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missmygardens

Questions Before Getting New System Quote(s)

11 years ago

Live in 2nd floor condo located in central NJ. Replacing deceased 2 ton mystery central A/C unit that came with new build 1987. Been reading this forum trying to grasp anything I could. Decided to go for high efficiency (HE) A/C & thought it required HE furnace for proper efficiency & possible Fed./state rebate eligibility. Just figured unless HE furnace would be wise investment if price could be justified. I have what I consider very reasonable utility bills. A/C is electric and furnace is natural gas.

Gas company running Trane special with rebate which appears to be pass through from Trane web site. Gas company salesman told me on phone HE A/C does NOT require HE furnace. Since my utility room is external to heated condo I'd have to sign waiver since ALL HE furnaces have "water pan" that could freeze in winter & I have to get condo assoc. waiver to have them drill 2 holes in siding for pvc pipe venting to outside. Salesman said one pipe is carbon monoxide venting & something else I didn't catch.

Told him I wouldn't buy anything where I have to sign install waiver saying they're not responsible "if" water pan freezes & there's a problem.

To avoid this problem with HE furnace the salesman said I'd have to get Trane A/C (2 ton) with 2 stage condenser (Ruud) & standard efficiency 2 stage furnace with 80% variable speed which combined should approximate 17 SEER.

I'm more than aware I don't know much about any of this but he seemed perturbed I was asking so many questions. When I asked if written quote would spell out major components with their manufacturer name, model number & specifications as I've seen asked for and provided here on the HVAC forum he said "we can come up with something that'll cover most of that". Is he just speaking installer shorthand & I'm taking it the wrong way or indication he doesn't feel that amount of specificity is needed?

Before I speak to at least 2 more installers & get quotes for Lennox & "other" systems I need to know:

Is the salesman I spoke to correct that every high efficiency furnace housed in an uninsulated utility room has a "water pan" that could freeze & requires them making 2 holes in exterior wall for some venting I don't grasp yet?


Hope I've given enough info from my scribbled phone notes to convey what I heard salesman say. I know this is small potatoes compared to a full size house but it's significant investment & I'd like to know I made best effort to get decent efficiency, reliability & net cost after rebates as is possible.

Thank you in advance for your assistance.

Leslie

Comments (4)

  • 11 years ago

    I am also in central NJ. If you are near Mercer county I would like to send you the contact info of the Carrier dealer I used and trust. Let me know if you are interested.

    Don't buy your HVAC equipment through PSE&G or any other utility or big box store. You will pay a higher price and you have to work with a contractor who needs to cut corners in order to make a profit.

    Condensing furnaces (90%+ efficiency) will have issues with freezing condensate if they are installed in unconditioned space. I am not sure what this contractor is proposing to do to solve the problem. In these situations heat tape can be installed to keep the condensate from freezing.

    The fact that he wants to sell you a mismatched system of a Rudd furnace and a Trane condenser is a major red flag. It is highly unlikely you will achieve a 17 SEER rating, and even if you did, he could not produce a document verifying the rating. You should not be signing any waiver that gets him off the hook for a bad installation. On top of this he is reluctant to give you model information. Please don't work with this contractor.

    You are doing the right thing by asking questions. If a contractor can't spend 15 minutes answering questions, then he is not a the right contractor and you should keep looking.

    MissMyGardens thanked mike_home
  • 11 years ago

    Thank you very much, Mike. I was hoping you'd respond & were closer to Monmouth County. I'm in eastern Monmouth County but not beach town.

    My neighbor downstairs who bought the NJNG system gave me copy of her paperwork. They had "special" which says she got furnace for "free" with purchase of Trane XR13 A/C. I wouldn't tell her I thought overall cost of $5,500. was an awful lot for just that A/C model if that was predicate for getting "free furnace". When I looked on Trane web site it said the XR13 a/c unit is 2nd from bottom offered. Nothing wrong with that if you have set amount to spend for okay performance but I get bad feeling when they seemingly dupe people with "free furnace" language.

    When I asked about matching A/C & Furnace, as I've seen on manufacturer web sites, the salesman said "they're all made by the same company". I know there are only a handful of OEM corporations but if a company says this matches that I'd think they should quote that way.

    If there's one thing my late father taught me....ask questions, get answers in writing, compare written info and don't believe BS sales pitches. I do my best to follow his sage advice but it's taken me a while to figure out HVAC components & what their specs mean. He used to take care of making inquiries of this kind for me. I was spoiled by a great father!

    I know I don't need a gold-plated system but want to get best I can for reasonable cost.

    I went through my later father's files & found name of independent HVAC company he used for years (for sizable center hall Colonial) after much investigation and comparison. They're sending someone over on Wed. to review situation & give proposal(s) for couple options. Don't know if it matters to people more familiar with HVAC but their installers are NATE certified which I believe requires continuing education. Hopefully they already got common sense at birth!

    It didn't dawn on me until later that my outdoor utility room must have some insulation because it also holds the hot water heater and pipes which don't have external insulation but haven't frozen in 27 years. A condensate pan under furnace is probably more prone to freezing due to lower depth & possibility of other things freezing along the way. I just know it's not very cold in there during winter but one could presume that's because the furnace is blasting!

    It's difficult for me to deal with a tradesman once I get a feeling I'm being given a blatant pitch or blown off for asking questions. Every purchaser can't be well versed in HVAC so I'd think a lot of people ask lots of questions.

    Thanks again for your help. Stay afloat with heavy rains out your way.

    Leslie

  • 11 years ago

    Received email saying "jimbop99" posted reply on my thread but it's not shown here. Sent notice to Houzz about it so I can see jimbop99's full text. If you see this, jimbop99, know I'm not ignoring you but I just can't see your comment!

  • 11 years ago

    I posted but mike_home said it all, so I deleted mine.

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