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31 Years
experience
Emergency
services
Your Trusted Partner for HVAC Solutions
Established in 1995, MHL has evolved from a family-owned heating and plumbing business in Oxfordshire to one of the UK's leading commercial and residential maintenance providers. Our head office in Gloucestershire serves as the hub for over 100 industry professionals delivering gas, heating, air conditioning, plumbing, and electrical services nationwide. We pride ourselves on a modern, innovative approach that prioritises complete technical proficiency and exceptional customer service. With three decades of experience, we specialise in critical system maintenance for both business premises and domestic properties. Our Gas Safe registered engineers and Worcester-approved status underscore our commitment to industry excellence.

We provide nationwide coverage for boiler installations, gas safety certificates, and emergency repairs. Our team combines technical expertise with a client-focused ethos to ensure reliable solutions for heating, ventilation, and electrical systems. From commercial boiler replacements to domestic HIU maintenance, we deliver tailored services that meet evolving client needs. Our reputation as the highest-rated commercial boiler installers in the UK reflects our dedication to raising industry standards. Whether you require a fixed-price quotation for a nationwide site survey or urgent plumbing repair, MHL offers comprehensive, trustworthy solutions for all your maintenance requirements.
Services
Boiler Maintenance Gas Safety Certificates Air Conditioning Repair Electrical Inspections Plumbing Services Heat Pump Maintenance HIU Maintenance Commercial Boiler Replacement TM44 Inspections Water System Servicing
Details
  • Year established: 1995
Highlights and features
  • We have over 30 years' experience in HVAC maintenance across the UK
  • Our team comprises 100+ Gas Safe registered engineers
  • We offer nationwide coverage for commercial boiler installations
  • We maintain Worcester Bosch approved installer status
  • We provide 24/7 emergency response for critical system failures
Associations and certifications
  • Gas Safe Register
  • Worcester Bosch
  • OFTEC
What people say
Exceptional customer service Technical proficiency Nationwide coverage Reliable solutions Prompt response
Services
Commercial Boiler Replacement
We specialise in commercial boiler replacements for businesses nationwide. Our Gas Safe registered engineers assess your heating requirements and specify the most efficient boiler system for your premises. With over 30 years' experience, we ensure seamless installations that maximise energy efficiency and system longevity.
Gas Safety Certificates
Our certified engineers provide comprehensive gas safety inspections for commercial and domestic properties. We issue Landlord Gas Safety Records and catering gas certificates, ensuring compliance with UK regulations. Our nationwide service guarantees timely certification for all property types.
Air Conditioning Maintenance
We offer TM44 inspections and routine maintenance for commercial air conditioning systems. Our engineers optimise system performance, improve energy efficiency, and ensure compliance with environmental regulations. Preventative maintenance plans reduce breakdown risks and extend equipment lifespan.
Electrical Safety Inspections
Our NICEIC-approved contractors conduct EICR inspections and electrical installations. We identify potential hazards, ensure regulatory compliance, and provide detailed reports with recommended remedial actions. Emergency electrical repairs are available through our nationwide service network.
Plumbing Repair Services
We provide urgent plumbing repairs for burst pipes, heating failures, and water system malfunctions. Our 24/7 response team operates nationwide, with same-day call-out available for critical commercial systems. Preventative maintenance packages help avoid unexpected breakdowns.
Questions
What areas do you cover for commercial boiler installations?
We provide nationwide coverage for commercial boiler installations across the UK, including all major cities and rural locations.
How quickly can you respond to emergency heating failures?
Our emergency response team typically arrives within 4 hours of your call for critical heating system failures in commercial premises.
Are your engineers Gas Safe registered?
Yes, all our gas engineers hold current Gas Safe registration and undergo regular technical training updates.
Do you offer maintenance contracts for air conditioning systems?
We provide comprehensive maintenance plans including TM44 inspections, filter replacements, and system efficiency optimisation for commercial HVAC systems.
What boiler brands do you work with?
We service and install all major boiler brands including Worcester Bosch, Vaillant, Baxi, and Ideal, with specialist expertise in commercial systems.
Can you provide electrical safety certificates?
Our NICEIC-approved contractors issue EICR certificates and conduct full electrical system inspections to meet regulatory requirements.