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Expert HVAC & Refrigeration Maintenance Services
Myddleton Refrigeration Services has been delivering specialist HVAC and refrigeration maintenance solutions for over 30 years. As a family-owned business operating from Stevenage, Hertfordshire, we serve clients across the UK with tailored planned preventative maintenance programs. Our expertise spans diverse sectors including supermarkets, healthcare facilities, industrial warehouses, and hospitality venues, ensuring equipment compliance with F-Gas regulations and health & safety standards. With ISO 9001 certification and engineers trained to FGas Category 4, PASMA, and IPAF standards, we combine technical excellence with operational flexibility.

Our approach prioritizes energy efficiency, equipment longevity, and environmental sustainability while maintaining 100% compliance with warranty conditions and insurance requirements. We administer comprehensive PPM schedules, allowing clients' in-house teams to focus on reactive tasks. Our accreditations from SafeContractor and Altius reflect our commitment to quality assurance and continuous improvement in commercial aircon servicing, refrigeration case cleaning, and industrial plant maintenance.
Services
HVAC maintenance Refrigeration cleaning Condenser coil cleaning Evaporator maintenance PPM administration Cold room servicing Mortuary equipment cleaning Industrial plant cleaning F-Gas leak testing Commercial aircon servicing
Highlights and features
  • 30+ years' specialist experience in HVAC and refrigeration maintenance
  • Customised PPM contracts with nationwide service coverage
  • Fully compliant with F-Gas regulations and health & safety standards
  • ISO 9001 certified quality management systems
  • Engineers trained to FGas Category 4, PASMA, and IPAF standards
Associations and certifications
  • ISO 9001
  • SafeContractor
  • Altius
What people say
Excellent service Always reliable Professional team Brilliant service Unbelievable company
Services
HVAC maintenance
Our HVAC maintenance ensures commercial air conditioning systems operate at peak efficiency while maintaining F-Gas compliance. Regular servicing improves energy efficiency by up to 30%, reduces carbon footprint, and extends equipment lifespan. Our FGas-certified engineers perform filter changes, coil cleaning, and leak testing to maintain warranty conditions and regulatory compliance. We service single-site businesses and multi-location retailers across healthcare, hospitality, and industrial sectors.
Refrigeration cleaning
Specialist refrigeration cleaning services maintain food safety standards and equipment efficiency. Our team performs condenser coil cleaning, evaporator maintenance, and drain sanitisation to prevent bacterial growth and blockages. Regular cleaning reduces energy consumption by removing debris that causes units to work 30% harder. We service supermarket display cases, cold rooms, and industrial refrigeration systems across the UK, ensuring compliance with food hygiene regulations.
PPM administration
Comprehensive PPM administration manages maintenance schedules for multi-site clients. We coordinate visits, conduct risk assessments, and compile audit reports with photographic evidence. Our system ensures compliance with F-Gas regulations and warranty conditions while reducing unplanned downtime. Clients benefit from dedicated account management and flexible contract terms tailored to operational requirements across retail, healthcare, and industrial sectors.
Cold room servicing
Cold room servicing maintains temperature integrity and hygiene standards in food storage facilities. Our engineers clean evaporators, condensers, and drainage systems to prevent ice build-up and bacterial contamination. Regular maintenance ensures compliance with food safety regulations and prevents costly breakdowns. We service retail cold rooms, pharmaceutical storage facilities, and industrial cold chain warehouses across the UK with scheduled and emergency call-out options.
Mortuary equipment cleaning
Specialist mortuary equipment cleaning maintains hygiene standards in funeral parlours. Our team cleans refrigeration units, air conditioning systems, and ventilation equipment to control pathogens and chemical vapours. Evaporator and condenser maintenance ensures optimal temperature control (2-4C) for body preservation. We provide one-off deep cleans or scheduled maintenance contracts with compliance documentation for funeral industry clients across the UK.
Questions
What HVAC maintenance services do you offer?
We provide comprehensive HVAC maintenance including filter changes, coil cleaning, condensate pump maintenance, and F-Gas leak testing for commercial air conditioning systems across the UK.
How often should refrigeration equipment be serviced?
Service frequency depends on equipment type and usage, but we recommend quarterly maintenance for critical systems and annual checks for less demanding applications.
Are your engineers certified for refrigeration work?
All our engineers hold FGas Category 4 certification with additional training in PASMA, IPAF, and UKPIA standards for comprehensive technical competence.
Do you service multiple locations nationwide?
Yes, we manage PPM contracts for clients with single sites or multiple locations across the UK, including major retail chains and facility management companies.
How do you ensure compliance with regulations?
We maintain ISO 9001 standards, provide SafeContractor/Altius accredited services, and ensure all work meets F-Gas regulations and health & safety requirements.
What areas do you cover?
Based in Stevenage, Hertfordshire, we provide services throughout the UK including London, the South East, and nationwide locations for all our maintenance contracts.