Are you talking about static heaters or portable heaters if it's the later I doubt you will find much in BS7671 most likely find the info you require in the CoP ISITEE (PAT CoP)
Are you talking about static heaters or portable heaters if it's the later I doubt you will find much in BS7671 most likely find the info you require in the CoP ISITEE (PAT CoP)
Many even cheap ones have some form of Tilt/lift switch and thermal cutouts for poor air flow in posher models.
(Unattended use is always risky with curtains / posters on walls ..and earth tremmors from fracking!)
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