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  1. Thanks S.T Ranger and Billygoat22. It's gas heat...

    Thanks S.T Ranger and Billygoat22. It's gas heat and only one handler for heat and AC but I don't know if it's a heat pump or not. At home I have a boiler and completely separate AC set up so I'm...
  2. Condensate not being directed into drain pan...HELP!

    Hello all. First, I'd like to thank everyone who helps we homeowners here with our HVAC woes. I have had a recurring problem with one of the air handlers in our house that no one seems to know how to...
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    Help Figuring Out Boiler Options

    Hi. I haven't been here for a little while, but would once again like to thank the pros who help lay people like myself understand the complicated world of HVAC.

    I am getting ready to replace a...
  4. Lots of good information. Thanks all. I'm pretty...

    Lots of good information. Thanks all. I'm pretty sure that a combi unit won't work for us. Our house is about 3400 sq ft with 3 baths. The girls are at school now most of the year but you never know....
  5. Thanks for the replies. Think I'll stay away from...

    Thanks for the replies. Think I'll stay away from the Navien. I've been doing more reading and am pretty confused at this point. What I would like to have is a boiler/hot water system that is as...
  6. I just read Jtemple's long thread on her troubles...

    I just read Jtemple's long thread on her troubles with her combi installation. Because I know nothing about these units, I'm not sure it's the way to go but I do trust my HVAC company. Can anyone...
  7. Please educate me on combi boiler/dhw heaters

    Hello all. I had an energy audit since my last post. Turns out I don't need whole house ventilation since I get about double the air changes I should (haha...old houses). One of the recommendations...
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    It's a crawl space under a beach house at the...

    It's a crawl space under a beach house at the Jersey Shore so somewhat humid most of the year.
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    Unfortunately, I didn't meet with the HVAC...

    Unfortunately, I didn't meet with the HVAC company yesterday due to a medical emergency. However, I checked out the ducts and they are flex. I think they are under the batting. So, my current plan is...
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    Thanks Glenn. I already have the dehumidifier and...

    Thanks Glenn. I already have the dehumidifier and it's a high efficiency one so it doesn't use a lot of energy. I need to keep RH<50% so no mold grows, unless I spray foam the floor. Have to check...
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    So, if the ducts run between the joists, they...

    So, if the ducts run between the joists, they have to be removed before spraying. Sounds expensive. I think the best plan is to cover the floor, seal the vents, seal the ducts and dehumidify. If I...
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    Thanks for all the great info, Energy Rater. I...

    Thanks for all the great info, Energy Rater. I will definitely go over everything with the contractors. I have one question though. If I have all of the duct work and around the vents and plenums...
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    Whole house dehumidification and ventilation is...

    Whole house dehumidification and ventilation is something I'm planning on discussing with the HVAC guy. I'll report back with his suggestions.
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    Thanks for weighing in, TB. I'm off to Radio...

    Thanks for weighing in, TB. I'm off to Radio Shack tomorrow. If covering the floor, running the dehumidifier and sealing the vents doesn't work, I have one more question for you guys. My next step...
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    Thanks again for the quick reply, ER. I have been...

    Thanks again for the quick reply, ER. I have been running the SaniDry for about a year. I have no idea how often it cycles. The hose drains about 2 feet from the house. It's still not dry enough (it...
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    Thanks Energy Rater. I'm not sure where the ducts...

    Thanks Energy Rater. I'm not sure where the ducts are but they're not on the ground. Mu guess is that they run between the floor joists and are hard not flex. It's a big house and there are at least...
  17. You're absolutely right about the water problem...

    You're absolutely right about the water problem in the basement, Vstech. I just don't know if I can stomach having the work done. We had extensive landscaping done a few years ago which I'd rather...
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    The Jersey Shore

    The Jersey Shore
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    HVAC Ducts in Unconditioned Crawl Space

    Our beach house has a vented, unconditioned crawl space with a sand floor through which the HVAC ducts run. The furnace is in the garage. We had serious humidity and therefore odor problems last...
  20. How to get clean air from a/c ducts? Please help.

    Hi. I'm new to this forum (though was posting in the wrong place the other day. Sorry) and have many questions about the smelly air conditioning in both my homes. Since the problems are very...
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    I had the same problem when my crawl space got...

    I had the same problem when my crawl space got too damp. It turned out to be the insulation. Once we dehumidified and the insulation dried out, the smell went away.
  22. Yep. Windows are never open due to daughter's...

    Yep. Windows are never open due to daughter's allergies. Thanks for all your help. I think I'm ready to meet with the installation company.
  23. I could talk crawl spaces all day; mine give me...

    I could talk crawl spaces all day; mine give me such a headache! But that's a different discussion.

    Back to my city home. If the return is on the first floor, the dehumidifier won't dry the...
  24. One other question. If the return is in the first...

    One other question. If the return is in the first floor, how will the basement, which is quite damp, be dehumidified? Seems to me it will still need it's own unit. Am I missing something?
  25. Thanks again, TB. I've finally read enough that...

    Thanks again, TB. I've finally read enough that I'm beginning to grasp some of the fundamentals behind whole house ventilation etc. We're in the Philadelphia area in a 120 yr old 3500 sq ft house. We...
  26. Thanks, TB. We have radiator heat so a...

    Thanks, TB. We have radiator heat so a ventilation system would only be tied into the air conditioning, which, being high velocity, isn't exactly quiet. Would be have to run the fans 24/7 during the...
  27. Air filtration help needed for High Velocity system

    Hi. I'm new here and have been trying to read through some old threads on air filtration but there's so much I don't understand, so please forgive me if I'm asking something that's been asked a...
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