Choosing a home warranty company on price is like choosing insurance on price — the cheap option is cheap for a reason. The plans that protect you and the plans that collect premiums differ in ways that only show up in the contract: the coverage caps, the exclusion definitions, the denial behavior, and the workmanship guarantee. Here's how to tell them apart before you pay.
The 8 Factors That Actually Matter
Read the HVAC coverage cap first
The HVAC cap is the single most important number in any home warranty. It's the maximum the company pays on your most expensive likely claim. Caps range from $1,500 to $6,500 per unit — and a full HVAC replacement runs $5,000–$15,000. A $2,000 cap turns a $8,000 failure into a $6,000 problem; a $5,000+ cap makes the warranty genuinely protective.
Watch for: Also check the aggregate annual limit. If it equals the HVAC cap, one HVAC claim wipes out all other coverage for the year.
Understand the service fee trade-off
Companies let you pick a service fee ($60–$150 per visit) that moves inversely with your premium. High-fee/low-premium plans favor homeowners who file few claims; low-fee/higher-premium plans favor heavy users. Estimate honestly: if you expect 2+ claims a year, the low-fee plan usually wins.
Watch for: Service fees are typically non-refundable even on denied claims — a company with a high denial rate effectively charges you for the denial.
Read the exclusions list — all of it
The exclusions determine whether the company pays when it matters. Compare contracts on the big ones: pre-existing conditions (some cover unknown ones, most don't), rust and corrosion (critical in humid climates), improper installation, code upgrades, permits, and haul-away.
Watch for: Watch for the phrase 'reasonably discoverable' in the pre-existing definition — it extends the exclusion beyond conditions you actually knew about.
Check the complaint and denial record
Consumer Reports found 44% of policyholders had claims denied or partially paid — but rates vary significantly by company. Check the company's BBB rating and complaint volume relative to size, your state regulator's enforcement actions, and whether complaints mention the same denial pattern repeatedly.
Watch for: A company with a low BBB rating and hundreds of unresolved complaints is telling you exactly how your claim will go.
Verify the contractor model
Network-dispatch companies choose your technician — convenient but no control over quality. Reimbursement companies let you pick your own licensed contractor but you pay upfront. Neither is universally better; pick based on whether you have a trusted local contractor.
Watch for: Confirm whether out-of-network repairs are allowed with pre-authorization — some contracts void coverage entirely for unauthorized contractors.
Compare the workmanship guarantee
If the repair fails 30 days later, what happens? Guarantees range from none to 90 days to 180 days on completed work. A longer workmanship guarantee means the company stands behind its contractors — and you don't pay a second service fee for the redo.
Watch for: A company with no workmanship guarantee can charge you a fresh service fee when its contractor's repair fails.
Confirm state availability and licensing
Not every company operates in every state, and coverage terms vary by state regulation. Confirm the company is licensed to sell service contracts in your state — your state insurance department or contractor board maintains this list.
Watch for: Some companies restrict or modify coverage in states with heavy regulation. Get the contract version for YOUR state, not the national sample.
Get the sample contract before paying
Every reputable company provides its full service contract on its website or on request before purchase. If a salesperson resists sending it, that's your answer. Read the definitions, coverage grants, exclusions, and arbitration clause before you pay anything.
Watch for: Marketing claims and verbal promises don't override the written contract. Only the contract determines what's covered.
HVAC Caps and Fees: How Major Companies Compare
Since the HVAC cap is the deciding number for most homeowners, here's how the major companies stack up. Verify current numbers in each company's contract — caps change and vary by plan tier.
| Company | HVAC Cap | Service Fee | Notable |
|---|---|---|---|
| American Home Shield | $5,000/unit | $75–$125 | Covers rust/corrosion; largest aggregate |
| Old Republic Home Protection | $6,500 heating + $6,500 cooling | $75–$100 | Highest combined HVAC coverage |
| Choice Home Warranty | $3,000/unit | $85 | Flat service fee; strong pricing |
| Cinch Home Services | $2,000–$10,000 by plan | $75–$150 | 180-day workmanship guarantee |
| Liberty Home Guard | $3,000/unit | $60–$125 | 42 add-on options; all 50 states |
| First American Home Warranty | $3,500/unit | $75–$100 | Strong real-estate transaction coverage |
For deeper analysis of each company's actual claim behavior, see our full company reviews and overall rankings.
