Bristol University – Air Source Heat Pump

Sector:       Education
Category:  Heat Pumps
Project:      Replace sanitary hot water heating – Air Source Heat Pump
Product:     MHI Q-ton System

An air source heat pump installed at Bristol University delivers 2,500 litres per day of sanitary hot water at 65°C. The Q-ton system, manufactured by MHIAE (Mitsubishi Heavy Industries Air Conditioning Europe) has reduced annual running costs by 75% and is saving CO₂ emissions by 67%.

The accommodation block at Bristol University houses 48 students for nine months a year. As with many university halls of residence in the UK, the building was using expensive conventional immersion elements for heating water. The site energy manager was looking for a sustainable solution to be retro-fitted to replace the outdated immersion elements.

The new effective sustainable retrofit solution was fitted by installers ASHP. The MHIAE Q-ton system connects to 1000 litre hot water storage tank to deliver sufficient sanitary hot water to students. The new domestic hot water system has been bought in compliance with the current building regulations and is supplied in line with BREEAM.

Lancaster Hall Hotel – CO² Heat Pump

Sector:       Hotels
Category:  Heat Pumps
Project:      Sanitary hot water heating – Heat Pumps
Product:    MHI 30kw Q-ton System & two 2k litre hot water storage tanks.

A twin 30kw Heat pump system installed at Lancaster Hall Hotel supplies 12,000 litres/day
of domestic hot water at 65°C. The hotel is seeing a substantial 40% saving in running costs, compared to their previous boiler, and 45% savings on carbon emissions.

Situated in the heart of London’s popular Bayswater area, the Lancaster Hall Hotel attracts many tourists and business travellers.

Two 2,000 litre hot water storage tanks were connected to two Q-ton heat pumps supplied by MHI, to ensure the hotel can accommodate sanitary hot water efficiently for all of their customers, all times of day and night.

The hotel’s heating set up consists of two separate boiler rooms with segregated hot water and heating system, using five boilers which run at different pressures in order to cater for around 250 people regularly on site.

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