Ductless a/c units > GreenBuildingTalk - Green Building Forums on Insulating Concrete Forms (ICF), Structural Insulated Panels (SIP), Radiant Heating, Geothermal Heat Pumps, Solar Power

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AUSTENNN

Registered Users

Posts:14

08/05/2008 12:39 AM
Anyone have experience with the ductless split systems. I need just a touch of A/C for 2 months a year and am looking at this as an option to a full blown A/C system. Seems to not require ducts and wall buildout which is important in that a SIP house has vaulted ceilings. I can match the size to the small need I have and they are rated at 15 SEER. Pros and cons?

seaglade

Registered Users

Posts:29

08/05/2008 10:25 AM
I have used a Mr Slim Mini split system, 17 SEER, for a year and I love it, very very very quiet, I built a steel SIP cottage with 14' vaulted ceiling, if I put the temperature below 80 it is to cooooooooold. I highly recommend this system. My HVAC Guy had only good things to say about this brand to.

hudelhaus

Registered Users

Posts:9

08/25/2008 10:01 AM
With your steel SIP cottage, don't you need a HRV? Or do you just open the window? :)

seaglade

Registered Users

Posts:29

08/26/2008 8:45 AM
Posted By hudelhaus on 08/25/2008 10:01 AM With your steel SIP cottage, don't you need a HRV? Or do you just open the window? :) My steel SIP cottage is only 400 sq ft, so my Cats and Dog going in and out their pet door, let in plenty of fresh air. One thing I did notice after living in a SIP cottage over the winter I will need to run a dehumidifer when I use the heat pump, inside the cottage it get very wet.

shortincash User is Offline

Registered Users

Posts:1

08/31/2008 6:26 AM
Hello: Can anyone explain to me, please, what is the difference in between Mini Duct Sysytem and Small Duct High Velocity Central Heating & Air Conditioning System, such as Unico System? Thanks

Dave Yates User is Offline

Registered Users

Posts:2

09/07/2008 8:08 AM
We have installed several hundred mini-split systems. I'd suggest you consider utilizing an inverter system, which gives you true variable speed so that the mini-split matches its output to the room's actual heat/cool load at that moment in time - all while sipping just the energy required to meet demand. There are models available with 21-SEER and 11-HSPF. Many models incorporate a dehumidification mode while maintaining desired room temperature.

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