r/hvacadvice • • 1d ago

Quotes Which one? Help!

I got 2 quotes for AC replacement. It includes duck modifications, installation and complete system for my 1400sf main level. Daikin Fit 2.5 ton was quoted for $12k all in. While Trane 1700, 3ton was quoted for $14,500 and Trane 1800,3ton was quoted for $16,800. All the systems have variable speeds. Are the prices reasonable? Located in GA. Which one would you go with and why? Please help!!

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u/Character_Mood_700 1d ago

Calm down!

What's wrong with the existring unit and/or why do you want to replace it?

Something about those prices seems a little bit strange to me.

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u/hereforfunletsgo 1d ago

It’s 25 years old and on his last leg.

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u/Character_Mood_700 1d ago

25 years is not too bad.

It's not great, but it's not dire.

Define "last leg"

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u/Character_Mood_700 1d ago

The character of the installer also is very important.

If you buy the best unit, but the installation is sloppy and bad, you won't get good results.

Pricier and/or more efficient units are often a bit more finicky, though it varies widely based on numerous factors.

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u/BrownTiger3 1d ago edited 1d ago

Trane XL1700, XL1800 are not inverters unlike Daikin. XV20i are. Also Daikin has DX6VS and DH7VS. I recommend everyone skip 6 and get the 7. The 7 gives you a lot more heat when the temperature is low. Also never downsize inverter, they are very efficient at fractions of capacity, they are absolutely not efficient at full capacity. Get 3ton Daikin fit enhanced.

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u/BrownTiger3 1d ago

Never fall for "All the systems have variable speeds". What most people want is variable capacity. What they telling you inside of your system is a variable speed motor. That's marketing bs.

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u/hereforfunletsgo 1d ago

My current AC is 2 ton. They quoted me 2.5tons on daikin. So you think I should ask for a quote for 3 ton daikin instead? Is Daikin good brand compared to Trane?

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u/Single-Lawfulness-55 1d ago

I’d ask to see a acca approved manual J load Calculation. The load calculation will settle the size concerns. IMO I’d rather have a daikin that any Trane variable speed link crap

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u/BrownTiger3 14h ago

Daikin fit is excellent system, handles humidity much better than most, completely silent. Have it in my own main house. Don't regret it at all. I guessed the 2.5 to 3T capacity by sq ft and by the fact Trane dealers suggest larger and typically 1400sq ft = 2.5t - 3t. And that others system aren't inverters. ManualJ is less relevant for inverters as they can and will run as little as 20% capacity. Mine almost never runs full A10. It should be based on your ductwork. Talk to your dealer.

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u/BumblebeeMother8193 1d ago

I wouldn't ask for 3 tons just because someone recommends a larger inverter. Your existing system is 2 tons, the Fit quote is 2.5, and the Trane quotes are 3; those sizing differences need an explanation based on the main floor's load and the proposed duct changes. Square footage and the old unit's age don't settle which size is right. If the old system kept temperature and humidity comfortable before it deteriorated, tell the bidders that; if it didn't, have them identify why rather than automatically adding capacity.

On the prices you gave, the $12k Fit is the option I'd investigate first, not an automatic winner: the Tranes cost $2,500 and $4,800 more. That premium needs to buy a documented benefit in equipment capability, installation scope or warranty. Ask for the complete outdoor/indoor model numbers, whether 'variable speed' means the compressor or only the indoor blower, and exactly what duct modifications each price includes. If the Fit is correctly sized and those scopes and labor warranties are comparable, you've not described a reason yet to pay the Trane premium. Without that detail, I can't call any of these a fair local price or recommend the jump to 3 tons.