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Hi there, I'm looking into installing an attic fan on the roof to vent hot air in the summer times, so to hopefully help reduce somewhat of the AC bill. The residence is a single-story SFH that faces NW(15 deg)/SW. On a typical day (like now), the wind is from NNW @ 10-15mph. There is a...

Thank you so much for the help -- very helpful! In changing to run the compressor at the lower 991 CFM fan flow rate on cooling, I'm in a relatively dry climate thru'out the year, so hopefully this won't pose a problem of freezed coil... . I've just tried running on low-heat only today. So...

Thx much for the ideas. For CFM and Fan speed: The Heil model # is H9MVX060F12. You're right there are 4 fan speeds. I read the install manual and it stated that the 'speed taps are set based on a nominal 400CFM per ton cooling and the basic mid range on the temperature rise for heating.'...

Hi there, I had a contractor install a new set of HVAC 2 years back: - replaced old 85% gas furnace w/ 95% efficiency 60K BTU variable speed 2-stage Heil furnace - installed new Bryant 3 ton legacy single-stage air conditioner + AC coil A few things I'm trying to tackle right now: 1. The...

His suggestions... Instead of the wires stapled along the edge of the two 2x4 double top plates like they look now, we can - first drill 7/8" size holes thru' the top plates at the needed spots and allow wires to run thru' the holes when they need to go vertically thru' the plates. Above...

Hi, Thx for the response. I am only installing one new wire. Which picture are you referring to (I've numbered the pics now)? There are several segments of the line. For the line segment in pic #1, it's the existing line, which runs (dangling) from the ceiling joist -- straight to the...

Hi there, First post here. Relatively new DIYer so trying to learn a lot on many things. I'm trying to run an electrical line to feed the outdoor motion sensing floodlight with a switch. Have a couple of questions whether existing line run is correct and also what the right way to run the...