New homeowner- don't know how HVAC works!
Your heating and air conditioning may be one system or two. A heat pump does both heating and AC. But if you have a furnace, then there will be a separate air conditioning unit. Typically, the heat pump or AC compressor unit is outside the house, sitting on a small concrete slab. It requires little maintenance, and that is normally done by a professional. If you have a furnace, it may be in the basement or a closet.
There are electric and gas furnaces. You could have either one. You can tell if you have gas appliances if you receive a bill from your local gas company every month. Gas appliances might include a furnace, a clothes dryer, and a water heater.
Water heaters are either gas or electric. If gas, it usually resides in a closet or garage, while electric ones are often in basement or crawl space under the house.
In appearance, they are metal, usually white, cylinder-shaped.
You could probably find a friend, co-worker, or neighbor who would walk you through the house, pointing out useful information like this. I'd recommend it (partly because it takes too much typing to go on).
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- 21 "Expert Picks" for Fail-Safe Colors
- Garden Paths: 12 Easy-to-Imitate Stone Walkways
- 20 Ways to Make a Small Bathroom Big
- 9 Incredible Faux Finishes Possible with Paint
- 10 Sly Spots Where You Can Stash Your Storage Stuff
- 10 Eye-Catching Options for Your Front Door
- 10 Room Dividers to Bring Order to Your Space
- 11 Creative Garden Borders You Can Make—Easily!
- Tips and Tricks to Fit More into Less Closet Space
- Secret Rooms: 10 Special Spaces Hidden from Sight