Looking for an experienced handyman or carpenter to remove an existing wall-mounted box air conditioner and install a new Westinghouse unit. The new unit is slightly larger. Work involved: * Remove the old air conditioner. * Slightly enlarge the existing wall opening to fit the new unit. * Reinforce the timber support if required. * Install and secure the new unit and sleeve. * Seal and weatherproof around the unit. * Ensure everything is properly fitted and finished. The new air conditioner is a standard plug-in model. Looking for someone experienced who can complete the job. Please provide a quote.