View Full Version : Replace boiler or add high velocity a/c and heat pump?
09-01-2009, 08:04 AM
I have a 60+ year old boiler and no duct work. I would love a/c in the house but, don't know how efficient a heat pump is on a Unico or SP and if it is enough here in Pittsburgh where it gets pretty cold. Do I replace the boiler and get a/c when I can afford it or don't do the boiler and put in mini ducts with a/c and a heat pump. I will miss my hot water heat if I do this.
Please if anyone has any experience with the decision I would be very grateful.
09-01-2009, 10:50 AM
Moved to residential.
09-01-2009, 12:52 PM
If you want comfort, stay with your hot water heat and a modern boiler.
Is this a 2 story house? Still could be cooled with conventional ducting, doesn't have to be high velocity though it is easier. Don't need a lot of vents on the 1st floor since cool air falls. If single story, I'd definitely skip high velocity.
09-01-2009, 01:01 PM
It is a two story with a non heated attack that is finished with very small crawl space around the parameter. It isn't an easy job to do a/c in this home!
Thanks, I am looking at the boilers now.
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