Table D8.  Appliances in Mountain Households, Selected Years, 1980-2001
	Survey Category	Survey Year
		1980	1981	1982	1984	1987	1990	1993	1997	2001
	Number of Households (millions)	4	4	4	5	4	5	5	6	7
	Air-Conditioners 1, 2	(percent of households)
	Central	29	20	32	35	28	29	32	34	41
	Individual Room Units	14	13	10	15	12	14	9	14	10
	None	57	67	58	50	60	57	59	51	49
	Electric Appliances
	Clothes Dryer	52	54	55	54	59	60	65	61	70
	Clothes Washer	75	79	77	72	77	80	77	77	80
	Computer, Personal	NA	NA	NA	NA	NA	18	26	40	59
	Dehumidifier	1	1	1	(s)	1	2	2	NA	1
	Dishwasher	47	40	46	53	57	50	52	57	62
	Evaporative Cooler	28	34	35	33	32	39	30	NA	26
	Fan, Ceiling	NA	NA	NA	NA	NA	NA	51	62	65
	Fan, Whole House	NA	NA	4	3	6	5	5	NA	NA
	Fan, Window or Ceiling	NA	NA	16	25	44	43	55	NA	NA
	Freezer, Separate	36	37	43	40	37	37	43	34	35
	Oven, Microwave	22	20	30	47	72	84	88	84	91
	Pump for Swimming Pool 3	3	2	4	NA	NA	2	4	6	5
	Pump for Well Water	NA	NA	NA	NA	NA	7	10	10	9
	Range (stove-top burner)	66	65	68	66	63	65	73	70	72
	Refrigerator (one) 4	90	90	88	90	85	89	86	86	82
	Refrigerator (two or more)	9	9	11	10	15	11	14	13	18
	Television Set (any type)	99	97	96	97	96	99	99	NA	NA
	Television Set (b/w)	45	41	35	38	32	29	19	NA	NA
	Television Set (color)	84	81	86	89	92	97	98	99	98
	Waterbed Heaters	NA	NA	NA	27	28	23	21	14	5
	Gas 5  Appliances
	Clothes Dryer	8	10	10	9	11	12	8	9	4
	Heater for Swimming Pool 6	(s)	(s)	(s)	(s)	2	(s)	(s)	(s)	1
	Outdoor Gas Grill	7	8	11	13	23	29	37	NA	NA
	Outdoor Gas Light	3	1	1	(s)	1	(s)	(s)	1	(s)
	Range (stove-top burner)	35	33	32	34	37	36	27	28	28
	Kerosene Appliance
	Portable Heater	(s)	(s)	1	2	2	2	(s)	1	(s)
	1 Air-conditioning units may be powered by electricity or natural gas.
	2 Households with both central air-conditioning and individual room units are counted only under "Central."
	3 In all survey years except 1993, all reported swimming pools were assumed to have electric pumps for filtering and
	circulating water.  In 1993, the survey explicitly asked about filtering systems.
	4 Less than 0.5 percent of households lacked a refrigerator.
	5 "Gas" means natural gas or liquefied petroleum gases.
	6 For the years 1984 and 1987, the heater-for-swimming-pool category includes heaters for Jacuzzis and hot tubs.
	NA = Not Available.
	(s) = Less than 0.5 percent of households.
	Note:  Data are available only for the 9 years shown above (years for which surveys were conducted).
	Sources:  Energy Information Administration, Form EIA-457, "Residential Energy Consumption Survey" for each year shown.