Search: Posts Made By: acal2
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Replies: 2
Views: 499
Posted By acal2

possible to make brick patio waterproof?

I don't know HOW this ever worked...but....

house in the northern mid-west US (so, snows in the winter, thunderstorms in summer). front porch is a ~6'x6' little brick patio (not covered). And...
07-02-19, 08:13 PM
Replies: 1
Views: 480
Posted By acal2

Ducted dehumidifier with controls from one furnace and ducts to another???

2 story house + finished basement. each floor has it's own furnace (all in a control room in the basement, all are Carrier Infinity 98s circa 2006), upper two floor units have an AC (no AC for the...
07-02-19, 07:39 PM
Replies: 5
Views: 611
Posted By acal2

Thanks for the very clear explanation. It was...

Thanks for the very clear explanation. It was definitely previously wired up only as a single-stage heating and cooling system. I'm hooking it up to an ecobee4, which could handle the 2-stage if I...
06-28-19, 07:41 AM
Replies: 5
Views: 611
Posted By acal2

popped open the cabinet to check how it's...

popped open the cabinet to check how it's wired....and whatever it may or may not be capable of, it's currently being controlled as a single-stage. connections from the t-stat to W1, Y1, Y and R...
06-27-19, 08:22 PM
Replies: 5
Views: 611
Posted By acal2

Has Carrier Infinity 96 _always_ been variable speed?

House we bought awhile ago has 3 Carrier Infinity 96 furnaces (2 w/ AC, one heat only). They're from 2006, per the label inside.

I keep reading online that this is a variable furnace/fan unit with...
06-25-19, 07:47 AM
Replies: 10
Views: 662
Posted By acal2

" Seems like the cycles per hour will be lower...

" Seems like the cycles per hour will be lower when configured for hydronic heating."

is there such a setting? I haven't seen one. or, do you mean that it'll just do it automatically because the...
06-24-19, 10:20 PM
Replies: 10
Views: 662
Posted By acal2

But, Iím still unclear on the most basic...

But, Iím still unclear on the most basic questions:

- is a slab sensor actually needed? Is room air temp good enough?
- can the ecobee effectively control a hydronic system? I know itís...
06-24-19, 09:52 PM
Replies: 10
Views: 662
Posted By acal2

Looks like the ems si supports it. Any drawbacks...

Looks like the ems si supports it. Any drawbacks to going with that? Not so thrilled about spending 250x7 for thermostats but see few other options.
06-24-19, 05:58 PM
Replies: 10
Views: 662
Posted By acal2

How important are those slab sensors, really? If...

How important are those slab sensors, really? If we just ignore them and replace the tekmars with ecobees, using only their ambient air sensors, what happens? Will they even handle the hydronic...
06-24-19, 05:15 PM
Replies: 10
Views: 662
Posted By acal2

ecobee for 7-zone hydronic heating +forced air?

Hi & TIA for any help.

We have (to me) a complex HVAC situation. It’s a 3 story (2+finished basement) mostly-summer house in the northern mid-west US (so, quite cold in winter). We’re often not...
06-24-19, 05:02 PM
Replies: 3
Views: 1,051
Posted By acal2

Any concerns about the load on the fan for...

Any concerns about the load on the fan for spinning up for 5 minutes every hour? 24 starts / day feels like a lot, but maybe it's OK?
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