Customer has an excessive humidity issues will give estimate to install a dehumidifier , 195 to seal air leaks around return , it will cost 2395.00 to install whole house dehumidifier, also I recommend having plumbing looked at as well correcting the pool issues he currently has…customer want seal air leaks around return plenum he will have plumber make sure there is no slab leaks…customer want to make sure there is no slab leak …if there is not a slab leak customer will call us to order dehumidifier .thermostat is not centrally located i recommend centrally locating thermostat for a more accurate reading.,,also thermostat is also located next to utility room which contain washer and dryers when appliances are running it will raise humidity…I did seal return leaks