Heating & Cooling in Portage, Indiana | HVAC Services | Winfield | Sub-Cooled LLC provides Heating & Cooling repair and installation. Affordable furnace, air conditioner, and boiler repair & maintenance.

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Amana S Series High Efficiency Heat Pump installed outdoors in Valparaiso, Indiana

Jun 29, 2025

Upgrade Your Home Comfort with the Amana S Series Heat Pump: Efficiency, Reliability, and Peace of Mind

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2-stage gas valve for a furnace by Sub-Cooled Heating and Air Conditioning, featuring ON/OFF and HI/LO settings

Oct 13, 2016

How does a two stage furnace work?

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Sep 10, 2016

Whole House Humidification Valparaiso, Indiana

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Aug 29, 2016

Why did your heating contractor shut down your furnace?

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Aug 24, 2016

Is your homes CO detector really working?

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Jul 21, 2016

Why is the Air Conditioner Blowing Hot Air?

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Jul 14, 2016

Don’t let a bad HVAC system ruin your sale or home inspection!

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Jul 11, 2016

Air Conditioning Tips

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May 14, 2016

Whole House Dehumidifier

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Apr 25, 2016

Heating and Cooling | Northwest, Indiana

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