HVAC Discussions - Main Page

HVAC Discussions Heating, ventilation and air conditioning.. This forums is a Web, Mobile and Social Media interface to alt.hvac.
There are 29090 articles in 2931 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Inducer motor needs to be replaced?


January 16, 2018, 6:53 pm

Elderly mother had her furnace inspected by company that originally installed furnace 16 years ago. Serviceman/technician stated to her that the inducer motor is working but you might want to replace... Read more »

oil tank fill whistle


January 15, 2018, 11:01 pm

had a new 275 gal oil tank installed. Oil company fills up but i ran out of oil in less than a week. Delivery man can not hear whistle and so he doesn't give enough oil fearing he will cause a flood.... Read more »

Gas furnace burners not turning on


January 8, 2018, 10:56 pm

*HELP PLEASE! *I have old Bryant Gas Furnace Model # 397HAW036A..The system kicks on, pilot light starts clicking, but blowers do not ignite. If you hold switch near furnace panel down the blowers ... Read more »

Humidifier stopped working, bad board?


December 30, 2017, 3:07 pm

My whole house powered humidifier stopped working last year. Finally decide d to do some troubleshooting and noticed that the 24 volt humidifier circui t is never getting triggered. Using a voltmet... Read more »

Ecobee3 humidifier power internal or external which one is better?


December 29, 2017, 6:58 pm

Hi! Question for those who know. Is there a benefit of using an external 24VAC source to power the humidifier like - EAC/HUM output on the furnace board vs taking it from the T-STAT. My ecobee3 can b... Read more »

Fresh air intake wood pellet stove


December 27, 2017, 9:58 pm

Why is the fresh air intake pipe so wet?There is a lot of water dripping from it. Read more »

Heat pump and oil running at same time


November 27, 2017, 8:09 pm

I have Raheem hp with rheem oil furnace for emergency heat. The hp and furnace are running at same time. Hp comes on 4 minuets later oil comes on. Both are running at this time Stay says heat and au... Read more »

Bryant Plus 90 Error Code 34


November 22, 2017, 10:38 pm

Code 34:Diagnosed--Replaced ignitor, sensor, and electrical board.!!Now....Turns on, fan runs, ignitor gets red, flame come on for about 3 seconds, flame shuts off....Code 34 again UGH. Please help. Read more »

R744 / CO2 refrigerant.


November 16, 2017, 8:53 am

Hi, I have been reading for years about the advent of R744 as a refrigerant. I understand that Mercedes Benz and/or BMW have elected to use R744 in some i n-vehicle air conditioning systems. Asi... Read more »

carrier 3 wire pilot gas furnace random lockup, pls help


November 15, 2017, 7:11 pm

hope someone here could offer some hints what is next for me to try. Sorry for long description old Carrier gas 394GAZ048125AAEA, 3 -wire-igniter furnace (bi-metal flame s afety switch) . Sever... Read more »

Click here for other recent discussions »

The best rated discussions

Heat Timer ETP control panel

rating: 5

I have a Heat Timer ETP control panel, which controls a gas boiler for an apartment building. It's not working that well and was wondering if the circuit board can be cleaned? If not, what is the... Read more »

fan short cycles but it isn't the switch

rating: 5

I have a problem with the fan short cycling when the house is cool. The house may be around 65 and the furnace kicks on and then the fan kicks on and off in maybe 30 second cycles for maybe 10 minute... Read more »

heat exchanger noise

rating: 5

10 year old Armstrong gas forced air furnace makes a muffled boom noise 10-15 seconds before blower turns off after a heating cycle. Service man states its the heat exchanger. Company will warranty ... Read more »

No power to Thermostat + Electric baseboard heater

rating: 5

I have a electric baseboard heater in my bathroom which does not work. I just bought this house, so no idea if it ever did. I opened up the thermostat and checked to see if the thermostat received an... Read more »

heat pump repair/replace?

rating: 5

Hello, I've got a HEIL heat pump (details below) that keeps blowing the circuit breaker. I replaced the 60A dual breaker today. I've tried having the unit controlled to Off and turn the breaker... Read more »

Slightly off topic ; Has anyone tried electrifying their aluminum window f...

rating: 5

Theres a couple of shady characters in the neighborhood and living on my own im often away from the house . There is one particular window that is on the backside of the house that would be ideal to... Read more »

Advantage of Azeotropes?

rating: 5
  [ 2 ]

I can figure out what azeotropic refrigerants are, but not why. What's the advantage? Or is is just a way to get the boiling point of non-CFCs to match the older CFC single-component refrigerants?... Read more »

Does this inducer fan on my new furnace look normal?

rating: 5

Here's a video of the inducer fan on my new Carrier 58CVA forced air gas fu= rnace: =20 http://www.youtube.com/watch?v=3D661gZz1OspY When capturing this video, the furnace was shut off and I had spun... Read more »

Running a mini refrigerator upside down?

rating: 5

Hey everyone, I am looking to build a kegerator and can't find a mini fridge without a shelf at that bottom. Ideally the shelf should be at the top like this unit.. http://www.beveragefactory.com... Read more »

How do I seal copper pipe under pressure?

rating: 5
  [ 2 ]

I'm building a heat exchanger. It's 12 sections of 1/4 soft copper pipe half full of R134a. Only problem is filling/sealing them. I need a bunch, so a fill adapter for each one is outa the question. ... Read more »

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.