10 Questions to Ask Before You Sign
Ask these on the sales call or by email — and get answers in writing. A company that dodges these questions is telling you something.
Can you send me the full service contract for my state before I pay anything?
What is the exact HVAC coverage cap per unit, and is there an aggregate annual limit?
Which pre-existing condition definition do you use — 'known' or 'known or reasonably discoverable'?
Do you cover rust and corrosion damage?
Is the service fee refundable if the claim is denied?
What is the workmanship guarantee period on completed repairs?
Can I use my own contractor with pre-authorization, and under what conditions?
Does the plan auto-renew, and what was your renewal rate increase last year?
How quickly is a technician dispatched after I file a claim?
What happens if I need to cancel mid-term — what's the refund formula?
Red Flags That Say Walk Away
The 6 Most Common Buying Mistakes
Choosing on price alone
The cheapest plan almost always has the lowest caps and the longest exclusion list. A $30/month plan with a $1,500 HVAC cap provides almost no protection on your biggest risk — you're buying a receipt, not coverage.
Skipping the sample contract
Buying from a sales call or website marketing without reading the actual contract is the #1 regret among warranty holders. Every material surprise — exclusions, caps, arbitration — was in the contract they never opened.
Ignoring the denial record
Price and coverage mean nothing if the company denies claims aggressively. Two companies can list identical coverage while having wildly different actual payout behavior.
Buying for an already-failing system
If your HVAC is on its last legs, the 30-day waiting period and pre-existing exclusion will deny the claim you're buying the warranty to cover. Don't spend the money.
Overlooking the service fee math
A $150 service fee on a $300 appliance repair is a 50% deductible. High-fee plans only make sense if you're hedging against large system failures, not small appliance repairs.
Not checking state-specific terms
Coverage terms, waiting periods, and even company licensing vary by state. Signing based on a national brochure without confirming your state's contract version can leave you with different terms than you expected.
Frequently Asked Questions
What is the most important thing to look for in a home warranty?
The HVAC coverage cap. HVAC is your most expensive likely claim ($5,000–$15,000 to replace), and caps range from $1,500 to $6,500 per unit. Check the aggregate annual limit too — if it equals the HVAC cap, one HVAC claim exhausts all other coverage for the year.
Which home warranty company has the highest HVAC coverage?
Old Republic Home Protection offers the highest combined HVAC coverage at $6,500 heating plus $6,500 cooling ($13,000 total). American Home Shield caps at $5,000 per unit with the industry's highest aggregate at $50,000 per year.
Should I choose a higher service fee or a higher monthly premium?
It depends on how many claims you expect. If you'll file 2+ claims a year, a low service fee ($60–$75) with a higher premium usually wins. If you rarely file, a higher fee with a lower premium is cheaper overall. Estimate honestly based on your systems' age.
How do I check a home warranty company's reputation?
Check its BBB rating and complaint volume relative to company size, search your state attorney general's enforcement actions, and read recent reviews for repeated denial patterns. A 44% industry-wide denial/partial payment rate means the company's specific behavior matters a lot.
What questions should I ask before buying a home warranty?
Ask for the full contract for your state, the exact HVAC cap and aggregate limit, the pre-existing condition definition, whether rust/corrosion is covered, service fee refundability, the workmanship guarantee period, contractor choice rules, and the renewal rate history.
Is a cheaper home warranty plan ever the right choice?
Rarely. Cheap plans achieve their price through low caps and broad exclusions. The exception: if you only want appliance coverage (no HVAC) and can self-fund any repair, a basic plan can make sense. Otherwise, buy on cap quality, not price.
The bottom line
Choosing a home warranty comes down to four things: a high HVAC cap, an exclusion list you can live with, a company that actually pays claims, and a service fee that matches your expected claim frequency. Every one of those is verifiable before purchase — in the contract, on the BBB, and through a handful of direct questions.
Get the sample contract for your state, find the HVAC cap and aggregate limit, read the pre-existing condition definition, and check the complaint record. If the numbers hold up and the company answers your questions in writing, you've found a keeper. If not, the next company on your list is a click away.