If you're still not sure regarding anything you can always pick up the phone and offer us a phone call. https://i7ieeami5g7skziulf6fy55gvrypdwk3etqm5e2f6bbezzsjt3wa.cdn.ampproject.org/c/WWW.Webwiki.ch%2Fwoolichhvac.co.uk%2Fair-conditioning-installation.html