Services

From design to installation, API Mechanical delivers complete HVAC solutions for commercial and industrial projects nationwide.

Public Health

At API Mechanical (UK), we deliver comprehensive public health engineering solutions that support safe, efficient, and hygienic environments across a wide range of commercial and industrial sectors.

Our public health services cover the full design, coordination, and installation of building services systems, including plumbing, electrical, gas, HVAC, air conditioning, ductwork, and associated infrastructure. This includes full bathroom and welfare area installations, commercial kitchen fit-outs, pipework, drainage, appliance connections, and hot and cold water distribution systems, all designed and delivered in full compliance with current regulations and industry standards.

Working closely with contractors, facility managers, and end clients, we take a coordinated, compliant, and practical approach to public health systems, prioritising hygiene, efficiency, safety, and long-term reliability.

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Commercial & Industrial Services

  • Pipework installations
  • Gas appliance servicing & emergency call-outs
  • Commissioning, testing & gas purging
  • Hot tapping and line stopping
  • Pipework decommissioning
  • Plant room installations & upgrades
  • Ongoing maintenance packages
  • Boiler replacements & upgrades

We are an approved installer for leading product and OEM manufacturers.

Trusted by leading brands across the UK.

Contact us to discuss your commercial/industrial project

Commercial Gas

  • Gas boiler installation and repairs
  • Gas leak detection and repair
  • Gas pipe installations
  • Gas appliance fitting and servicing
  • Commercial gas pipeline installation, testing, purging & decommissioning
  • Commercial boiler installation and commissioning

From pipelines to boilers, our Gas Safe engineers are here to help.

Request your free installation quote today

Heating

At API Mechanical (UK), we provide reliable commercial heating solutions designed to deliver efficient, safe, and consistent thermal performance across a wide range of commercial and industrial environments.

Our services include the design, installation, and coordination of commercial heating systems, including boilers, plant rooms, distribution pipework, controls, and associated mechanical infrastructure. All systems are delivered in full compliance with current regulations and are engineered to meet operational demands, energy efficiency requirements, and long-term reliability.

We work closely with contractors, facility managers, and end clients to deliver heating systems that are practical, compliant, and built to perform throughout the lifecycle of the building.

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Gas Maintenance

  • Planned preventative maintenance (annual & bi-annual)
  • Boiler servicing and efficiency checks
  • System descales and chemical cleaning
  • Gas pipework repairs and upgrades
  • Full Gas Safety Certificates & compliance reports
  • Diagnostics and fault-finding with on-site solutions
  • Maintenance for large-scale facilities such as airports, hospitals, prisons, power stations, and industrial sites

Reduce downtime and keep your systems running efficiently.

Book a maintenance package with our expert team

Testing & Commissioning

Ensure your mechanical and electrical systems are safe, efficient, and fully compliant through comprehensive testing and commissioning services for any gas and electrical needs.

  • Gas pipeline strength and pressure testing
  • Electrical system inspection and verification
  • Functional testing of installed services
  • Appliance & Equipment Commissioning
  • Gas-fired appliance commissioning
  • Verification of safe operation in accordance with applicable standards
  • Safety Checks & Certification
  • Certified inspections for commercial and industrial installations
  • Annual, stand-alone, or tailored safety testing programs
  • Issue of Gas Safety and Electrical Compliance Certificates
  • Assurance of compliance with current regulatory requirements

Ensure your systems are correctly tested, commissioned, and certified — schedule your testing and commissioning service today.

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Commercial Ducting

Professional commercial ducting installation and maintenance to ensure optimal airflow and efficiency in your building systems. Our experienced team designs and installs ductwork tailored to your facility’s specific heating, cooling, and ventilation requirements.

We use high-quality materials and precision fitting to minimise energy loss and improve indoor air quality. With regular inspections and maintenance, we help extend system lifespan and maintain peak performance year-round.

Get a free quote

Commercial & Industrial Services

  • Pipework installations
  • Gas appliance servicing & emergency call-outs
  • Commissioning, testing & gas purging
  • Hot tapping and line stopping
  • Pipework decommissioning
  • Plant room installations & upgrades
  • Ongoing maintenance packages
  • Boiler replacements & upgrades

We are an approved installer for leading product and OEM manufacturers.

Trusted by leading brands across the UK — contact us today to discuss your commercial or industrial project.

Get a free quote

Air Conditioning

Complete air conditioning installation, repair, and maintenance services across commercial properties. Our skilled engineers deliver tailored cooling solutions to maintain consistent comfort and efficiency throughout your building.

We work with leading HVAC brands to ensure durable, energy-efficient systems that meet modern performance standards. From initial design to ongoing maintenance, we guarantee reliable service and minimal downtime for your business.

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Complete HVAC Solutions

Comprehensive HVAC solutions including heating, ventilation, and climate control systems for all commercial properties. We provide end-to-end services from system design and installation to testing and ongoing maintenance.

Our integrated approach ensures optimal energy efficiency, comfort, and compliance with industry standards. Whether it’s a new build or a retrofit, we deliver reliable solutions tailored to your specific operational needs.

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Commercial Drawings

Professional technical drawings and CAD services for HVAC system design, planning, and installation specifications. Our detailed schematics ensure every component fits seamlessly within your project’s layout and performance goals.

We collaborate closely with architects, contractors, and engineers to deliver precise and compliant designs. From concept to construction, our drawings support accurate installation and efficient project delivery.

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Commercial Kitchens

Professional kitchen solutions including extraction systems, ventilation, and climate control for restaurants and catering facilities. We design and install efficient systems that ensure safe air quality, proper heat management, and full compliance with commercial regulations.

Our engineers provide tailored layouts to optimise airflow and reduce energy consumption. From installation to maintenance, we deliver reliable performance that keeps your kitchen running smoothly.

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Cooling Systems

Advanced cooling system installation and maintenance including chillers, cooling towers, and industrial refrigeration. Our expert team provides tailored cooling solutions to maintain precise temperature control across large commercial and industrial environments.

We focus on system efficiency, durability, and compliance with environmental standards. From design to servicing, we ensure dependable performance and reduced operational costs for your business.

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