• Ground Source Heat Pumps

    Ground Source Heat Pumps collect heat from the ground using a network of pipes buried either horizontally in trenches or vertically in boreholes. Read More
  • Air Source Heat Pumps

    Air source heat pumps are easy to retrofit and provide effective space heating and hot water for homes and commercial properties. They are also a very efficient way of heating swimming pools.  Read More
  • Biomass

     Biomass boilers burn wood chip or wood pellets to produce water at the same temperature as oil or gas boilers, but the fuel comes from a sustainable supply rather than a fossil fuel. Read More
  • BlueGen Fuel Cell

    BlueGen uses a ceramic fuel cell to convert natural gas into electricity and heat for hot water for homes and other buildings Read More
  • Mechanical Ventilation with Heat Recovery (MVHR) systems

    MVHR – Mechanical Ventilation with Heat Recovery MVHR – Mechanical Ventilation with Heat Recovery is exactly that! It provides a balanced ventilation system and clean air, whilst retrieving most of the heat from the stale air which is pumped out of the building.     Read More
  • Mechanical Ventilation & Heat Recovery (MVHR)

    MVHR systems ventilate the building without wasting heat making them particularly well suited to properties with a renewable heating system. Read More
  • Rainwater Harvesting

    Rainwater harvesting helps conserve our most precious of natural resources: water.  Why use drinking water to flush your toilet? Read More
  • Solar Thermal

    Solar thermal uses free solar energy to heat the water in your house. Read More
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What Our Clients Say

  • Solar Thermal System

    May 2016

    A client with a solar thermal system which had been installed by another company, and never functioned properly.

    "Yes, it seems to be working very well! Your two guys were very professional and polite and got the job done. With this weather we have some very hot water. When I get 5 mins I will look through the documentation to work out how I want to run it but at the moment I am very pleased to have not turned the boiler on since you left! 
    Many Thanks for your help in getting this sorted."    
    Mr B, Oundle 

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Latest Blog Entries

Manifold failure - cause and effect

As with any complex system comprising of numerous parts - some individual components are relatively unknown. A good example of this is the humble manifold chamber - an essential but low profile part of a ground source system (they are usually buried in the ground!)

 A manifold chamber takes all of the pipes carrying the heat from the ground (usually 6 ports, but can be as many as 20 ) and converts them to two larger header pipes which go on to the heat pump itself.

The best MVHR system is the one that you don't know is there!

We are increasingly being asked to quote for the installation of Mechanical Ventilation and Heat Recovery systems (MVHR). Self builders will be only too aware that in their quest for better insulated and air-tight properties, building regulations are becoming ever more stringent and in order to comply with Part F for ventilation there is often a requirement to install MVHR.
The basic principle of MVHR is that it sucks warm stale air out of kitchens and bathrooms etc, extracts the heat to reuse, and feeds filtered fresh air back into the room. Although there is an extra cost involved, it does ensure an indoor air quality which "feels" like the outside, as well as moisture and odour management. It also avoids the need for trickle vents in windows - which as well as being irritatingly primitive, can look tacky!

Pipe scrapings!

For those of you who are interested in this sort of nitty gritty..

The photo below shows the contents taken from a strainer on the pipework from a ground loop into one of our heat pump systems. The system was just 5 months old at the time of the inspection....

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