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Graham's Gossip


by Graham Hendra

Heat pump consultant


Legionella madness (26/03/2013 10:11:24)

I'm not an expert and can only comment on what I hear. One of my customers has asked me a question and I need some help?

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CoP killer (26/03/2013 10:08:03)

Over the last few weeks there has been a mini war about CoPs (Coefficients of Performance). There is a new entrant to the market that has made ridiculous claims about the CoPs its heat pumps won't achieve and everyone is up in arms.

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Regulations and calculations (06/02/2013 15:25:11)

I must be getting old - I'm beginning to like regulations

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2012 and all that (07/01/2013 09:16:57)

As we start a new year this week, it's a good time to look back at 2012 and forward to 2013.

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How will the new RHI affect high temperature heat pumps? (07/12/2012 16:15:23)

In the new RHI consultation section 117 it states that the a seasonal performance factor (average COP across the year) must be 2.5 or above to qualify for the RHI payments.

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Green deal phaaa! (05/11/2012 08:57:31)

I'm sorry to keep harping on about it, but by now you will know I live in a draughty old 1920s house with almost no insulation and 15 air changes an hour, the result of it being built by an idiot.

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Happy RHI days ahead! (21/09/2012 14:30:14)

For the last two years I have been telling everyone that the RHI is a pipe dream. I was wrong, sorry.

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Shut up and catch up you backward old t*****s (21/08/2012 12:47:15)

I started in aircon 23 years ago. Back then, the new innovation was the inverter-driven compressor. Over the next 10 years this technology completely took over our industry. The ability for a machine to match the load required completely automatically completely won us all over; now it's almost impossible to buy non-inverter aircon units.

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Aircon can be fun if you're American... and stupid (19/07/2012 11:36:04)

I've just been sent a news item about kids going up on the roof of buildings, not to steal lead but to release the refrigerant from aircon units to grab a cheap high. See http://cbsloc.al/MsmwHP

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Do PTFE and glycol mix? (25/06/2012 14:36:37)

In my role as a heat pump distributor I get asked many and varied questions. People seem to think that if you can size and spec a heat pump you might know the answer to any heating related question.

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