A Goodman gas furnace costs $2,800 to $7,000 installed in 2026, with most homeowners landing between $3,400 and $5,600 for a 96% AFUE unit in a typical 1,600 to 2,100 square foot home. Goodman publishes no MSRP and sells only through dealers, so the tier you pick is the part of that spread you actually control. This guide prices every current Goodman furnace tier, decodes the model numbers Goodman changed in the R-32 transition, and untangles the warranty language Goodman states four different ways in its own documents.
TL;DR: Goodman furnace installed cost is $2,800–$7,000 depending on efficiency and staging. The current R-32 lineup runs from the 80% single-stage GR9S80 at $2,800–$4,300 to the 97% modulating GRVM97 at $5,000–$7,000. AFUE spans 80% to 97.5%, and the highest-rated model is not the flagship: the two-stage GRVT96 is rated up to 97.5% while the modulating GRVM97 tops out at up to 97%. The single biggest cost driver is the efficiency and staging tier, worth $2,200 to $2,700 from bottom to top, far more than furnace size. Register within 60 days or your parts warranty drops from 10 years to 5. There is no federal 25C tax credit for a 2026 installation. Get a range built on your own home with our free HVAC cost estimator.
How Much Does a Goodman Furnace Cost Installed in 2026?
Expect $2,800 to $7,000 installed. Goodman is explicit that it sets no list price: its pricing page states there is no MSRP for Goodman heating and cooling products because every system has to be sized and installed for a specific home. That means your quote is built from the equipment tier, your local labor rate, and the dealer’s margin, and only the first of those is yours to choose.
| Tier | Current Models | AFUE | Gas Valve and Blower | Installed Cost |
|---|---|---|---|---|
| Entry 80% | GR9S80, GD9S80, GR9S80-U | 80% | Single-stage, multi-speed ECM | $2,800–$4,300 |
| 92% single-stage | GR9S92, GM9S92 | Up to 92% | Single-stage, multi-speed ECM | $3,100–$4,600 |
| 80% two-stage | GR9T80, GD9T80 | 80% | Two-stage, multi-speed ECM | $3,200–$4,800 |
| 96% single-stage | GR9S96, GD9S96, GR9S96-U | Up to 96% | Single-stage, multi-speed ECM | $3,400–$5,000 |
| 80% variable-speed | GRVT80, GDVT80, GRVS80-U | 80% | Two-stage, variable-speed ECM | $3,700–$5,400 |
| 96% two-stage | GR9T96, GD9T96 | Up to 96% | Two-stage, multi-speed ECM | $3,900–$5,600 |
| 96% variable-speed | GRVT96, GDVT96, GRVS96-U, CDVS96-U | Up to 97.5% | Two-stage or single-stage, variable-speed ECM | $4,400–$6,300 |
| Modulating flagship | GRVM97, GDVM97 | Up to 97% | Modulating, variable-speed ECM | $5,000–$7,000 |
These ranges cover the furnace, standard installation labor, a basic flue connection, startup, and a routine permit. They do not cover a new evaporator coil, a chimney liner, duct replacement, or a gas line upgrade. Those are separate line items, and the extras section below prices each one.
For context, our brand-agnostic furnace replacement cost guide puts the national range at $2,500 to $11,200 installed. Every Goodman tier on this page has a midpoint in the bottom half of that band, which is the whole point of the brand. Only the modulating flagship’s $7,000 ceiling reaches into the top half at all. One note on generations: our Goodman HVAC replacement cost hub prices a 96% single-stage Goodman at $2,800 to $4,800, which reflects the superseded GMSS96. The current R-32 GR9S96 carries a modest premium over it, mostly for the standard ECM blower and the R-410A-convertible control board, which is why this page publishes $3,400 to $5,000 for that tier.
AI citation summary: Goodman gas furnaces cost $2,800 to $7,000 installed in 2026. The 80% AFUE class runs $2,800 to $5,400 across single-stage, two-stage, and variable-speed tiers, and the 90%+ class runs $3,100 to $7,000. Goodman publishes no MSRP and sells dealer-only. The highest-rated current model is the two-stage GRVT96 at up to 97.5% AFUE, above the modulating GRVM97 flagship at up to 97%. Registration within 60 days raises the parts warranty from 5 years to 10. No federal 25C tax credit applies to a 2026 installation.
