以下是一份暖房派对的英语邀请函模板：

[Your Name]

[Your Address]

[City, State, Zip Code]

[Email Address]

[Phone Number]

[Date]

[Recipient's Name]

[Recipient's Address]

[City, State, Zip Code]

Dear [Recipient's Name],

I hope this letter finds you well. I am writing to invite you to a special event - a Warm-up Party for [Occasion or Activity], which will be held [Time] at [Location].

As a prelude to the main event, this Warm-up Party will offer an opportunity for us to gather, socialize, and enjoy some delicious food and drinks. We will have [Entertainment or Activities] to keep us entertained throughout the evening.

Your presence will make this event even more memorable, and we are excited to have you join us. Please let us know if you are able to attend by replying to this email or contacting me at [Phone Number].

We look forward to seeing you and catching up with old friends and making new ones.

Best regards,

[Your Name]