Table 1.  Appliances in U.S. Households, Selected Years, 1980-2001
	Survey Category	Survey Year
		1980	1981	1982	1984	1987	1990	1993	1997	2001
	Number of Households (millions)	82	83	84	86	91	94	97	101	107
	Air-Conditioners 1, 2	(percent of households)
	Central	27	27	28	30	34	39	44	47	55
	Individual Room Units	30	31	30	30	30	29	25	25	23
	None	43	42	42	40	36	32	32	28	23
	Electric Appliances
	Clothes Dryer	47	45	45	46	51	53	57	55	57
	Clothes Washer	74	73	71	73	75	76	77	77	79
	Computer, Personal	NA	NA	NA	NA	NA	16	23	35	56
	Dehumidifier	9	9	9	9	10	12	9	NA	11
	Dishwasher	37	37	36	38	43	45	45	50	53
	Evaporative Cooler	4	4	4	4	3	4	3	NA	3
	Fan, Ceiling	NA	NA	NA	NA	NA	NA	54	61	65
	Fan, Whole House	NA	NA	8	8	9	10	4	NA	NA
	Fan, Window or Ceiling	NA	NA	28	35	46	51	60	NA	NA
	Freezer, Separate	38	38	37	37	34	34	35	33	32
	Oven, Microwave	14	17	21	34	61	79	84	83	86
	Pump for Swimming Pool 3	3	4	3	NA	NA	5	5	5	6
	Pump for Well Water	NA	NA	NA	NA	NA	15	13	14	13
	Range (stove-top burner)	54	54	53	54	57	58	61	60	60
	Refrigerator (one) 4	86	87	86	88	86	84	85	85	83
	Refrigerator (two or more)	14	13	13	12	14	15	15	15	17
	Television Set (any type)	98	98	98	98	98	99	99	NA	NA
	Television Set (b/w)	51	48	46	43	36	31	20	NA	NA
	Television Set (color)	82	83	85	88	93	96	98	99	99
	Waterbed Heaters	NA	NA	NA	10	14	15	12	8	5
	Gas 5  Appliances
	Clothes Dryer	14	16	15	16	15	16	15	16	17
	Heater for Swimming Pool 6	(s)	(s)	(s)	1	1	1	1	1	1
	Outdoor Gas Grill	9	9	11	13	20	26	29	NA	NA
	Outdoor Gas Light	2	2	2	1	1	1	1	1	(s)
	Range (stove-top burner)	46	46	47	45	43	42	38	39	39
	Kerosene Appliance
	Portable Heater	(s)	1	3	6	6	5	3	2	2
	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.