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If some HVAC experts can answer some questions, I'd greatly appreciate it. I have a 2 story 4 bedroom colonial with a total area of 3000 sq ft. and the upstairs is about 1200 sq ft. The house is 35 years old, with typical tract house 2x4 construction and it has a basement and attic. Attic...

I have an American Standard heat pump and propane furnace for backup in my house. When the propane furnace is running (installer has crossover from heat pump to backup at 40F) below 40, the furnace runs for what seems like enough time (5+ minutes) before cycling. However, when in heat pump...

I'm looking for some recommendations for a general automotive work light or lights. If it's relevant, I will be using it under a 2 post lift. What style and features should I look for? What are the pros using? Thanks.

I had a toilet flange leak that caused buckling of the hardwood floor. The area is mostly covered by the toilet (see picl). I am waiting for the floor to finish drying and I do have access to the subfloor as this is above the basement. I did relieve the area around the toilet flange where a...

I use the watch thread without sending emails feature. The feature works fine under most conditions, but I was missing updates on many watched threads and couldn't figure out what was going on. After some analysis, I think that the issue is related to new posts and when you read the thread...

I moved a second floor bathroom light/vent to a new location. Attic is a standard vented type with blown in insulation, soffit and ridge vents. The existing plastic vent duct, plastic encasing a wound wire, is now too short to connect to the new fan. Does it make sense to buy some insulated...

I purchased a medicine cabinet that has led lighting in the doors. The cabinet frame is extruded aluminum. There is a hole drilled in the side to run the electric supply cable into an internal sheet metal housing. The hole has a simple grommet for protecting the cable. See poor picture below...

Newbie with one auto body class that I took ages ago, but with plans for body work and painting post retirement. I have an 80 gallon, 16 cfm @90 psi compressor. Someone is selling a few paint guns on Craigslist. Should I look into it or run away. If they are worth checking out, what should I...

Would one of you check the 2017 NEC code requirements when a replacing an existing electric range or do you know offhand? Currently I have a 3 wire feed that is hard wired to the range. Does the 2017 Code require that I replace the feed with a 4 wire outlet/ plug? Thanks.

There are many threads in this section of the forum asking about sizing 100 Amp subpanels, yet when I run the NERC calculator @ electrician2.com (NEC Table 310.15(B)(16) Conductor Size, OCPD, Voltage Drop, and Equipment Grounding Conductor Size Calculator), the calculated cable size (#1 Cu) is...

My new detached garage structure is now built, but I need some electrical advice. The plan is add a 100 amp sub panel fed from the main house 200A panel. I had (2) 2" conduits buried during construction to run the feed into the garage plus a spare for future cable/internet etc. I have 2...