Tel: 0208 797 3574

Welcome to Dunamis Heating and Mechanical Services

About us

Dunamis (doo-nam-is)

Strong’s definition: power, strength, ability, moral power and excellence.

We at Dunamis believe in making a difference. We stand for excellence and integrity in all that we do. With nearly forty years experience in the Heating, Manufacturing and Building Services industry we formed Dunamis to deliver the highest quality customer services and real value to our clients.

Whether representing your company as Specialist Service Agents, or working directly with our clients we can offer a professional, dedicated team of highly trained and customer focused people who can deliver and exceed your expectations.

For our full Terms and Conditions and any other enquiries please use the contact form below.

Boiler Engineers
Planned maintenance


Dunamis Heating & Mechanical Services Ltd can provide a complete range of practical, cost-effective and energy efficient heating services and installations for industry, commerce and housing. We can also act as service agents to represent your companies for all aspects of field work.

Our professional team, consisting of Gas Safe Registered heating engineers are practised in carrying out a wide range of industrial and commercial heating and associated services including:

  • Commissioning Services
  • Boiler Repairs
  • Boiler Servicing
  • Plant Room Maintenance
  • Gas installations
  • Boiler Installations
  • Heating Installations
  • Under floor heating
  • Central plant rooms maintenance serving multiple dwellings
  • Gas Inspection certificates ( Domestic & Commercial)
  • Power Flushing
  • Pipe Testing & Purging
  • Oil & LPG appliances.
Mitsubishi Air-conditioning
Toshiba Air-conditioning

Through our partnership with one of the leading providers in Air Conditioning and Ventilation systems we can also offer the following services:

  • Consultancy work for appraising existing A/C systems, pumped chilled water systems, maintenance and duct hygiene.
  • Modifications to existing A/C systems
  • Compliance with Refrigerant Handling and replacement. BS EN378/2000
  • Design, Installation and commissioning of new A/C systems, our suppliers include Mitsubishi, Daikin, Toshiba, LG, and Hitachi
  • Duct work installation and modifications to existing ventilation / extract systems
  • Duct work insulation
  • Provide emergency Air Conditioning call out service for sensitive areas within buildings i.e. computer rooms and medical areas

Dunamis Heating & Mechanical Services Ltd can provide a complete range of solar thermal solutions to give cost-effective hot water generation. From flat panel collectors, right up to state of the art direct through-flow vacuum tube collectors offering many installation possibilities.

We can also provide Air to water heat pumps which are usually installed as stand-alone heat generators, but can also be operated in conjunction with another heat producer such as a condensing boiler, and are ideal for under-floor heating systems.

Dunamis has partnered with like-minded client focused companies to deliver a single source solution for all your building management requirements, whether you have one property or several buildings across your property portfolio.

We can offer Planned Preventive and Emergency Maintenance which pays huge dividends in terms of performance and cost, as well as staff and public comfort. We can offer bespoke service level agreements to suit both your needs and your budget. Creating long-term, sustainable and mutually beneficial commercial relationships.

Additional services we can provide include:

  • Building Management Systems (BMS) & Controls
  • Water Treatment Services
  • Electrical Testing & Installations
  • Fire & Security Alarms
  • General & Emergency Lighting
  • Building Fabric & Glazing