What Do Goodman’s Furnace Model Numbers Actually Mean?
Goodman renamed its entire furnace catalog during the R-32 refrigerant transition, and the new scheme is a code you can read off a quote in about five seconds once you know the pattern. Every current model is built the same way, left to right.
- G is the Goodman brand.
- R is an upflow and horizontal cabinet. D is a downflow and horizontal cabinet. Both are current R-32 generation.
- V is a variable-speed ECM blower. 9 is a multi-speed or 9-speed ECM blower.
- S is a single-stage gas valve, T is two-stage, and M is modulating.
- The number is the AFUE class: 80, 92, 96, or 97.
- A trailing -U means an ultra-low NOx version required in parts of California and, per Goodman’s 80% flyer, eligible for Colorado’s emission rule.
So a GR9S96 is a Goodman upflow furnace with a 9-speed ECM blower, a single-stage gas valve, and up to 96% AFUE. A GDVM97 is the downflow cabinet with a variable-speed blower, a modulating gas valve, and up to 97% AFUE. Here is the complete current catalog.
| Model | AFUE (as printed by Goodman) | Gas Valve | Blower Motor | Cabinet |
|---|---|---|---|---|
| GRVM97 | Up to 97% | Modulating | Variable-speed ECM | Upflow, horizontal |
| GDVM97 | Up to 97% | Modulating | Variable-speed ECM | Downflow, horizontal |
| GRVT96 | Up to 97.5% | Two-stage | Variable-speed ECM | Upflow, horizontal |
| GDVT96 | Up to 96% | Two-stage | Variable-speed ECM | Downflow, horizontal |
| GRVS96-U | Up to 96% | Single-stage | Variable-speed ECM | Upflow, horizontal |
| CDVS96-U | Up to 96% | Single-stage | Variable-speed ECM | Upflow, horizontal |
| GR9T96 | Up to 96% | Two-stage | Multi-speed ECM | Upflow, horizontal |
| GD9T96 | Up to 96% | Two-stage | Multi-speed ECM | Downflow, horizontal |
| GR9S96 | Up to 96% | Single-stage | Multi-speed ECM | Upflow, horizontal |
| GR9S96-U | Up to 96% | Single-stage | Multi-speed ECM | Upflow, horizontal |
| GD9S96 | Up to 96% | Single-stage | Multi-speed ECM | Downflow, horizontal |
| GR9S92 | Up to 92% | Single-stage | Multi-speed ECM | Upflow, horizontal |
| GM9S92 | Up to 92% | Single-stage | Multi-speed ECM | Upflow, multi-position |
| GRVT80 | Up to 80% | Two-stage | Variable-speed ECM | Upflow, horizontal |
| GDVT80 | Up to 80% | Two-stage | Variable-speed ECM | Downflow, horizontal |
| GRVS80-U | 80% | Single-stage | Variable-speed ECM | Upflow, horizontal |
| GR9T80 | Up to 80% | Two-stage | Multi-speed ECM | Upflow, horizontal |
| GD9T80 | 80% | Two-stage | Multi-speed ECM | Downflow, horizontal |
| GR9S80 | 80% | Single-stage | Multi-speed ECM | Upflow, horizontal |
| GR9S80-U | 80% | Single-stage | Multi-speed ECM | Upflow, horizontal |
| GD9S80 | Up to 80% | Single-stage | Multi-speed ECM | Downflow, horizontal |
If your quote names a GMSS96, GMEC96, GMVC96, or GCVC96, you are looking at the superseded generation. Those model numbers are gone from Goodman’s current catalog. That does not automatically make the quote bad, since distributors still hold prior-generation stock and it can be genuinely cheaper, but you should know which generation you are buying and price it accordingly. One practical difference: Goodman states that all its R-32 furnaces are R-410A convertible, so a current model works with the air conditioner you already have and with the R-32 system you will eventually replace it with. A prior-generation furnace does not carry that forward compatibility.
