International Association of Certified Home Inspectors
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| Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections. |
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#1
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Looking for some input from you guys and gals. I inspected my first home in seven years that was actually equipped with a heat pump. Can't say I have heard of too many here in our neck of the woods in blustery cold Chicagoland.
I would not think this would be a good choice overall in HVAC equipment in our climate. Any midwesterners have any input? Thoughts? The unit was older too, built in 1989. Thx! |
| Need a home inspection in Montana? Check out InterNACHI's listing of Montana certified home inspectors. Or, find a home inspector anywhere in the world with our inspection search engine. |
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#2
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I have seen a few downtown but doubt they are a best choice for the Midwest. Did you have fun trying to figure it out? Here is discussion on them making me ask if they had other sources for heat in addition to the heat pump ?http://www.thegearpage.net/board/arc.../t-755403.html www.chicagopropertyinspection.com www.elliotthomeinspection.com www.chicagolandhomeinspection.com www.homeandcondoinspector.com www.homeandcondoinspection.com http://www.homeinspectorpro.com/ (Report Software) Bob Elliott http://www.chicagolandhomeinspector.com/ Last edited by belliott; 4/19/11 at 7:58 PM.. |
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#3
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15 Years.... IF Maintained every 6 Months. A Unit at 22 Years... is Well Beyond Design Life Expectancy. Report accordingly..... Joseph P. Hagarty joseph.hagarty@comcast.net Main Line Inspections, Inc. Phone: 610-399-3675 Email: MainLineHI@comcast.net http://pa.nachi.org/mainlinepa/about.html http://www.householdinspector.com National President / NACHI (2003-2004) NACHI Education Committee Member |
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#4
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[ATTACH][ATTACH][ATTACH]
[/ATTACH][/ATTACH][/ATTACH]So we have what looks to be a Trane XV80 gas forced air furnace, 2002 model year? Serial # 2391TPM1G. On the back of the furnace there is an "add on heat pump"? Then the condenser unit outside, is not really a condenser but a heat pump unit? Dated 1989. From what I could tell, when I called for heat at the thermostat the heat pump first kicked in, because the outside "condenser" fan kicked on. After a long wait, the gas furnace finally kicked on. So in response to your question Bob, my guess is the heat pump is the primary heat source. As a backup or secondary source the gas forced air furnace kicks on....which around here is likely more often than the heat pump. That's my buest educated guess. Again, since this is the first one I have ever come accross i was hoping for some more input from others. For sure the outside unit, at 22 years of age is likely at or near the end of its useful lifespan. |
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#5
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Just because the unit was MFG in 89 does not mean its at the end of life depends on how it was operated. In your area the Cooling season is not as long as mine and if that unit was mine and I was operating in your Cold A!! weather I would be operating in the emergency heat mode 90% of the time with gas furnace only. The heat pump would only be operated in mild weather when very little heat was desired or needed. Unless as a inspector you gather the operating history on the unit it would be very hard to just say end of life based on age alone.
In my opinion a heat pump air to air is never the right choice for up north now a ground source heat pump is another matter I like them Freedom Express Inspections LLC CMOR Thermography Certified Level III #8486 freedomexpressinspections.com www.oklahomathermalinfraredimaging.com freedomexpress495@att.net NACHI Member Okla. State DEQ Environmental Phase One Certified Master HVAC Mechanic (Retired) Certified Universal Freon by 40CFR 82 Sub-part F State License # 130 Serving the States of Okla, Texas, Kansas, Missouri , Arkansas and New Mexico with Commercial Inspections,Thermal Imaging |
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#6
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What you have is a Heat Pump (1989)
that has a gas Fired Furnace as a Backup.. That is why you are seeing the cycling of Gas Furnace to Heat Pump. Bottom Line.... come Summer... AC is 22 - 23 Years Old... Far beyond life expectancy of AC Even further beyond life expectancy of a Heat Pump.... Client should be anticipating and estimating cost of replacement of the HVAC / AC system. Joseph P. Hagarty joseph.hagarty@comcast.net Main Line Inspections, Inc. Phone: 610-399-3675 Email: MainLineHI@comcast.net http://pa.nachi.org/mainlinepa/about.html http://www.householdinspector.com National President / NACHI (2003-2004) NACHI Education Committee Member |
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#7
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Would this unit not be used during the cooling season for AC? If the average lifespan of a conventional AC condenser unit around our area is 12-15 years I would certainly say at 22 this unit is on borrowed time. Usually I tell the client to immediately plan on budgeting for replacement. My 2cents.
