Ventilation

Anyone know what model Make-Up Air Fan this is?

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Anyone know what model Make-Up Air Fan this is? submitted by /u/TF_Dave33
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Little bit of Combi action! Really liking these HTP units.

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Little bit of Combi action! Really liking these HTP units. submitted by /u/Stubeezy
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Dual Mini-Split: Am I being ripped off?

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Hi all, I hope this appropriate to ask here. If not, feel free to redirect me.

We got an estimate to have a dual mini-split installed (One up stairs, one down stairs). The contractor thinks 18k BTU (I agree) for each floor and has recommended the Carrier 21 SEER model. I was under the impression that one of these was around $4.5k installed, so I was surprised to find that for both he was quoting us almost 10K (with Tax). He was very hesitant to give price breakdowns, but did say labor was $1800 . . . so that leaves about 8K in materials/permits which doesn't add up to me. Any help on whats going on here or how to navigate it? Is that equipment just overkill? Thanks!

submitted by /u/Believable_Nova
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Gas Hearth Heater w/ No Blower – Options?

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I rent an apartment in a traditional New England triple-decker. The heater is similar to this but without the nice front. This unit is installed in the kitchen and does not have a blower installed, so the heat just rises to the ceiling and leaves the rest of the apartment chilled.

The far bedroom is about 20-30 feed away from the heater, through two doorways, and I'm looking for a way to get some heat over there and away from our toasty ceilings. I've considered purchasing the factory blower and having it installed, but I've very hesitant to spend money on my (not great) landlord's house. Any thoughts?

submitted by /u/NinjaoftheNorth
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Baseboard heat issue – 1 out of 3 zones not heating up enough >>

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We have a three zone system in our recently purchased house that had an extension put in around 1999. The original part of the house dates by to the 1800s but has been renovated heavily. The entire "old" part of the house (both 1st and 2nd floors) are one single zone, while the new extension is split into two zones. The old part zone is the one with the issue.

It seemed to get warm enough just fine until this recent cold weather spell we've had in the NE since this past weekend. I've turned the thermostat all the way up to 85 just to see if it I could get it to run continuously, and it never goes above 66 degrees F in that part of the house. The baseboard heat exchangers are warm to the touch, but nowhere near the almost-too-hot-to-touch temperature they usually are.

My FIL checked the zone valve and told me its open. Could I have a bad circulator pump? From what I can see, we have two, with one of them possibly for the old side of the house zone. Or is it simply I have a lot of air in the lines? Why would this have suddenly happened?

Thanks

submitted by /u/A_Tang
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