Renting a constantly cold and drafty house

Renting a constantly cold and drafty house

Hi everyone, I tried looking in the memories for an answer but I didn't see anything. My Mom is currently renting a house, and we're having a hard time keeping it warm. Even with the heater on the house is always uncomfortably cold, we can feel cold air constantly rushing in from the drafty doors and windows, and the front door even has a visible gap in the top that lets cold air in. We've been relying on draft blockers and space heaters to help, but the house is still cold. We live in the San Francisco Bay Area so this isn't a life or death heating issue. The house isn't unlivable just uncomfortable, especially for my Mom who gets a lot of aches and pains in the cold. My question is if there is some way we can get the landlord to fix the gaps and drafts that is keeping the house so cold. Trying to get this guy to do any repairs has been a huge pain in the past, and I figured I'd ask here before I called him up and started dealing with him. Thanks =)
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