Hypertension. Any suggestion please!

Hi iam 49 year old suffering from hypertension since 8 years and iam taking medicine at morning and night 1 My bp always high at doctor office(177/94) due to anxiety+AC. but at home it was always normal. Iam intolerant to AC. 2 recently i traveled in AC car again cant tolerate to Ac and checked my bp i was high and also I went in non AC car i checked my bp i was normal  3 recently went to showroom which was full of Air conditioned cant tolerate AC smell and again i checked my bp at home i was raised(160/94). In AC my stomach will bloat, vomiting issues and face turns to light red. And also to confirm my self i routinely checked my bp at home since 1 month 1 Morning - it always 116/78, 118/80, 120/79 2 Around 11;30am - it was 125/82, 128/79, 132/86 3 after noon - 136/84, 132/80, 133/84 4 evening - 135/87, 133/82, 135/90 5 night - 118/78, 120/79  always <125/80 So how to overcome this issue any suggestion please