What HVAC Manufacturer Warranties Actually Cover

What does a manufacturer warranty actually cover?

Parts that fail because of a manufacturing defect, under normal use, for a set number of years, and usually only if the homeowner registered the equipment in time. The structure is much the same across the major brands, because a handful of manufacturers make most of the residential equipment sold.

Parts. The cost of a replacement part that fails from a defect in materials or workmanship. The warranty pays for the part itself.

A longer term on one or two components. The compressor and the heat exchanger usually carry longer coverage than the rest of the unit. Some brands offer a limited lifetime warranty on the compressor to the original registered owner. That's one part, not the system, and it isn't what a homeowner hears when she hears “lifetime”.

Sometimes labor, in year one. A few manufacturers cover labor for the first year after installation. Most don't, and the ones that do stop at month twelve.

That's the list. It's a real warranty, and it's a lot shorter than the marketing sounds. Federal law requires that written warranty terms be available before the sale (the FTC's guide to federal warranty law), which is the best argument for reading them.

What doesn't it cover?

Labor after year one, refrigerant, wear items, the trip charge, and anything the manufacturer can attribute to installation, weather or pests. This is the longer list, and it's where the gap between expectation and reality lives.

Labor after year one. The failed part may be replaced for free. The technician on the roof doing the replacement isn't. Labor on a residential repair typically runs a few hundred dollars a visit, and more for a major component, depending on the job and the local market.

Refrigerant. Universal across the industry. Refrigerant is treated as a consumable rather than a defect, so it's not covered even when the failure that lost it was. With the EPA's phasedown of HFC refrigerants pushing prices around, a recharge after a coil failure can be one of the largest lines on the bill.

Consumables and wear items. Filters, belts, drain lines, capacitors in some programs, outdoor pads. The manufacturer treats these as homeowner maintenance.

Installation, weather, pests. If the manufacturer can attribute a failure to how the system was installed, or to hail, rodents or water intrusion, the claim can be denied. Installation is one of the most common denial reasons.

Diagnostic fees and trip charges. Even when the repair is covered, the visit to find the problem often isn't.

What are the five surprises homeowners get?

Most homeowners hit at least one of these the first time they actually use the warranty, and every one of them turns into a phone call to the retailer.

1. The 10-year warranty was five years all along

Most manufacturers require online registration within 60 to 90 days of installation to lock in the full term. Miss the window and the term is cut roughly in half. Some retailers register on the homeowner's behalf. Many assume the homeowner will do it, and most homeowners never do. On day 91, the ten-year warranty quietly becomes a five-year one.

2. The part was free and the repair wasn't

The warranty pays for the part. The homeowner pays the trip charge, the diagnostic, and the labor to install the replacement. By the time everything's added up, a covered part has saved a fraction of the bill.

3. The coil was covered and the refrigerant wasn't

A leaking coil may be a covered part. The refrigerant that leaked out, and the refrigerant needed to recharge the system after the repair, is on the homeowner. It's the exclusion that turns a “covered” repair into a four-figure bill.

4. The warranty stayed with the first owner

Most manufacturer warranties are tied to the original registered homeowner. When the home sells, coverage transfers with less, transfers for a fee, or doesn't transfer at all. Buyers find out during the sale, and home sales happen in the millions every year, so this one comes up constantly.

5. Missed maintenance voided the claim

Most manufacturer warranties require documented professional maintenance. A homeowner who changes filters herself and never books a tune-up can have a claim denied for lack of records. Regular service is good for the equipment anyway (the Department of Energy's guidance says as much), but nobody told her it was a condition.

Why do these gaps land on the retailer?

Because the manufacturer is a logo and you're a person. When the warranty falls short, the homeowner doesn't call the brand. She calls the company that did the work, sent the invoice, and said the system would be reliable.

So the goodwill repair lands on you. Or the one-star review does. Or she simply doesn't call you next time, and you never find out why. The cost of the gaps gets paid by the retailer even though the gaps are written into the manufacturer's terms. With about 132 million occupied primary homes in the country and an aging housing stock, there is no shortage of systems about to test that arrangement.

That's why more HVAC companies are adding a program on top of the manufacturer coverage. Not because the manufacturer warranty is bad, but because it doesn't cover what the homeowner expects it to, and the retailer ends up absorbing the difference. We compared the kinds of program you can add and what has to stand behind one in their own posts.

What closes the gap?

Coverage that is exclusive to you, on the whole system rather than one part, with labor included, for as long as the homeowner owns the home, backed by an insurer, at no additional cost to the homeowner. Programs that do all six exist. They aren't the default.

Noble's Lifetime Warranty is built to close exactly these gaps, and it's granted to one retailer per territory, drawn from census counts of owner-occupied homes (American Community Survey data), so no other company inside your lines can offer it. Coverage runs on the major internal components of central air, furnaces, heat pumps and ductless mini splits, and covered repairs are covered start to finish, labor included. It lasts as long as the homeowner owns the home. A national, brand-name A-rated insurance company stands behind it and the state guarantee fund stands behind the insurer, both in writing. The homeowner pays nothing additional, because you fund it inside your price the way you already price equipment and labor.

And every enrolled system books annual maintenance with you for as long as the homeowner owns the home. Noble reminds her before it's due. That answers surprise number five before it happens, and it puts paid work on your calendar in the months the phone goes quiet.

The two warranties stack. The manufacturer's handles defects in the parts. The lifetime program handles everything else the homeowner expected, which is the list above.

What should a homeowner ask before a new install?

Two questions. Does your warranty cover labor as well as parts? And does the coverage last as long as I own the home, or does it end after a set number of years? A retailer who answers yes to both is offering something structurally different.

If your system was installed by a Noble retailer, the homeowner page explains what's covered and what to do on the day something fails, and the claims page is where you file.

What should a retailer do next?

Stop explaining the manufacturer's exclusions at the kitchen table and start offering the coverage that doesn't have them. The sale gets easier too: a quote with an exclusive lifetime warranty in it stops competing on price, and the words for each stage of the conversation are written down.

Check whether your territory is still open. Territories are first come, first served, and one that closes doesn't reopen. If it's open, the application takes two minutes and a person who knows the program calls you back. The territory value calculator shows what the coverage is worth to your company with your own numbers.

Questions retailers ask