Tag: furnace

18 Do thermostat-controlled, auto-adjust HVAC vents exist? 2010-07-22T20:03:32.617

11 Does lowering the blower speed of a forced-air furnace lower its efficiency? 2010-12-12T21:50:07.527

10 What does a Summer/Winter switch on furnace air ducts do? 2013-02-25T19:58:35.083

9 Should I insulate steam pipes in the basement? 2010-07-22T20:13:31.360

9 How can I audit my furnace? 2011-01-06T19:24:13.757

9 Should I relocate the HVAC unit in my attic? 2012-10-12T17:24:34.520

9 What does this device on my new furnace do? 2015-10-18T06:18:57.083

8 How much energy will continuously running a furnace fan use? 2012-11-28T18:46:03.557

8 How do I identify the C terminal on my HVAC? 2013-11-08T18:11:36.907

8 Why are furnace/central AC blowers so inefficient? 2014-05-06T15:16:52.137

7 Where should my furnace filter go in a Lennox G40UHX series furnace? 2010-07-29T22:35:34.550

7 Decrease dust in an old house, forced air 2015-03-07T12:38:00.493

6 How do I prevent ice stalagmites from building up on the furnace exhaust? 2011-02-08T21:29:06.563

6 Insulating ducts in a crawlspace 2011-02-16T06:10:18.043

6 Can an electric dryer be next to the gas furnace? 2012-01-05T17:49:09.777

6 Is there a way to find out how often your furnace is running? 2012-01-12T20:02:24.420

6 Do I need a rain\snow cover on this furnace vent? 2012-02-27T19:16:55.293

6 Which way does air flow into a furnace? 2013-01-03T21:08:41.213

6 How can I prevent my furnace and A/C from slamming doors? 2015-02-28T02:08:10.990

6 How many wires can be connected to the C terminal at the furnace? 2015-12-18T18:44:07.203

6 Rust and ash in my AC/furnace - should I be concerned? 2017-11-09T20:51:15.157

5 How often should the air filter in the furnace be changed? 2010-07-28T20:42:56.340

5 Are discount furnaces safe to use? 2010-09-10T22:35:50.580

5 Why do our baseboard heating pipes make a loud banging noise after a new furnace was installed? 2010-11-08T17:52:08.630

