Purl's Sheet Metal & Air Conditioning Blog : Archive for July, 2018

The Wrong High-Efficiency Air Filter Might Spell Disaster for Your HVAC System!

Tuesday, July 17th, 2018

pleated-air-filterAlmost any modern home can benefit from air cleaners of some type. Indoor air quality is often poor because homes are built today to seal out the heat in summer and seal it in during winter—and that means not much fresh air circulation.

What type of air cleaner is best for a home? There are plenty of options, and our IAQ experts at Purls Sheet Metal and Air Conditioning are happy to help you find the best. In most cases, improving air quality starts with putting in filters and then finding what other devices might help. Filters are almost always a good idea…

…except when the wrong type of filter goes in. When it comes to high-efficiency filters, such as the HEPA filter, you can have too much of a good thing. Too strong a filter can damage your HVAC system.

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How Leaking Refrigerant Affects an Air Conditioning System

Friday, July 6th, 2018

air-conditioner-unit-being-repairedOne of the more common problems that affects residential air conditioning systems is refrigerant leaks. An AC is designed to work with a specific amount of refrigerant, known as the system’s charge. The AC doesn’t use up the refrigerant as it runs, so under ideal circumstances, the refrigerant will remain at the same charge for the life of the system.

But circumstances are rarely ideal. Leaks can occur along refrigerant lines because of corrosion, and this will allow the refrigerant to escape. When the charge of an air conditioner drops, it will have negative effects on the AC, eventually leading to a complete breakdown. Below are the main ways refrigerant loss affects an air conditioning system.

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