My apartment is not airtight. I realized that along the baseboards the workers skimped a bit. They used insulation in the walls, plus sort of loosely did it along the floor. Then the wood baseboards hid the shoddy workmanship. I can guess that they did a exhausting task though. The cold air is right around our feet level plus it is horrible. I always have to wear socks plus periodically slippers in the winter. If the issue was our door frame or windows leaking in air, the service would be simple. With the baseboards being the issue, I would have to do some major construction. I would need to tear out the baseboards, part of the wall plus add in insulation. I easily don’t want to do this. However, I suppose I might need to. My heating bills are obnoxiously high. It makes sense though. The oil furnace is set to heat our condo until it is around 73 degrees. When most of the heating is leaking out of the apartment plus the cold air is leaking in, it can’t achieve the temperature control temperature. The oil furnace then just keeps heating plus heating. Not only is this exhausting for the energy bills, however I am sad that our oil furnace will over labor itself. The oil furnace could possibly overheat plus quit. Major oil furnace parts can get worn out doing this. So maybe the labor on the baseboards are not as exhausting as I suppose they are. The expense of the service vs the gas furnace bills should be comparable. Also, I will then have quality heating.