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#8
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Sorry Joe! We must have hit the send button at the exact same time. I concur with you. She's done for.
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#9
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#10
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hey Bob. Read up a few posts and you'll see. Its a heat pump with secondary gas forced air furnace as a back up. Or in this case I would bet it's on much more than the heat pump is around here. I think they got rooked into buying an uneeded accessory!
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#11
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Furnace is fine
Client needs to obtain Estimations for new AC / Heat Pump for Cooling (Primary) (Heat/ Secondary) Joseph P. Hagarty joseph.hagarty@comcast.net Main Line Inspections, Inc. Phone: 610-399-3675 Email: MainLineHI@comcast.net http://pa.nachi.org/mainlinepa/about.html http://www.householdinspector.com National President / NACHI (2003-2004) NACHI Education Committee Member |
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#12
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Keep in mind with the stat set on emergency heat the heat pump does not operate gas furnace only operates. My guess is that past owner has used the heat pump very little or it would already be dead in the water. How many months out of the year is the unit used for cooling in ILL not like OK or TX AZ
Freedom Express Inspections LLC CMOR Thermography Certified Level III #8486 freedomexpressinspections.com www.oklahomathermalinfraredimaging.com freedomexpress495@att.net NACHI Member Okla. State DEQ Environmental Phase One Certified Master HVAC Mechanic (Retired) Certified Universal Freon by 40CFR 82 Sub-part F State License # 130 Serving the States of Okla, Texas, Kansas, Missouri , Arkansas and New Mexico with Commercial Inspections,Thermal Imaging |
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#13
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an AC used if successfully for 22 years will likely fail this year Recommend replacement. Joseph P. Hagarty joseph.hagarty@comcast.net Main Line Inspections, Inc. Phone: 610-399-3675 Email: MainLineHI@comcast.net http://pa.nachi.org/mainlinepa/about.html http://www.householdinspector.com National President / NACHI (2003-2004) NACHI Education Committee Member |
| Need a home inspection in Montana? Check out InterNACHI's listing of Montana certified home inspectors. Or, find a home inspector anywhere in the world with our inspection search engine. |
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#14
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I hear ya Charley. You certainly have more days running your AC than we do, but even here the average AC unit only lasts about 12-15 years. We get our fair share of 80-90 degree cooling days with very high humidity levels.
As long as the unit is functioning, the seller isn't going to give them a dime anyway. But at least I can tell them to anticipate replacement in the near or immediate future and start budgeting. You are right, the heat pump likely has lots of life left, but i will disagree with you on the AC, as it likely does not. |
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#15
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How can you recommend replacement with the unit sitting there performing as intended. We all don't have deep pockets some have to run to failure.
I prefer recommending budgeting for replacement and running to failure Freedom Express Inspections LLC CMOR Thermography Certified Level III #8486 freedomexpressinspections.com www.oklahomathermalinfraredimaging.com freedomexpress495@att.net NACHI Member Okla. State DEQ Environmental Phase One Certified Master HVAC Mechanic (Retired) Certified Universal Freon by 40CFR 82 Sub-part F State License # 130 Serving the States of Okla, Texas, Kansas, Missouri , Arkansas and New Mexico with Commercial Inspections,Thermal Imaging |
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