You are at the kitchen table with a service contract in front of you. Most people start with the list of covered items. Start instead with two lines that decide how the plan behaves over its life: who the contract belongs to, and how it ends.
Who the contract belongs to. Find the name on the agreement. Is it written to the buyer, to the account holder, or to the property? A plan tied to the person may stop when that person moves or sells. A plan tied to the property may carry to the next owner, but often only under conditions. Read those conditions. Check whether a transfer is allowed at all, who has to request it, by what deadline, and whether any fee applies. If you are selling, ask what happens at closing and whether the buyer must act to keep the coverage in place.
How it ends. Look for the cancellation section and read it as slowly as the coverage section. Find out who may cancel, whether the buyer or the provider or both, and in what form. Some contracts want written notice. Others accept a phone request. Find the refund method written in the text itself. Refunds are often based on the unused part of the term, but the exact calculation belongs in the contract, not in a summary. Note whether any administrative charge is taken off before money comes back. Do not assume the answer. Ask for it in writing if the text is silent.
Renewal. Check whether the term renews on its own. If it does, find the notice window for stopping it. A missed window can carry a plan into another term without a fresh decision. This is the part that most often surprises a household that expected the plan to end when the original term did.
What to ask before you sign.
Ask whether the plan transfers to a new owner, and under what conditions. Ask who handles the transfer request and whether that process is written down. Ask how a refund is calculated when you cancel mid-term, and whether an administrative charge applies. Ask whether the term renews automatically, how much notice you must give to stop it, and which address or method counts as notice. Ask for a copy of the full contract, not only the summary sheet. Ask whether the answers you received on the phone appear in the document. If they do not, ask that they be added or confirmed in writing.
Compare on the same three lines. If you are looking at more than one plan, lay them side by side on transfer, cancellation, and renewal. Do not compare on the headline coverage alone. Two plans with similar coverage can behave very differently when the house is sold or when you want out. Write the three answers for each plan on one sheet and read across.
The equipment side of the decision still matters. How long a system is likely to last shapes whether a plan is worth the paper it is printed on. The appliance ranking on this site and the system guides linked from it show typical service life by system, so you can set those ages against the term you are being asked to buy. The published figures live in those tables, not on this page.
This is a general explainer about how service contracts and warranties usually work. It is not legal advice. If the terms are unclear, ask the provider to answer in writing. If a question touches a property sale or a dispute, put it to someone qualified to read contracts before you rely on the answer.