Parts & Supplies

The Duct-Free Zone

Is evacuation the weak link in the mini split installation? I think so…and I think for many of us, we have never had a good understanding of why we evacuate and how a vacuum pump works. Lets see if we can shed some light on it right now. Most mini...

5% VS. 15% Silver Solder (Brazing Rod)

First, let’s get straight that BRAZING is when you use a filler rod that isn’t the exact same material as the base metal but that melts ABOVE 840°F. Soldering is the same but at temperatures below 840°F. With HVAC rods melting at around 1200°F it...

HVAC GAME CHANGER: Instant Float Switch Alerts

Nobody likes to get a call from a customer to hear that their air conditioning has stopped working and their house feels like a sauna. It usually means that we rush over a senior tech, often after business hours, or on the weekend. When the tech...

TRADEPRO: USA Motor Run Capacitors

The TRADEPRO USA brand of motor run capacitors are designed and built to meet or exceed the EIA 456 Standard for motor run capacitors and the IEC60252 standard for class 2 (same standard that VDE uses). TRADEPRO USA capacitors are the same designs...

Tech Tips: Balanced Port TXV

I walked into a supply house the other day and I was looking at a “universal” expansion valve on the shelf. The friendly guy behind the counter saw me and walked over, after saying hello he offered “That’s a great valve, it’s even balanced port”...