Questions About HVAC

Is it bad to run the air conditioning during construction?

Is it bad to run the ac during construction?

What’s that thumping sound when my gas furnace turns off?

i live on the second floor of a three family house. this fall, i had a carrier furnace installed inside my unit. the contractor placed it in the pantry and ran new ductwork along the ceiling in the kitchen and down the hallway. he placed vents in each room. he cover the ductwork in the pantry and hallway with a new ceiling (framed and drywall). after the ceiling was installed in the pantry, i began hearing thumping sounds when the furnace goes off. usually starts a minute or two after the unit shuts down. the thumping occurs ever 40 seconds to a minute for least ten minutes. sounds like it's coming from above the pvc exhaust pipes (there are two. the furnace vents outside. installed an ac unit as well). the contractor thought one of the pipes was expanding so he cut the ceiling around both pipes. but, this did not eliminate the sound. the sound does not occur when it's raining hard or for several hours afterward. then it comes back slowly. the sound occurs regardless of how long the furnace has been on but only if the blower has engaged. can hear it throughout my condo.

Installing a heater and insulation in a cold bedroom

I have a room that was added to my house when i got it and there is no instalation or heat in this room so i can't use it,cause its freezing in the winter so im using it as a storage now but will like to be able to use it as a guess room

Should I Have My Home Furnace Inspected?

We bought our home two months ago, and before we moved in we had a general house inspection. The inspector's report found nothing wrong with our furnace. I recently was looking at the furnace and saw some black stuff around the tubing that is coming out of the side of the unit. I don't remember ever seeing anything like it before. Is this normal or is it something I should be concerned about? I've also noticed that our furnace room always has an odor, not a overtly gassy smell, but an odor.

What Could Be Causing Radiator to Expel Less Heat?

My home has three floors, each with it's own radiator. However, the third floor doesn't seem to get all the heat that the first two floors do. I will have to set the heat in the winter time really high, close to 80 on the thermostat, so that the third floor will get warm. The problem with doing that is that the third floor will be pleasant, but the first floor will be a sauna. I did disconnect the radiator in the basement since we didn't need heat there. Could that be a cause of the issue? Please help, I'm trying to get this resolved before winter sets in again. Any additional information would be very useful.

How Long Can Home Insulation Withstand Direct Exposure to the Elements?

I am having a home built in Upstate New York. It is a custom modular home that was delivered to the site on June 5th. The home was delivered with Dow Styrofoam Tongue and Groove Insulation on the outside of the house and some siding covering parts of the home, but not all of it. While the home arrived in good condition, I am concerned about the exposure of the insulation sheets to the elements since delivery. Can the insulation still be as effective after their exposure? Is there a certain time before they begin to breakdown? I read that some insulation becomes less effective after being exposed more than 90 days to the elements.

How Do I Convert a Gas Fireplace Back to Its Original Woodburning State?

I want to convert my fireplace back to it's original state, from gas back to wood burning. Can I just remove all the gas fittings, or is there more to it? Of course, my number one concern is safety, are there any other things I need to be aware of during the conversion?

Who Is at Fault For Punctured HVAC Line?

I hired a roofer to fix a leak in my roof. While he was working, he punctured the refrigerant line for my AC system. The repair is costing me $700, so I need to find who is at fault so they will reimburse me. Both the roofer and the HVAC company are pointing the finger at each other. The roofer is saying that the pipes were installed improperly, too close to the roof. The HVAC company is saying that the pipes were installed properly, and that the roofer could clearly see that a refrigerant line was running into the house where he was working, and should have checked in the attic before hand. I want to fight for reimbursement from whoever is at fault. Who's mistake was this? The roofer or the HVAC company?

How Do I Install Radiant Floor Heating with PEX Piping?

I am currently working to install radiant floor heat in my home. How can I install in-floor heat with PEX piping on an existing cement slab on grade? I need to use PEX pipe not PEX to floor registers.

Air Condition Flow

We have an almost square house. Toward the garage are 2 bedrooms, 1 bath and laundry room. They are probably 15 degrees colder when the A/C is on. Meanwhile, the master bed and bath and the kitchen and living room are very warm. Help, we have tried closing vents, (still cold) stuffing towels in the vents to partially block...nothing seems to work. The house is 10 yrs old.

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