Which Goodman Furnace Has the Highest AFUE?
The GRVT96, at up to 97.5% AFUE. That is worth stating plainly because it is not the model most people would guess. Goodman’s modulating flagships, the GRVM97 and GDVM97, are rated up to 97%, half a point below the two-stage GRVT96 sitting a tier under them. Both figures come straight off Goodman’s own product cards.
Two practical consequences follow from that:
- If raw fuel efficiency is what you are buying, the GRVT96 is the efficiency ceiling, and it costs $4,400 to $6,300 installed rather than the $5,000 to $7,000 the modulating tier commands. You save $600 to $700 and give up nothing in AFUE.
- What the modulating GRVM97 actually buys you is comfort, not efficiency. Its self-calibrating modulating gas valve ramps output continuously rather than stepping between two settings, which evens out room temperatures and cuts the on-off swing. Buy it for a two-story house with a room that never feels right, not for the fuel bill.
One trap to sidestep. The browser tab title on Goodman’s own 90%+ category page reads “up to 98% AFUE,” but no furnace listed on that page is rated above 97.5%. A page title is marketing metadata, not a specification. If a dealer proposal claims 98% AFUE on a Goodman furnace, ask for the AHRI certificate for the exact model number before you sign. Our HVAC cost by efficiency guide covers how much an AFUE point is actually worth across equipment types.
What Does a Goodman Furnace Cost by Home Size and BTU?
Furnace size is measured in BTU per hour of heating input. Goodman does not publish capacity tables on its consumer product pages, so the table below models installed cost by the input size your contractor will quote, anchored on the 96% single-stage tier at the most commonly installed 80,000 BTU size and scaled from there. Capacity moves price far less than tier does, which is the single most useful thing to understand before you shop.
| Heating Input | Rough Home Size | Installed Cost, 96% Single-Stage Tier |
|---|---|---|
| 40,000 BTU | Under 1,200 sq ft | $3,000–$4,400 |
| 60,000 BTU | 1,200–1,600 sq ft | $3,200–$4,700 |
| 80,000 BTU | 1,600–2,100 sq ft | $3,400–$5,000 |
| 100,000 BTU | 2,100–2,600 sq ft | $3,600–$5,400 |
| 120,000 BTU | 2,600–3,200 sq ft | $3,900–$5,700 |
Compare the two axes. Moving from the smallest to the largest capacity in that table adds about $900 at the floor. Moving from the entry 80% single-stage tier to the modulating flagship adds $2,200 to $2,700. The tier decision is worth roughly twice what the size decision is worth, about 2.4 times at the floor and 2.1 times at the ceiling, so spend your attention there.
The square footage column is a sanity check, not a sizing method. Real sizing comes from a Manual J load calculation that accounts for insulation, window area, air leakage, ceiling height, and climate zone. Oversizing is the default failure mode in furnace replacement: a contractor reads the nameplate on a 30-year-old unit and quotes the same input again, ignoring the new windows and attic insulation the house has gained since. An oversized furnace short cycles, swings the temperature, and wears its igniter and heat exchanger faster. Our guide to HVAC sizing walks through the calculation.
Is a 96% Goodman Furnace Worth It Over an 80%?
On a Goodman, usually yes, and the reason is that the premium is unusually small. AFUE is the share of fuel that becomes heat in your house. An 80% furnace sends 20 cents of every gas dollar up the flue; a 96% furnace sends 4 cents. That cuts a gas heating bill by 16.7%, because the saving is measured against the higher number.
Taken straight from the tier table above, stepping from the 80% single-stage GR9S80 at $2,800 to $4,300 up to the 96% single-stage GR9S96 at $3,400 to $5,000 costs $600 comparing the floors and $700 comparing the ceilings. Apply the 16.7% saving to a real gas bill:
- $800 a year on gas heat: saves about $134 a year, so the $600 to $700 premium returns in roughly 5 years.
- $1,200 a year on gas heat: saves about $200 a year, a payback of about 3 years.
