Recently we purchase a combination Samsung microwave / range hood. The venting system is 4-speed using 2 backward impeller fans. I measured the exhaust flow at the highest speed on the output to be…Continue
Started this discussion. Last reply by Roman Oct 18, 2013.
Thought I would throw this one out in the event someone has come across this problem before.My model 3 Minneapolis Blower has a white plastic flow sensor mounted on the motor. The sensor leaks at the entry of the metal hose nipple into the white plastic housing. See photo.Does anyone know of a reliable repair method for this connection? It looks like the tubing is integrated into the hole of the plastic housing along with the metal nipple. Thanks for readingRoman See More
The bible on how to reduce energy costs, affect HVAC repairs and improve comfort in residential dwellings.Easy to use Equations and all! Most recent edition 2013, by Krigger and DorsiExcellent condition $60, text or cell 647-833-2010See More
The bible on how to reduce energy costs, HVAC repairs and improve comfort in your dwelling.Easy to use Equations and all! Most recent edition 2013, by Krigger and DorsiExcellent condition, $45.See More
Centrifugal - NEW Variable speed - Very quiet1140 CFM Free air, up to 1000 CFM flow @ 50 PaBase blower Vortex VTX1200Good for duct testing, pressurizing or depressurizing.Can also be used for ventillating, drying, dust removal,125V AC, with safety grill and stable stand.12-in inlet with 10-in removable inlet reducer,25 ft flex ducting and speed controller also available.Asking $300.Thx for lookingSee More
This is a professional meter for non-destructive surveys. Original owner purchased 2012; very gently used, near perfect condition. Comes with heavy duty padded carrying case and 3 ft aluminum extension pole and manual. A check on EBAY seems to indicate $900 is a fair asking price. Thanks for looking.See More
Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment you have to sell, trade or wish to purchase.Please post the equipment age, serial numbers, condition, warranties and asking price.See More
"Hi Paul and Chris
I appreciate your helpfull suggestions regarding different airflow measuring techniques.
I chose the anemometer approach due to its simplicity as well as being able to easily average 9 readings over the scanned…"
"I second Paul's suggestion to use a duct tester and a cardboard box to measure the range hood flow.
It sounds like there are multiple inlets on this model, though. So you have to be sure that the box captures all of them.…"
"A duct tester can be used to test a range hood pretty effectively if you can create a box to go under the whole assembly. The duct tester works as a powered flow hood so the air going through the fan in the hood should equal the air going…"
"Home Energy Magazin has a picture of how to use a box to measure flow at a range hood from an August 2012 article. You can use the Energy Conservatory Flow Meter, or make a similar box and cut a hole. Simply poke a hole for a manometer…"
"We have measured the airflow with a cardboard tunnel and anemometer.
Can you provide a sketch of your method and we will try it. There is some confusion where you are suggesting in placing the manometer probe in relation to the 5 x 5 orifice…"
"There are several factors affecting the effectiveness of range hoods, height, length and width, and CFM. A fairly accurate way to measure the CFM flow is tape a corrugated cardboard box across the range hood to completely seal it off, then cut a…"
Great question! You have run into the dilemma of installing a microwave / range hood! None of them pull enough air(as you said, 100 cfm), as tested by the only trusted authority on appliances and home energy, Consumer Reports.
"Hi Roman -- this may sound too simple but this test answered some questions for me about my microwave/exhaust combo. Open your kitchen door or window after you turn your fan on and see if it doesn't improve the draft. My 1990's…"
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