hvac vs sdhv

stlblufanJuly 31, 2012

I am in the planning stages of a total gut renovation of a four story row house / brownstone, roughly 4800sf (1200 per floor).

I plan to make the bottom floor a separate garden unit that will provide rental income. I will occupy the top three floors. I would like to have a heating / cooling system for the garden unit, another for the main floor, and a third for the top two floors.

My question is whether I should install traditional split HVAC units, small duct high velocity units, or a combination (for example, a traditional split system in the garden unit and high velocity units upstairs). Space for duct work is not an issue.

My contractor has suggested that a properly installed SDHV unit is better and more efficient than a traditional HVAC unit. Most of the reviews that I have read online suggest otherwise.

Thoughts?

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juliekcmo

What is your location? How cold are your winters?

My gut reaction says to price out a multi zone mini split for the basement apartment. With added electric baseboard heating. And do traditional ducted hvac on your main space.

    Bookmark   July 31, 2012 at 11:19PM
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stlblufan

This is in Hoboken, NJ. Winters can be cold but nothing crazy.

    Bookmark   August 1, 2012 at 5:36PM
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