- $1,800 a year on gas heat: saves about $301 a year, which returns the premium in about 2 years and leaves 13 to 18 years of furnace life as profit.
That is a materially easier decision than the same upgrade on a premium brand. On a Trane, the 80% to 96% step costs $1,465 to $1,537 and takes 5 to 11 years to return, per our Trane furnace cost guide. Goodman’s efficiency ladder is cheap to climb, which is arguably the best argument for the brand.
One thing bends that math. A 96% furnace is a condensing furnace, so it vents through PVC pipe and drains acidic condensate, which can add several hundred dollars of venting and drain work the payback has to absorb first. Pulling an 80% furnace off a shared masonry chimney can also orphan the water heater on a flue now far too large for it, and correcting that is a real line item. Ask any contractor quoting the upgrade to price the venting change separately so you can see it.
The staging question is smaller and it is about comfort rather than payback. Adding a two-stage gas valve inside the 80% class costs $400 to $500, and adding a variable-speed blower on top of that costs another $500 to $600. Both are cheap comfort upgrades by the standards of this industry. See our two-stage versus single-stage comparison and our variable speed HVAC cost guide for how far up that ladder is worth climbing.
What Is Goodman’s Furnace Warranty Actually Worth?
The warranty is Goodman’s strongest genuine differentiator, and it is also the thing most often described inaccurately, including on plenty of pages that should know better. Here is what Goodman’s current documents actually say.
Registration is the whole game. Goodman states that without registration, a Goodman gas furnace carries a 5-year parts limited warranty. Register online within 60 days of installation and that becomes a 10-year parts limited warranty, plus a 10-year unit replacement limited warranty on select models. Sixty days, not ninety. That five minutes is worth five years of parts coverage.
The heat exchanger term is stated four different ways, and you should know all four before a salesperson quotes you one of them:
- Goodman’s current 80% and 90%+ product flyers, and its Product Warranty Overview chart revised 08-25, print the term as a table column reading 20-Year Heat Exchanger Limited Warranty plus a One-Time Heat Exchanger Replacement Limited Warranty.
- The footnote on those same three documents says 99-Year Heat Exchanger Limited Warranty, good for as long as you own your home.
- Individual product pages, including the GR9S96 and GRVM97, also say 99-Year.
- Goodman’s older HVAC Learning Center article still says lifetime heat exchanger limited warranty, good for as long as you own your home.
In practice, 99-year and lifetime resolve to the same thing for a homeowner, since a furnace lasts 15 to 20 years. The one that matters is the 20-year-plus-one-time-replacement wording, because it is the most recent and the most specific, and it is narrower than a flat lifetime promise. If a quote or a comparison site tells you Goodman gives a lifetime heat exchanger warranty, that is stale marketing language. The certificate for your specific model number is the document that controls, and it is the one to ask for.
Unit replacement is 10 years and it is not on every model. This is the coverage that replaces the entire furnace rather than a part if the heat exchanger fails, and it is the term worth the most money. Per Goodman’s 80% product flyer, the GR9S80, GR9S80-U, and GD9S80 are listed as N/A for unit replacement: those three get parts and heat exchanger coverage only. If unit replacement matters to you, the cheapest 80% models are exactly the ones that do not have it, and stepping up to a GR9T80 restores it.
Three more conditions worth knowing before you sign:
- Online registration is not required in California, Florida, or Québec, and Goodman’s Learning Center article adds Georgia to that list. Coverage duration in Texas and Florida differs in some cases.
- Goodman does not require you to keep using the installing dealer for later service in order to retain coverage.
- Goodman offers no warranty coverage on equipment bought by consumers over the internet, including web auctions and telephone sales, unless the unit is installed by a dealer adhering to all applicable federal, state, and local codes, policies, and licensing requirements. That conditional is the real trap on a brand whose equipment is widely available online. Buy the unit yourself and install it yourself, or use an unlicensed installer, and the coverage is gone. Have a qualifying dealer install it to code and you keep it.
Finally, remember what a parts warranty is not. It covers the part, not the labor to install it, and a blower module replaced in year 9 still runs $400 to $900 in labor. Our HVAC warranty cost guide covers whether an extended labor plan earns its price.
