[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Landlord's Name] [Landlord's Address] [City, State, ZIP Code] Subject: Notice of Broken, Unsafe, or Inadequate Heater and Demand for Immediate Remedy Dear [Landlord's Name], I hope this letter finds you in good health and high spirits. I am writing to bring a critical matter to your attention that requires immediate attention and resolution. Regrettably, I must inform you that the heater in my rented unit at [Address] is broken, unsafe, and inadequately heating the premises. As winter has set in, the situation has become unbearable and poses potential dangers to my well-being and that of other residents. The heater's malfunction has significantly disrupted the livability and comfort of my dwelling. I have taken all reasonable steps to ensure the issue is not due to any incorrect settings or user error but can confirm that it is a genuine hardware malfunction. The repercussions of the faulty heater are not only limited to the discomfort caused, but it also raises health and safety concerns. The freezing temperatures inside the rental unit are not only inconvenient but can also lead to health complications, particularly for the elderly, children, or individuals with compromised immune systems. I emphasize that these circumstances create a hazardous living environment and should be addressed with utmost urgency. In light of the above, I kindly request that you arrange for prompt repair or replacement of the defective heater. I expect this matter to be of utmost priority considering the season and the potential risks associated with inadequate heating. I firmly believe it is your responsibility as the landlord to ensure the habitability and well-functioning of the rented property. If the necessary repairs or replacement are not initiated within [reasonable timeframe, for example, two business days] of receiving this letter, I will have no choice but to seek legal remedies to protect my rights as a tenant. I truly hope we can resolve this issue amicably and avoid unnecessary escalation or legal actions. To formalize our communication and maintain a record of our correspondence, I kindly request a written response within [reasonable timeframe, for example, five business days] acknowledging this notice and outlining the actions you will take to address the matter. Thank you for your immediate attention to this pressing matter. I trust that you understand the urgency and the potential consequences of neglecting the required repairs or replacement. I look forward to a swift resolution that ensures a habitable living environment. Sincerely, [Your Full Name]