Author: Jonathan Kim

  • The Numbers Don’t Lie

    Early this year we installed a dual fuel 15 SEER2 heat pump with a 96 AFUE backup furnace. It was also our first A2L system since the refrigerant changeover. Today, I finally got a chance to dial in the refrigerant charge and fully commission the cooling system. We designed everything from system selection to ductwork.…

  • Sizing equipment? Not so fast…

    Let’s start by saying that this is not a discussion about doing load calculations vs. sizing by square footage. A load calculation is an absolute must! But if energy efficiency and comfort is your goal then sizing equipment doesn’t stop there. Here in Western North Carolina, we just experienced Helene so I’ll use a bucket…

  • The Importance of Testing

    When and why is it worth testing your HVAC equipment? Though testing may seem like just another cost, consider some common scenarios: Your system works but you still feel uncomfortable, notice strange indoor air quality issues that you can’t put your finger on, or maybe you’re looking to buy a house and need a thorough…

  • Why Dew Point?

    Why Dew Point?

    In terms of air conditioning, dew point is the temperature at which water will collect on the AC coil. Think of an icy glass of water that sweats on a humid day. At this temperature or below, moisture can be extracted from the air. This principle is essential to air conditioning. Dew point can be…