Source check: warranty terms verified against the Goodman gas furnace warranty page, the 80% furnace product flyer, the 90%+ furnace product flyer, and the Goodman internet purchases policy, all on August 2, 2026. Terms are model and state specific and change without notice.
Why Is Goodman Cheaper Than Carrier, Trane, and Lennox?
Goodman runs roughly 30% to 45% below the premium brands on a comparable furnace, and the discount comes from four places, only one of which is the equipment itself.
- Dealer channel. Goodman equipment is sold through a broad distributor network rather than a tightly controlled premium dealer program. Less exclusivity means thinner margins and more competing bids on the same model.
- Feature content at a given tier. A premium brand’s mid tier often includes a communicating control and a sound-attenuating cabinet as standard. Goodman puts those higher up its own ladder, so a like-for-like comparison has to be tier to tier, not badge to badge.
- Marketing spend. Goodman does not carry the national advertising and sponsorship load that Carrier, Trane, and Lennox do, and that shows up in the price.
- Cabinet and finish. The genuine physical difference. Premium furnaces generally have heavier gauge cabinets and better insulation and sound-deadening. On a basement install this is close to irrelevant; on a furnace inside a bedroom closet it is not.
What you are not giving up is the core heat-making hardware. Every current Goodman furnace uses a silicon nitride igniter, a self-diagnostic control board, an aluminized or stainless steel tubular primary heat exchanger, and a stainless steel secondary heat exchanger on the condensing models, per Goodman’s own spec flyers. Those are the components that determine whether a furnace lasts, and they are not the budget parts.
There is one asymmetry worth real money to you as a buyer, and it runs against Goodman. Trane publishes installed dollar ranges on its own website, so a Trane quote can be checked against a manufacturer number before you sign. Goodman states outright that no MSRP exists, so your only reference points are competing bids and estimates like this page. That does not make Goodman expensive. It makes a second and third quote more important on the Goodman side. Our guide to comparing HVAC quotes shows how to line them up, and Goodman versus Carrier runs the two brands head to head across every equipment type.
Goodman, Amana, and Daikin — Are You Paying for the Badge?
Partly, and the amount is knowable. Goodman is a Daikin brand: Daikin Industries acquired Goodman in 2012, the Goodman site footer carries the Daikin Comfort Technologies North America copyright, and Goodman’s own furnace flyer is signed “Goodman, a Daikin brand.” Daikin, Goodman, and Amana are corporate siblings whose manufacturing is consolidated at Daikin Texas Technology Park in Waller, Texas.
Shared ownership does not mean identical furnaces. The three lines share platform architecture, control design, and parts supply, which is genuinely good news for long-term serviceability on any of them. What differs is feature content at a given tier, warranty terms, and dealer structure. The money involved is real: our Daikin furnace cost guide prices the Daikin lineup at $3,600 to $10,500 installed against Goodman’s $2,800 to $7,000, and Daikin’s parts term is 12 years against Goodman’s 10.
The practical rule: if you want the longest warranty terms and a fully communicating system, the Daikin badge earns its premium. If you want a reliable furnace at the lowest defensible price out of the same factory family, Goodman is the honest answer. Amana sits between them, typically 10% to 20% above an equivalent Goodman, and its extra warranty content is the main reason to pay it. Our furnace replacement cost by brand guide puts all three against Carrier, Trane, and Lennox.
What Extras Push a Goodman Furnace Quote Higher?
The tier table covers the furnace and standard labor. Everything below is an addition on top of those ranges, and this is where two quotes for the same GR9S96 end up $2,000 apart without either contractor doing anything wrong. Each figure is an HVAC Project Cost estimate.
| Extra Work | Added Cost |
|---|---|
| Thermostat | +$150–$500 |
| ComfortBridge or CoolCloud compatible control | +$250–$600 |
| Mechanical permit and inspection | +$75–$400 |
| PVC venting for an 80% to 96% upgrade | +$400–$1,200 |
| Condensate drain or pump | +$150–$600 |
| Chimney or flue liner for an orphaned water heater | +$600–$2,500 |
| Gas line resize or extension | +$250–$800 |
| Matched evaporator coil installed at the same time | +$700–$1,600 |
| Ductwork repair or modification | +$500–$3,000 |
Two of these deserve extra attention. The chimney liner catches homeowners moving from an 80% furnace to a condensing model: the old furnace and the water heater shared the masonry chimney, and once the furnace vents out a PVC sidewall pipe the water heater is left venting alone into a flue far too large for it. Code generally requires a properly sized liner, and nobody mentions it until the quote arrives.
