View Full Version : 3rd AC Unit

06-13-2006, 09:12 PM
Ok, I live out west and the summers are HOT:mad: . I was wondering if a third AC unit could be added in a Monticello. There is a ceiling fan in the den, which I would take out. Is there wiring close by which I could use and do you feel there is sufficient AMPS available to run 3 units if the new unit draws 10 to 13 amps.

06-14-2006, 07:03 AM
You would have to put in a complete new circuit and A/C mounting supports. It might be helpful to put in double pain windows and window awnings.

06-14-2006, 07:20 AM
Guess I need to move back east! I have thought about the awnings. Thanks Cooper!

06-14-2006, 09:59 AM
Double pane windows are a must where you live. Hopefully you have them already. On a Landmark, you should already have the slide out awnings - but the addition of window awnings would definitely help if you are sitting out in the middle of the sun - with no shade trees around.

As for the third A/C - he is right you would need some extra support in the roof to add a large one.

I think you should have your vents and air flow double checked to make sure they are working at full capacity.


06-14-2006, 12:07 PM
Another thing to consider is current draw. Campgrounds are usually set up for 30 amp draw on one leg of the 50 amp service and 20 amp on the other. You would run into problems running three ACs even with 50 amp service.

06-14-2006, 01:43 PM
I do not have double pane windows. I bought the unit in Las Vegas from Johnnie Walker RV last July. Can I bring it back to the Factory and pay for replacement? I really like the unit but if we continue to stay in the desert climate, got to do something. The units are doing a good job of keeping up. Yesterday the temp was 109 and inside it was 83.
Thanks for the support

06-14-2006, 01:46 PM
Didn't think about that. Thanks BigBlue!

06-14-2006, 02:00 PM
I've got to tell you, the energy efficiency of dual pane windows in a fifth wheel is UNQUESTIONABLY the number one thing that people tend to overlook. It's funny to me how people can spend so much time arguing R-values of their walls when the fact is, in these bigger fifth wheels, there is so much square footage of GLASS in their units (i.e. the rear bay area, the windows in the slide-out, etc.).
All kinds of heat is coming through that glass - in fact, the glass amplifies the heat (like in a greenhouse). The dual pane windows are MUCH, MUCH, MUCH more energy efficient.

That will help you a lot in the AZ/CA/NV area.


06-14-2006, 03:23 PM
Scott you couldn't have said it better. They do as much in hot weather as they do in cold. It's probably the best money value add on you can do to your 5'er. Way less heat loss and condensation in cold weather and stays way cooler in hot.


Ken Washington
06-14-2006, 04:03 PM
Here is another way to look at this! Most of us bought our unit off the lot and did not special order. More in the future will make the same mistake some of us have made. If it is such a big deal to have dual pane windows and I beleave that it is, why does Heartland not put then on as standard windows. In most cases, it is needed and everyone will have less problems heating and cooling their fifth wheel. Raise the cost? You bet it will but I for one would have paid it up front knowing what I know now.

06-14-2006, 04:26 PM
I was thinking the same thing. I will even go to the expense of replacing the existing windows with dual pane. Now I just have to find the windows, and HOPE that they get installed without any leaks.
I am currently using the 5th wheel to start up various contracts across the US. I like the unit.

Tom of Ypsi
06-14-2006, 07:05 PM
Wish I had the dual pane wwindows. I ordered my Landmark without dual panes because I was told that they are not needed in a Landmark, it would just be an added expense and weight. Where would one go to get dual panes now and does anyone have any idea how much would the cost now?

06-14-2006, 07:29 PM
Tom, I am researching the replacement and install now. I asked the question if I could take it back to the factory, but Scott did not answer that question. Must not have that ability or may not want to start. I will post what I find. The cost is of a concern for me too.

06-14-2006, 07:57 PM
I will second that thought Ken. I to now know better.

06-15-2006, 08:07 AM
Dual Panes are not inexpensive. And the fact that a lot of people use their coaches only in the Midwest and not in the extremely hot Southern states, is why they are not standard. As manufacturers, we have to offer a lot of options to accomodate a lot of tastes and needs. When you factor in the rest of the country, dual panes are a "nice to have" - not a "need to have".


