In the recent hot weather the house has been plenty cool enough downstairs (between 21°C and 22°C) but it's been getting a bit warm upstairs (typically around 24°C to 25°C in the bedroom). This is with the MVHR running continuously in cooling mode, as that can only provide about 1.4 kW of cooling capacity, split across all the rooms in the house.
I've been kicking myself since the house was first built that I didn't allow provision for installing a split aircon unit high up in the c
I've opted for a Toshiba Mirai RAS-10BKVG-E, 2.5 kW, 9,000Btu unit in the end. Bit of a palaver ordering all the right bits, but the total for everything, including 4m pre-made up pipes, trunking, cable and both a vacuum pump and set of manifold gauges, has come to about £750. That's £500 less than the price I was quoted for a no-name Chinese unit installed. The warranty is a problem, as by opting for a DIY install I'll lose the Toshiba warranty, but, on balance, I think that's worth taking a