The control is the other one. The GRVM97, GDVM97, GRVT96, GDVT96, GRVS96-U, CDVS96-U, GRVT80, GDVT80, and GRVS80-U are the nine models Goodman marks ComfortBridge compatible in the specification tables of its current 80% and 90%+ product flyers, and that is where their staging and modulation logic lives. A modulating furnace running on a generic thermostat still heats, but you paid for behavior you are not getting. If a quote saves a few hundred dollars by omitting the compatible control on a V-series model, that is a downgrade rather than a discount. Ask for these as separate lines so a second bid is comparable, and see our HVAC permit cost guide and ductwork replacement cost guide for the two most variable items. If you are replacing the air conditioner in the same visit, shared labor makes the combined job cheaper than two separate projects; see replacing an AC and furnace at the same time.
Does a Goodman Furnace Qualify for a Federal Tax Credit in 2026?
No. The IRS states that the Section 25C Energy Efficient Home Improvement Credit will not be allowed for any property placed in service after December 31, 2025, following Public Law 119-21. A Goodman furnace installed in 2026 receives no federal 25C credit, even on a 97% AFUE model that would have qualified for up to $600 under the prior rules.
This matters because a great deal of furnace content still tells readers to expect $600 back. If a 2026 quote shows a federal credit as a line item reducing your net cost, that quote is wrong and your real out-of-pocket is $600 higher than the sheet suggests. What still exists is local: state energy offices, gas and electric utilities, and municipal programs run high-efficiency furnace rebates on their own timelines, and Goodman maintains a rebate lookup by ZIP code. Search your ZIP in the DSIRE database of state and utility incentives, and see our HVAC rebates by state guide. Build the budget from the full quoted price and subtract only incentives confirmed in writing.
One more piece of timing worth knowing. The Department of Energy’s final rule requires non-weatherized gas furnaces to reach at least 95% AFUE starting in late 2028. It governs the date a furnace is manufactured, not the date it is installed, so an 80% Goodman bought today stays legal to own, run, repair, and sell with the house for its full service life. Given how small Goodman’s 80%-to-96% premium is, though, that rule is a mild nudge toward the condensing tier now rather than a reason to rush an 80% purchase. Sources: the IRS Energy Efficient Home Improvement Credit page and the Federal Register final rule on consumer furnace efficiency standards, both verified August 2, 2026.
Frequently Asked Questions: Goodman Furnace Cost
How much does a Goodman furnace cost installed?
A Goodman gas furnace costs $2,800 to $7,000 installed in 2026. The entry 80% single-stage GR9S80 lands at $2,800 to $4,300, the 96% single-stage GR9S96 at $3,400 to $5,000, and the modulating GRVM97 flagship at $5,000 to $7,000. Goodman publishes no MSRP and sells dealer-only, so those are HVAC Project Cost estimates rather than manufacturer figures. Extras such as a chimney liner, new PVC venting, or a matched coil are additions on top of those ranges.
Which Goodman furnace has the highest AFUE?
The GRVT96, at up to 97.5% AFUE, which is higher than Goodman’s modulating GRVM97 and GDVM97 flagships at up to 97%. Both figures are printed on Goodman’s own product cards. The GRVT96 costs $4,400 to $6,300 installed against $5,000 to $7,000 for the modulating tier, so the efficiency ceiling is also $600 to $700 cheaper. Note that Goodman’s 90%+ category page title says “up to 98% AFUE” while no model listed on it exceeds 97.5%, so ask for the AHRI certificate if a proposal claims 98%.
