Selecting an HVAC is not something you can do with much confidence. At Tarzana Heating and Air Conditioning, not only do we install HVAC systems, but we also help you select the right one for your house. We determine initial cost, service options and operating cost.
Regular maintenance of your heating ventilation and air conditioning units will keep them operating effectively for longer periods of time. 
There are a few things around your house that you can handle on your own, and HVAC installation is not one of them!