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New Build - Forced Hot Air vs. Radiant

last month

We are doing a new build in the SLC area (high, western desert - dry. Hot summers, Cold winters). We need heat and AC. Basement will likely have concrete floors and radiant only as we don’t need to add cooling there.

Question is upstairs — do I do a mix of radiant and AC? Or forced hot air and AC (use same ducts)? I would like to have 1 zone on main floor and 1-2 zones upstairs (we like bedrooms cooler). Don’t have an unlimited budget, but want to choose wisely for what is energy-efficient. I HATE the dust that comes out of the ducts of our current home.

As for AC - we’re talking about smaller units, not the big units we currently have. What about mini splits? We need AC to cool the house down from 4-8pm, but minimally overnight except on the hottest of days. I want to invest in something that we will love 5-10 years down the road. Note, the house will have a very tight envelope (we know we need to use an ERV, which has be asking a whole other set of questions).

Any help/advise would be appreciated!

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