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I was talking to one of my sisters who lives in Florida, and she told me about someone she knows who was having trouble with her air conditioner shutting down. Naturally, that person called an HVAC company to come diagnose…
Imagine that you've got a problem with your air conditioner that requires you to call your local HVAC company. The technician comes over right away. You take them outdoors to the crawl space access so they can go in and…
Imagine that you've built a high-performance home somewhere in the southeastern US. It's airtight. It's well-insulated. The mechanical systems were designed properly and keep the indoor conditions just where they need to be. Now, you have an opportunity to spend…
Imagine a sunny spring day. You're feeling warm from the sun as you walk down the street. Then you go into a big concrete parking deck. Suddenly, you feel a chill. That's radiant cooling. (And it was radiant heating from…
Last week I spoke with one of our HVAC design clients. He's in the middle of getting his systems installed and had some concerns. We provide a list of do's and don'ts for changes the installers can or shouldn't make…
Those of us in humid climates know the importance of having good dehumidification along with good cooling for comfort. Dehumidifiers, however, blow hot air into the living space. So what happens when you add a dehumidifier? A lot of people…
No, that's not an art installation or a privacy screen. What you're looking at in the photo above is a hotel room I stayed in recently. Behind the chair and the ironing board is the air conditioning system. The bed…
When it comes to the air moving through your HVAC system, filter bypass is not a good thing. The lead photo above shows a bad case of bypass. What you're looking at is an old-style high-efficiency pleated filter. I don't…
It's time for another update of my ongoing personal heat pump case study. I wrote here in 2020 about how the inverter-driven mini-split heat pump serving most of my main floor is undersized for cooling and for heating. And I…
The most noticeable thing about an air conditioner is that it blows cool air into the house. When you come indoors after doing yard work on a hot summer day, that may be all that matters to you. But air…