Our Berk only has a heat pump on the front a/c unit the rear unit is a/c only and furnace separate from either and uses propane. Our's is located under the washer and dryer mid coach. You can look for the exhaust on the outside of the coach to give you an idea where it might be on yours. Heat comes out of registers on the floor in ours.
2011 Berkshire 390-rb-40, upgraded tires and front axle airbags, 2012 Jeep Wrangler 2 door, Blue Ox baseplate and BlueOx aladdin tow bar, Blue Ox Patriot brake system, wiring run through right frame rail and homemade led taillight bar.FB.