Ruislip. Specialising in boiler installations, gas safety, and bathroom renovations. Contact TDC Plumbing & Heating today.
Plumbing Boiler Installations Gas Safety Inspections
07738 242923 Call Profile
4 reviews
Orbital Climate
Emergency
4 reviews
30+ years of industry experience with expert personal account managers.
Orbital Climate offers expert air conditioning, ventilation, and renewable energy solutions in London. With 30+ years of experience, we deliver sustainable, energy-efficient systems tailored to your needs.
Domestic Air Conditioning Commercial Air Conditioning Air Source Heat Pump
0800 246 1615 Call Profile
1 review
Ultra Refrigeration
Emergency
1 review
We offer over 20 years of experience in commercial refrigeration design and installation.
Ultra Refrigeration offers cutting-edge refrigeration systems, heat recovery solutions, and temperature control services across the UK. Trusted by food retail, manufacturing, and logistics sectors for energy-efficient, reliable solutions.
Refrigeration Systems Heat Recovery Display Refrigeration
0330 223 2404 Call Profile
4 reviews
The Radiator Centre
22 Years
4 reviews
We offer expert radiator selection advice from experienced professionals
Discover premium designer radiators at The Radiator Centre in St Albans. Explore our collection of stylish, efficient heating solutions for every home.
Designer radiator sales Design consultation BTU calculation service
01727 840344 Call Profile
N C P I Solutions
25 Years
Emergency
4 reviews
N C P I Solutions
25 Years
Emergency
4 reviews
We have 20+ years' experience in critical building infrastructure
N C P I Solutions offers comprehensive building services including HVAC, CCTV, and facilities maintenance since 2001. ISO 9001 certified with 24/7 emergency support for London businesses.
Facilities Maintenance Building Services CCTV Systems
01763 261778 Call Profile
Not rated yet
Chapman Ventilation
Emergency
Not rated yet
We offer 50+ years of specialist HVAC experience in high-profile environments
Chapman Ventilation provides bespoke HVAC systems, maintenance, and sustainable ventilation solutions across the UK and Europe. With 50+ years of expertise, we serve hospitality, industrial, and commercial sectors.
HVAC Installation Ventilation Maintenance Ductwork Fabrication
01707 372858 Call Profile