06-15-2006, 08:22 AM
Regarding having your windows replaced by "taking it back to the factory.." - we work with a service center (LSI) that is located less than a mile from the factory and they could schedule you in to have the windows replaced if you choose to do so. The cost is more than the option sheet would show - becasue the option price takes into account the difference between the two windows when being built - not the cost of the dual panes alone, which is what you would be looking at. You would also have a second set of windows which you may be able to salvage some where for money.
Note: the follow price is an ESTIMATE based on talking with LSI.
The costs are going to be approx. $1,800 for the windows and $900 for the labor (@$75/hour). Obvoiusly, that's a considerably amount of money.

06-15-2006, 09:13 AM
I wished my GG had dual pane windows my 2 A/C's need help in Texas.

Tom of Ypsi
06-15-2006, 01:54 PM
For $2,700 I could put a partial down payment and trade in on a new Heartland product. Think I will just keep what I have for now unless the factory comes up with a cannot refuse deal on a new Landmark:D

06-15-2006, 02:52 PM
I can't cut you a deal, but in today's economy, I know a lot of dealers who would love to get the expensive coaches off of their interest programs... Really, now is a great time to shop because a lot of the dealers are really motivated to sell their high-end coaches.


06-15-2006, 09:33 PM
Yea well I bought my unit on a GOOD deal from the Las Vegas dealer in JULY.. Oh by the way I should have know as it was 110 and all the units were locked up. So was it shipped from the factory to dealers throughout the US no mater what the config? To say " And the fact that a lot of people use their coaches only in the Midwest and not in the extremely hot Southern states" is a bunch of crap.. Why do you advertise nationally then? People who purchase your product are relying on the dealer network which you establish and you are the ones which have to stand behind your product and what it does or does not do...

06-15-2006, 09:45 PM
Greg and Rita (Racerguy),

This topic (3rd AC/Thermopanes) has evolved to debate/discussion. Questions were asked and answers were given. I respectfully ask that further debate on the matter be done outside of the Ask the Factory forum please.

As a suggestion, the "Landmark - Appliances" forum for the 3rd AC discussion and the "Landmark - Exterior" forum for the Windows discussion.



06-15-2006, 09:52 PM
I have no further questions or comments.

06-16-2006, 08:00 AM
I love forums! You just have to have thick skin and a sense of humor. I kind of like it when one person says of one of my comments, "You couldn't have said it any better..." and then another says, "that's a bunch of crap.."

You gotta love it. Really.

You're alright Racergu.

We just can't build every coach with the same specs across the country - that's why we have OPTIONS. Really, if you want to hit somebody up on this subject it would be the dealer. Why in the world wouldn't he order his coaches with dual panes in that kind of heat? I think that's the real question.


06-16-2006, 09:16 AM
Thanks for looking into replacement of the windows. I for one will ask that question to my dealer when I get back to Vegas. Don't get me wrong I LOVE my Landmark! Your support is appreciated but the midwest thing just struck me wrong. Oh well new day!
:) Thanks Scott for the replys.

06-16-2006, 10:23 AM
It would seem to me that a 3rd air conditioner is a bet of over kill. Your air ducts well be fighting each other for air to blow out. I would think if you need 3 air conditioners you will have to let the air blow out the quick chill only. Maybe you are haveing problems with the air ducks not sealed well or you are haveing air leaks in your slide out. I would all so think with 3 air conditioners running at the same time there would be alot of noise in your coach. Evans & Lana

06-17-2006, 09:43 PM
I hate to beat this subject to death, but I ordered my Bighorn 3655RD with dual pane windows and never once ran the air conditioning during our ten weeks in Florida during January-March.

We do not stay in the coach much during the day, but even when it was extremely warm, leaving the Fantastic Vent on while we were gone pretty much took care of our problems.

However, I realize that Florida in the winter months is not Arizona in the summer. I do believe though that dual panes are the only way to go if you have not yet purchased your rig.

06-22-2006, 11:18 AM
Look into a portable a/c sold by Lowes & Home Depot.
I have one & for about $250. you can cool a couple of rooms real well.They run on 110.
Just an option, and alot cheaper than adding a unit.
The one I have is a Wintair, check them out on the internet.
Good Luck

06-22-2006, 11:58 AM
We just saw one at Lowes this past weekend. I'll let all know if this does the trick. Maybe then it will put this horse to bed!