![]() While it is possible to calculate this manually, it is quite a time-consuming task. It takes into account many different factors, some of which we mentioned previously in this article. The Manual J calculation is used to determine the heating and cooling loads of a particular house or building. Let’s start with the heavy stuff hey! The Manual J or J Load Calculation is a term that any air conditioning professional that you speak to may or may not mention to you – but you can guarantee they will be thinking about it as they walk around your house. We have put together a quick infographic below to help. Keep in mind that you don’t need to 100% understand all this stuff, just having a basic grasp of what each term means will ensure you aren’t bamboozled by jargon. So here are some of the HVAC terms and phrases that you might hear thrown about. Let’s take a look at what you should know. See what I mean? There are so many variables that it would be madness (and probably a waste of money) to try to calculate it yourself.īut you can at least know what you are talking about when the professionals come knocking. For more info see our disclosure statement.Īs I have already mentioned, there are many different factors that a pro will take into account when calculating your ideal air conditioner size. All opinions are our own we pride ourselves on keeping our articles fair and balanced. However, this does not impact our reviews and comparisons. Not only will we arm you with the knowledge to buy an ac unit with confidence, but there is also a handy calculator that will give you quick calculation of the size of the AC Unit you might require, but I can’t stress enough that you really should get an HVAC contractor out to calculate it properly.Īnyway, let’s get on with the actual useful info!ĭisclosure: As an Amazon Associate I earn from qualifying purchases.
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