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Domestic & Commercial  
Air Conditioning 
creating the right climate 

Commercial Air Conditioning 

Air 2 Air Solutions can design and install your office, office block or hotel with suitable air conditioning capable of heating and cooling in seperate areas at the same time. We can include freah air ventilation systems as well as heat recovery. 
 
Below is an explanation on some of the system that we use. 
 
 
Ventilation and Heat Recovery 
 
Why Consider A Heat Recovery & Ventilation System? 
 
Every home needs fresh air to come into the building from outside for you to breathe, and for the safe operation of combustion appliances. It’s also vital that stale and damp air and pollutants are removed – both for your health, and the integrity of the building. Opening windows and doors – so-called purge ventilation – teamed with extractor fans in kitchens and bathrooms will do the job, but of course causes heat loss. 
 
To ensure that you are saving energy but also creating a healthy home, it’s vital to consider how the house is ventilated. Whole mechanical ventilation with heat recovery (MVHR) systems are a solution. They exchange stale air for fresh air, and recover heat in the process. 
 
 
What Is A Heat Recovery And Ventilation System? 
 
An MVHR system will extract the warm, moist air from rooms such as kitchens and bathrooms. This is done through a concealed duct system. The air is passed through a heat exchanger then ducted outside. Fresh air from outside is drawn in and passed through the heat exchanger, which warms it, and it’s then ducted to the living rooms and bedrooms. Some systems have a feature so that when it’s warm outside, the air can bypass the heat exchanger to help keep the house cool. 
 
VRV & VRF 
 
What is VRV or VRF? 
 
VRV is a system developed and designed by Daikin Industries and means “variable refrigerant volume”. Daikin protected the term VRV so other manufacturers use the term VRF “variable refrigerant flow”. In principle they both work the same and are extremely efficient, reliable, energy saving ways to heat and cool all types of buildings with minimum installation time or disruption. 
 
The volume or flow rate of refrigerant is accurately matched to the required heating or cooling loads thereby saving energy and providing more accurate control. 
 
In short, they are probably the best systems currently available for mid to large applications. 
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Air Source Heat Pump 
 
Air source heat pumps explained 
 
Discover how air source heat pumps work 
Air source heat pump costs and payback times revealed 
Pros and cons of installing an air source heat pump 
Things to consider when getting a heat pump 
 
An air source heat pump (ASHP) is usually placed outside at the side or back of a property, and takes heat from the air and boosts it to a higher temperature using a heat pump. This heat is then used to heat radiators, underfloor heating systems or even warm air convectors and hot water in your home. 
 
The pump needs electricity to run, but the idea is that it uses less electrical energy than the heat it produces. 
 
Ground source heat pumps are also available. They draw heat from the ground via a network of water pipes buried underground, usually in your garden. See our separate guide to ground source heat pumps for more details. 
 
 
Air source heat pump costs and savings 
 
ASHPs are cheaper than ground source heat pumps. The Energy Saving Trust (EST) estimates that the cost of installing a typical ASHP system into a detached home ranges between £6,000 and £10,000. 
 
The payback period (the time it takes for the cost of the system to be recouped in energy savings) depends on how efficiently your system works, the type of system you’re replacing, whether you can get money with the RHI and how you’ll be using the heat generated from the pump. 
 
The EST says that an average performing air source heat pump could save between £150 (replacing oil) and £530 (replacing electric heating) a year. The government has estimated that the RHI would pay an extra £500 a year. 
 
 
Here are some general rules of thumb to bear in mind: 
 
Like ground source heat pumps, air-to-water ASHPs work better with underfloor heating systems. If underfloor heating is not possible, large radiators should be used. This is because the heat generated by the heat pump is not as high as that produced by a conventional boiler, so a larger surface area is needed to achieve similar temperatures in your home. 
 
Air-to-water heat pumps could be better suited to new-build properties than retrofit – this is because costs could be reduced if the heat pump is included as part of the building specification, rather than having to retrofit underfloor heating later on. 
 
Heat pumps can save you more on your heating bills if you’re replacing an electric, LPG or coal system, rather than gas. 
 
A well-insulated house is essential to best optimise the heat generated by your ASHP – otherwise the heat the pump is generating escapes more easily. 
 
Once in place, the heat pump should require little maintenance. 
 
Heat pumps qualify for the Renewable Heat Incentive (RHI) Premium Payment (a one-off grant of £1,300) until 31 March 2014, and will be eligible for the full RHI in spring 2014.