You have the agreement in hand, and the cover page looks reasonable. Before you go further, turn to the definitions. Most service agreements open with a short list of defined words, and those words set the meaning of everything that follows. A promise to cover a failure tells you little until you know what the agreement counts as a failure, what it counts as wear, and who makes the call.
Find the defined terms
Look for a heading such as Definitions, Terms, or Key Terms, usually near the front. Read every entry, then read the body of the agreement with those meanings in mind. When the body uses a word such as covered, check whether it is capitalized or set in bold, because a defined term often carries a narrower meaning than the everyday one.
The words to mark
Mark these with a pen before you compare anything:
- Wear, normal wear, and normal use
- Failure, breakdown, and malfunction
- Authorized technician, approved contractor, and licensed provider
- Preexisting condition and prior condition
- Covered component, covered system, and covered part
- Routine service, maintenance, and proof of maintenance
- Household use, commercial use, and occupied home
Ask who decides
For each marked word, ask who decides whether it applies. An agreement may leave that call to the provider, to a technician, or to a written inspection. Ask how the decision is made, what record it leaves behind, and whether you receive a copy. If the answer is a phone call with no note, write down the name, the time of the call, and what you were told, and keep that note with the contract.
Compare on the same words
When you hold two agreements for the same household, do not compare the covers. Line up the defined terms side by side. One document may define a failure narrowly while the other uses plain language, and the lists of what each includes will not match even when the headline sounds the same. Put a check beside each term you can match and a question mark beside each one you cannot.
Tie the terms to your system
Every system has a service life, and the agreement's wording on age and condition decides what happens when that system nears the end of its planning window. Look up the expected life on the matching guide, such as the gas furnace or the central air conditioner page, then check how the agreement treats age, condition at signing, and prior repairs. These terms usually sit near the definition of wear, so read them together.
Ask how it starts and ends
Definitions are one part of the picture. Ask also how the agreement begins and ends. Find out whether a waiting period applies before coverage starts, and what the agreement says about preexisting problems during that period. Ask how you cancel, what notice is required, and whether any part of the term is returned on cancellation. Ask whether the agreement moves to a new owner if you sell the home, and who must approve the transfer. Write these answers beside the definitions so the whole decision sits on one page.
What to be able to say
Before you decide, you should be able to answer three questions in your own words: what counts as a covered failure, who decides that it applies, and how either side can end the agreement. If you cannot answer one, the clause that answers it is the next page to read. For a reading of the legal wording itself, a qualified professional who works with contracts can go through the text with you. Keep the signed copy with the marked definitions, so the next person who opens the file reads the same words you did. For the published service life figures behind each system, use the tables on this site rather than the contract's own estimates.