While I stand by my statement, “I will never purchase a home warranty for myself,” if the seller wants to pay for one, there is a company I’d recommend. Due to the major complaint that home warranties don’t cover much, and many times you end up paying for a repair person to come out and not be able to perform, Buyer’s Home Warranty Company (www.bhwc.com) is the only company I know of that has a “no fix, no pay” policy. That’s right, if the repair person cannot fix the problem (even if it is not covered in the policy) you do not have to pay for the service call.
Again, make sure you specify in the purchase agreement the name of the company, what you want the policy to cover, and the amount of money it costs. I strongly recommend making sure the AC is covered.