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  1. t4sltd

    VAT rate - 5% or 20%

    We have recently been told by the VAT man that they would consider an installation on a farm outbuilding as eligible for reduced rate as the electricity would be used in a house.
  2. t4sltd

    Average Annual Power Output per pound spent vs Panel Efficiency

    I agree (we install both Sharp Poly and Mono when clients want it). I meant to make the point that the difference between top and bottom is 10% (typically more than the price difference between panel types)
  3. t4sltd

    Average Annual Power Output per pound spent vs Panel Efficiency

    Only independent source of kWh / kW data I know of is Photon text: Solarworld best, Sharp worst, Sanyo not included. Difference 10%. I think you could maybe expect Sanyo to perform 10% better than 'standard' panels e.g. Sharp.
  4. t4sltd

    PV qualification requirements

    Yes I mean become MCS accredited..
  5. t4sltd

    PV qualification requirements

    I got MCS without a course but I have 10 years PV experience and degrees in renewable energy and electrical engineering. If you are competent e.g. know and understand the DTI guide, manufacturer's instructions, 17th edition etc you should be able to pass MCS without going on a course. Ask...
  6. t4sltd

    SB 4000TL - excess power

    If DC power is greater than rated input the inverter alters voltage to keep current within limits, thereby limiting power. This is why Sunnyboy design will let you put 4.9kW on when is says 4.2kW max in; the system will not convert all energy in the height of summer when it backs off but work...
  7. t4sltd

    Working at safe height & manual handling?

    MCS001 requires staff to be trained and competent. There is no requirement for qualifications and they will accept experience on the job: I have been through an ELECSA MCS assessments and don't have W at H, MH or PV certificates (admittedly I have degrees in renewable systems technology and...
  8. t4sltd

    Leads to Jobs

    Thanks, I found Save and Generate created 10 enquiries, none of which were progressed to jobs by the client (or they got wise to commission and bypassed the site)
  9. t4sltd

    Leads to Jobs

    SRE who were you buying leads off?
  10. t4sltd

    Leads to Jobs

    Websites seem to generate a lot of leads but very few jobs - people use them to find out the price I think.
  11. t4sltd

    measuring roofs

    We use a laser level - accurate measurements are important to avoid nasty surprises on site!
  12. t4sltd

    Working at safe height & manual handling?

    No need fo working at height certificate if you go with ELECSA

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