Your AC could be making you sick — experts reveal what you're doing wrong

Do you always have a stuffy nose or headaches indoors? Your AC could be the culprit. Here’s what the experts say and how to avoid AC 'sickness'.
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Experts reveal how to tell if your heating system needs a power flush and what you should do about it before it gets cold

Nicholas agrees, adding that a system flush prior to a new boiler installation 'is important as it will help protect your new boiler's warranty, and ensure that there's no existing sludge and ...