5 Can I close the garage vent on my furnace? 2010-11-10T04:47:37.550

5 Why does my furnace need frequent power resets? 2010-11-22T14:51:14.203

5 Why do I have two parallel gas pipes? 2011-04-02T05:48:32.760

5 Should the fill line be removed when decommissioning an old oil tank? 2012-06-18T21:30:14.050

5 How can I avoid cold rooms due to combustion air intake? 2012-12-30T03:37:39.470

5 If I turn off the breaker to the Gas furnace will the pilot light go out? 2013-02-25T19:21:12.473

5 How do I prevent harmonic resonance hum in PVC vent of newly installed hot water heater? 2013-12-17T18:50:50.310

5 How do you calculate the right size furnace to maximize efficiency? 2016-11-14T14:44:50.907

4 Why would a furnace overheat with a standard density filter? 2011-01-02T04:35:07.577

4 What should I do with old furnace filters? 2011-01-07T13:59:54.953

4 Can a washer and dryer be next to a water heater? 2011-04-02T05:41:22.207

4 Why won't my furnace turn off? 2011-11-29T19:28:27.150

4 Why does my pilot light keep going out? 2012-01-09T22:41:47.120

4 What would cause my furnace to only work with the filter removed? 2012-01-18T13:48:00.723

4 How can I determine why my furnace is not blowing enough heat? 2012-01-21T21:53:27.357

4 Should my thermostat's blue wire be going to W2? 2012-10-03T16:01:24.207

4 Why does the pilot light go out when the furnace is running? 2012-12-19T15:38:05.500

4 What's causing the rumbling sound when my furnace kicks on? 2013-01-15T01:47:50.777

4 How can I unbend a bent furnace filter slot? 2013-02-12T05:21:35.223

4 Why would my Goodman gas furnace start but not stay on for more than 2-3 minutes? 2013-11-19T19:14:14.380

4 What to do first in a house with poor thermal performance and high energy bills 2014-02-11T04:20:41.033

4 What could be causing vibration in my furnace? 2014-11-02T01:05:00.690

4 Will heat set off a smoke detector placed in an attic? 2015-03-04T15:57:14.183

4 Is it alright to run furnace and turn off gas? 2015-06-25T19:59:01.920

4 How bad is it to attach a gas water heater to a gas furnace electrical circuit? 2015-07-15T03:01:05.523

4 How to Lower the Ouptut of Oversized Furnace 2016-01-15T16:25:51.203

4 Does this NM cable require protection? 2016-05-05T04:25:59.327

4 Working furnace but smell like electrical fire 2017-01-15T06:12:04.373

4 Why does a furnace need a fuse? 2017-10-06T01:35:59.910

3 Why does the gas furnace blow cold air at the start of the heating cycle? 2010-12-03T02:29:00.243

3 Where can I find resources on Gas Furnace manufacturers 2010-12-04T20:22:04.770

3 Can I connect an outdoor wood stove to my current HVAC system? 2010-12-10T16:40:31.487

3 Why is my furnace blowing cold air? 2010-12-24T13:47:28.780

3 What to do about furnace that's drawing gas odors into the room instead of heat? 2011-03-05T17:16:40.097

3 Can I piggyback a thermostat with a C Wire hookup on a furnace? 2011-11-04T16:08:33.203

3 What would cause a furnace to shut off prematurely? 2011-11-26T15:12:43.633

3 How well would a hydronic furnace work with a gas tankless water heater? 2012-01-04T01:32:19.560

3 How do I troubleshoot an electric furnace? 2012-02-22T21:44:52.207

3 How can I prevent water from entering through water heater/furnace exhaust vent? 2012-03-31T10:13:16.080

3 How do I wire an old furnace motor so I can use it as a garage exhaust fan? 2012-06-19T22:16:34.893

3 Is it normal for air to be leaking from where the drain hose connects to the central A/C unit? 2012-07-06T19:01:00.953

3 How can I test whether my furnace issue is the limit switch or the thermostat? 2012-08-29T02:38:51.210

3 How to wire multiple thermostats 2012-11-14T19:09:16.990

3 Is it expensive to switch from an 80% to a 90% efficient furnace, to comply with the new mandate? 2012-12-20T22:17:43.530

3 How can I stop my boiler from making all this noise? 2013-01-22T15:20:30.797

3 Why is water collecting in the base of my furnace? 2013-04-13T15:52:24.120

3 How is a high altitude natural gas burner different? 2013-04-17T23:19:08.977

3 Should I use a quick or gradual 90 in my flexible A/C ductwork? 2013-07-27T13:08:02.627

3 What is this name of this vent attachment next to my furnace? 2013-08-21T13:03:06.430

3 Gas furnace kicks on then off frequently 2013-11-28T12:07:35.740

3 Can a furnace with a variable speed blower be used in a multistory house? 2014-10-09T01:40:05.323

3 What is the smell coming through my HVAC system? 2014-11-10T20:10:23.267

3 What could cause a flame sensor to stop working so frequently? 2014-12-18T19:08:42.873

3 Can I connect an electronic air cleaner to the 24v terminals of my furnace? 2014-12-23T00:04:59.997

3 Can I use the T terminal in my furnace as the C for a Wifi Thermostat? 2014-12-31T20:30:12.187

3 Goodman gas burner not lighting 2015-03-29T04:26:05.047

3 Can I replace my draft inducer blower with a model of a slightly different speed? 2015-04-09T00:55:38.867

3 Can't get fan working on thermostat 2015-07-11T02:56:18.693

3 New Thermostat installed but compressor comes on immediately 2015-10-14T19:07:52.287

3 What is the optimal duty cycle for a furnace? 2015-10-23T00:14:41.167

3 Hvac Fan only blows in 'fan on' mode while heating 2015-10-30T20:12:13.487

3 Furnace: are flames in between the tubes bad? 2015-11-24T03:59:38.060

3 Can I replace the permanent filter in my furnace? 2016-01-11T19:24:27.297

3 Furnace fan starts slow and is getting slower 2016-02-04T20:57:15.363

3 Is this flue dangerous? 2016-02-19T18:57:15.893

3 How to address loud cold air return 2016-02-24T04:03:20.850

3 Was this furnace installed properly? 2016-03-03T10:16:00.397

3 What pipe is this? 2016-03-20T23:10:47.780

3 Why is my furnace leaking, and what is it leaking? 2016-06-03T02:29:41.967

3 Timer for house ventilation switch - high/low voltage wiring 2016-09-29T15:54:20.627

3 Furnace won't stay running (short cycling) 2016-11-29T12:49:49.267

3 What are my options for heating an energy efficient home with low heating needs? 2016-12-20T14:25:21.550

3 Can condensing furnace experience too much condensate and cause repeated short cycles? 2016-12-26T01:40:51.313

3 Should furnace fan run when return and supply are 'backwards'? 2017-01-05T02:11:14.773

3 Very odd gas furnace installation in apartment... How do I change the filter? 2017-01-16T15:56:43.093