history central heating coal fired stern

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
history central heating coal fired stern	1.3	0.3	5029	9	40
history	0.57	0.5	5263	22	7
central	0.57	0.5	3884	99	7
heating	0.51	0.1	9546	95	7
coal	0.21	0.5	1439	76	4
fired	1.77	0.2	5884	70	5
stern	0.2	0.7	111	86	5

Keyword	CPC	PCC	Volume	Score
history central heating coal fired stern	0.02	1	6421	85
history of central heating	0.33	0.2	5487	23
coal fired central heating	1.92	0.8	6132	93
history of central heating uk	1.9	0.5	5856	22
inventor of central heating	1.22	0.4	9294	22
who invented central heating	0.94	0.7	539	76
when was central heating invented	0.24	0.6	3475	10
first central heating in uk	0.03	0.4	5791	31
casteel heating and air history	1.42	0.8	470	87
when did central heating become common	0.6	0.3	6394	23
first central heating systems	1.04	0.9	9173	55
early central heating systems	0.93	0.8	7173	22
who invented the central heating system	0.7	0.8	7350	89
who created central heating systems	0.34	0.8	65	8
coal burning furnace history	0.7	0.2	5093	36