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Old 04-01-2009, 10:33 AM   #1
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Advice on replacement system


I would appreciate any comments or suggestions on the following bids: Work: Replace existing furnace in 10,000 sq. ft. single-story brick home. Bid #1: $4,995.00 Trane 80% efficiency gas furnace Trane XR13 2-ton 13 SEER heat pump. Bid #2: $5,995.00 Trane 80% efficiency gas furance Trane XL15i 2-ton 14 SEER heat pump. Bid #3: $4,850.00 Carrier 58 STA070-1-08 80% efficiency gas furnace Carrier 25HCB 330 A003 2.5 ton 13 SEER heat pump Carrier CNPVP3014ACA Coil. Thank you

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Old 04-01-2009, 12:13 PM   #2
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All prices are fairly close.. Must be about right for your area.. Are these R22 systems or R410 ? I would suggest a 90+ furnace instead of the 80 shouldn't be alot higher in price.. If you have to upgrade any venting with the 80 you may break even with a 90...

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Old 04-01-2009, 12:18 PM   #3
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Doesn't look like real bids.
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Old 04-01-2009, 01:11 PM   #4
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A 10,000 sq. ft. single story home? Is it a warehouse? Is that number accurate?

If so, it seems like a commercial system might be the right one. Get the highest efficiency system. And certainly, seal and insulate that warehouse.
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Old 04-01-2009, 01:31 PM   #5
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From the equipment size I'm guessing he meant 1000 sq ft. The bids look typical. Why not go to 90%to 95% efficiency units? Gas isn't going to get cheaper.
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Old 04-01-2009, 02:15 PM   #6
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Looks like they intend to use the heat pump for primary heat and the furnace for backup hence the 80% mid. A heat pump and high efficiency would be redundant. Where do you live Wayne?
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Old 04-01-2009, 03:40 PM   #7
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I would check the utility rates see which is cheaper in his area to operate. If gas would be cheaper I would just go all gas with atleast 90+
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Old 04-01-2009, 05:28 PM   #8
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Hi All, I meant 1,000 Sq. Ft. The bids are real. I live in Richmond, VA. The heat pump would be the primary source; furnace for very cold periods. Thanks for everyone's help.
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Old 04-01-2009, 06:06 PM   #9
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Advice on replacement system


I would talk to your electric utility and see if they have a cost analysis for heat pumps and electric strips for supplemental heat vs heat pump and gas furnace vs 92% high efficiency furnace with standard A/C unit. Heat pumps lose efficiency at the lower temps and require more backup heat. A standard furnace and A/C in the long run may be a lot more reliable. Most heat pumps are used with coil blower/airhandler units with electric elements for supplemental heat. The heat from a heat pump is usually cooler and less comfortable. We cannot comment on pricing very well as it varies greatly from city to city, state to state. Personally I would buy a Lennox G71MPP or G61V furnace with high efficiency ECM motor and a XC15 SEER airconditioner. Incredibly smooth,quiet matched set and VERY efficient together. Will cost less to run those 2 than any heat pump combo.
http://www.lennox.com/

Last edited by yuri; 04-01-2009 at 06:17 PM.
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Old 04-03-2009, 08:47 AM   #10
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How much yard to you have? Have you considered geothermal? Tax incentives make it competitively priced. And you'll use ALOT less energy to heat/cool your home!

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