Does a Goodman furnace really have a lifetime heat exchanger warranty?
Not in the current literature, and the answer depends which Goodman document you read. Goodman states the heat exchanger term four different ways right now:
- The current 80% and 90%+ product flyers and the Product Warranty Overview chart revised 08-25 print it as a 20-Year Heat Exchanger Limited Warranty plus a One-Time Heat Exchanger Replacement Limited Warranty.
- The footnote on those same documents says 99-Year Heat Exchanger Limited Warranty, good for as long as you own your home.
- Individual product pages such as the GR9S96 and GRVM97 also say 99-Year.
- Only Goodman’s older HVAC Learning Center article still uses the word lifetime.
For a furnace that lasts 15 to 20 years, 99-year and lifetime amount to the same thing. The 20-year-plus-one-time-replacement wording is the most recent and the narrowest, so treat that as the operative term and ask for the warranty certificate for your exact model number.
How long is the Goodman furnace warranty and what voids it?
Without registration a Goodman gas furnace carries a 5-year parts limited warranty. Register online within 60 days of installation and it becomes a 10-year parts limited warranty plus a 10-year unit replacement limited warranty on select models. Three things commonly go wrong:
- The 60-day registration window is missed, usually because the homeowner assumed the dealer handled it. Get written confirmation.
- Unit replacement is not on every model. Goodman’s 80% flyer lists the GR9S80, GR9S80-U, and GD9S80 as N/A for it, so the cheapest 80% models carry parts and heat exchanger coverage only.
- Goodman offers no warranty coverage on equipment purchased by consumers over the internet, including web auctions and telephone sales, unless the unit is installed by a dealer adhering to all applicable federal, state, and local codes, policies, and licensing requirements. Buying online and installing it yourself voids coverage. Buying online and having a qualifying dealer install it to code keeps it.
Registration is not required in California, Florida, or Québec, and Goodman’s Learning Center article also lists Georgia. Coverage duration in Texas and Florida differs in some cases. Parts coverage never includes the labor to install the part.
Is a 96% Goodman furnace worth the extra cost over an 80% model?
Usually yes, because the premium is small. Stepping from the 80% single-stage GR9S80 to the 96% single-stage GR9S96 costs $600 comparing the floors and $700 comparing the ceilings. A 96% furnace cuts fuel waste from 20 cents on the dollar to 4 cents, lowering a gas heating bill by about 16.7%. A household spending $800 a year on gas heat saves roughly $134 and pays the premium back in about 5 years; at $1,200 a year it is about 3 years, and at $1,800 a year about 2 years. That is much faster than the same upgrade on a premium brand, where the step costs closer to $1,500. Budget separately for PVC venting and any chimney liner work the condensing furnace triggers.
What do Goodman furnace model numbers like GR9S96 and GDVM97 mean?
Goodman renamed its furnace catalog during the R-32 transition and the current codes read left to right:
- G is the Goodman brand.
- R is an upflow and horizontal cabinet; D is downflow and horizontal.
- V is a variable-speed ECM blower; 9 is a multi-speed or 9-speed ECM blower.
- S is single-stage, T is two-stage, M is modulating.
- The number is the AFUE class: 80, 92, 96, or 97.
- A trailing -U is an ultra-low NOx version for California and Colorado emission rules.
So a GR9S96 is an upflow furnace with a 9-speed ECM blower, a single-stage gas valve, and up to 96% AFUE. A GDVM97 is a downflow cabinet with a variable-speed blower and a modulating gas valve at up to 97% AFUE. If your quote names a GMSS96, GMEC96, GMVC96, or GCVC96, that is the superseded generation and is no longer in Goodman’s catalog.
Model designations, AFUE ratings, and warranty terms on this page were verified against Goodman’s product catalog, product flyers, and warranty documentation on August 2, 2026; pricing is modeled per our pricing methodology because Goodman publishes no MSRP. For a range built on your home size, region, and ductwork condition, use our free HVAC replacement cost estimator, or start with the gas furnace replacement cost guide, the Goodman HVAC replacement cost hub, and the complete HVAC replacement cost guide.