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Condensate Drainage in a High Efficiency Gas Furnace
This article was written by HVAC/furnace technician Benoît Mongeau. Thank you, Ben. High efficiency (or 90%, or condensing) furnaces use a set of two heat exchangers to retrieve more heat from the combustion products than their mid-efficiency counterparts. Because of this, they generate flue gases much colder than those of a mid-efficiency or […]Read more
Do you know how a solenoid valve works? Really? On the surface, I think we all understand how a solenoid valve works. The coil energizes, creating an electromagnet. That temporary magnetism lifts an iron plunger within the valve allowing refrigerant to flow. But is it really that simple? It turns out that the answer isn't […]Read more
You Can’t Eat Soup with A Fork........
Not if you are hungry, anyways— A true story. I have a good friend who owns an HVAC company. Not much of a Ph.D., but he is known to be honest, doesn’t pull vacuums through manifolds, and claims to almost always use American-made capacitors. We’ll call him Captain Kirk. He called me recently, quite worked […]Read more