Kindly tell me is there any antihypertensive which lowers bp + heart rate & does not cause impotence (ed)?

In a word, no!: All beta blockers exert negative effects on ed.

ED and BP meds: Verapamil can lower the pulse rate and lower blood pressure without any symptoms of ed. It one of the antihypertensive agents called calcium channel blockers (ccb). Side effects of this drug is a slow pulse rate (spr) and some edema of the legs. It should be used with beta-blockers with caution, lest a a patient develops a spr.