HVAC is actually a collective term that people use, & most have a general idea about what it truly is speaking about. On the other hand, what exactly does HVAC mean? And, how does this apply to a property? Sanjoseheatandair home-services offer full home services in addition to our HVAC solutions, also we may offer you the lowdown on HVAC essentials. As the name suggests the cooling apparatus are mounted in your window. They’re power efficient and enable you to cool one particular area of your residence.