Tech was out today due to no heating. Tech checked system and found multiple issues. Someone else was out cut low-voltage wire to bypass low pressure sensor. Tech found system low on refrigerant. With low pressure sensor bypassed this will cause a system to continue to run. Also freeze up the evaporator coil. Causing system not to cool properly. Let customer know that we need to perform a nitrogen leak search. Customer decline. Also let customer know the list of followings that would need to be replaced to get the system up and running efficiently. Condenser fan motor over amping , oil is leaking from the condenser fan motor this indicates the bearings are going bad outdoor condenser is need to be chemically cleaned , capacitor on unit is needing me to replace. Tech recommends a hard start for the compressor. There is a contactor on The condenser and a contactor on the heat strips. Those will need to be replaced due to pitting and noise. Heat strips would need to be replaced due to rus