Make certain your thermostat is in the 'HEAT' mode. If you have a standing pilot furnace, make certain the pilot is lit. If your air conditioner will not. Make certain your air filter is clean. A clogged filter causes resistance and interferes with the air flow.
Check fuses at main box and at breakaway box.
Make sure furnace blower door is securely fastened. For Lennox and Carrier air conditioners, hose off any debris that may have fallen into the unit during the fall or winter. These units have drainage holes to remove water. If you have tried all of these suggestions, then you will need to call Westside to have a trained and certified professional to, diagnose the problem. You can place the cells in your dishwasher or let them soak in a bathtub with hot soapy water.