Ask the Expert

Should I Use an Infrared Thermometer to Measure Air from a Vent? - Ask the Expert Episode 224

An infrared thermometer isn't the right tool for HVAC equipment. You should go to a hardware store and ask for an HVAC thermometer.

What Do I Do about Excessive Condensation Issues with my Air Handler? - Ask the Expert Episode 223

Excessive condensation problems usually means the condensate drain pan or tube is not getting the water out. Find out why and what to do in this video.

What Does FP Stand for on a Mini Split? - Ask the Expert Episode 222

On a MrCool Mini Split remote you will see a button that says "FP" and what that stands for is Freeze Protection. Check out what this cool feature does...

Can I Convert a Geothermal Closed-Loop to an Open-Loop System? - Ask the Expert Episode 221

Yes, provided that your property could meet all the requirements for an open-loop system and the geothermal heat pump you're using could be installed as an open-loop system.

Can I Add Multiple Air Handlers to a MrCool DIY Condenser (Updated 2020) - Ask the Expert Episode 220

A year ago it wasn't possible to connect multiple air handlers to a MrCool DIY Mini Split. But the MrCool DIY Multi-Zone has now made it possible.

How do Two-Stage Air Conditioner Units Work? - Ask the Expert Episode 219

Two-Stage Air Conditioner units change stages based on the thermostat. The thermostat controls whether the two-stage air conditioner needs the 2nd stage.

How Close To the Ceiling Can You Mount a Mini Split Air Handler? - Ask the Expert Episode 218

The space required to mount a mini split air handler near the ceiling is in the installation manual from the manufacturer. Watch this video for more...

Can You Change R-22 Refrigerant into R-410A Refrigerant? - Ask the Expert Episode 217

You can't change the chemical composition of the gas to turn R-22 refrigerant into R-410a refrigerant. However, it is possible to replace R-22 with R-410a.

Does MrCool DIY Offer Ceiling Cassette Air Handlers? - Ask the Expert Episode 216

There probably won't be a ceiling cassette air handler available for the MrCool DIY, though you can get them for the MrCool Olympus mini split series.

What is the Smallest Mini Split? - Ask the Expert Episode 215

The smallest mini split I've ever heard of was a 6K BTU unit. Most mini splits are going to be 9K BTU and above.

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