Apartment Heating Repair Request

You rent an apartment managed by Mr. Reed. The heating system has not worked properly for three days, and the apartment becomes very cold at night. You already left one phone message, but no one has contacted you about a repair appointment.

给 Mr. Reed 写一封邮件，并完成以下要求：

• Describe the problem in your apartment.
• Explain how the problem affects you.
• Ask when the repair can be completed.

请尽量用完整句作答。目标： 词 · 时间：7 分钟