Feeling a little warm in the car and the aircon just isn't cooling you as it should? Maybe its time for a recharge. I know it's a little cheaper to lower the window but a whole lot cooler with air con.
Cheapest I've found an never had an issue with ATS or booking through groupon before.
£35.99 (was £60) R134A refrigerant: car air-con recharge (Most vehicles registered before 1 Jan 2017)
£86.99 (was £129.99) R1234YF refrigerant: car air-con recharge (Most vehicles registered after 1 Jan 2017)