HVAC Help

WWW.HVACTECHGROUP.COM

Started by Admin

Replies: 0
Views: 14,087

March 13, 2010, 05:09:44 PM
by Admin

Disclaimer!

Started by Admin

Replies: 0
Views: 15,990

June 11, 2009, 09:05:22 PM
by Admin

Air duct problem

Started by Roki1986

Replies: 0
Views: 81

August 01, 2026, 09:13:05 PM
by Roki1986

Loud unidntifiable Buzz

Started by Terryk

Replies: 4
Views: 214

July 26, 2026, 08:06:09 PM
by Terryk

mars comfort air ac 24 volts wiring

Started by robstar

Replies: 5
Views: 267

July 16, 2026, 06:43:29 PM
by robstar

Carrier Continuous Fan Issues

Started by da_truth

Replies: 3
Views: 239

July 05, 2026, 01:28:04 PM
by Byron

Static Pressure test

Started by Brian270

Replies: 14
Views: 687

June 06, 2026, 09:22:04 AM
by Brian270

Interlocking Trane and Venmar

Started by Brian270

Replies: 2
Views: 205

May 30, 2026, 06:54:42 AM
by Brian270

Trane S9X2

Started by Mkassar

Replies: 1
Views: 171

May 25, 2026, 04:30:13 PM
by Admin

Sefe2021

Started by Bezin11

Replies: 1
Views: 181

May 18, 2026, 09:04:33 AM
by Hgye

Opinions- Add On Heat Pump

Started by viking

Replies: 2
Views: 327

April 24, 2026, 05:00:00 PM
by viking

Carrier

Started by Ski5562

Replies: 3
Views: 745

April 21, 2026, 11:23:50 AM
by RAMechanical

Ecobee acc with older lifebreath HRV

Started by Calcafada

Replies: 8
Views: 2,921

April 11, 2026, 05:32:15 AM
by jeepinmc

American Standard Heat Pump Kicking breaker

Started by Gary5579

Replies: 0
Views: 583

February 01, 2026, 12:12:19 PM
by Gary5579

LENNOX INDUCER SOUNDS LIKE HELL

Started by JHNORTH

Replies: 1
Views: 907

January 25, 2026, 10:53:00 AM
by Admin

ICG Inter-City Manufacturing EL-20 Electric Furnace 1985 Looking For Parts

Started by comet424

Replies: 1
Views: 579

January 25, 2026, 10:51:07 AM
by Admin

Furnace Leaking

Started by Defects

Replies: 2
Views: 710

January 21, 2026, 05:13:21 PM
by Admin

Water Heater Help

Started by ichorniy

Replies: 1
Views: 576

January 21, 2026, 05:07:08 PM
by Admin

Transducer Trouble

Started by Coltsfan59

Replies: 1
Views: 674

January 19, 2026, 07:50:10 PM
by Admin

Ecobee Premium- HRV Wiring

Started by ADirtyGrandpa

Replies: 2
Views: 924

January 14, 2026, 10:53:02 PM
by Admin

What to do with un used flex line from cooktop ?

Started by wantboost

Replies: 6
Views: 2,044

January 10, 2026, 03:39:19 PM
by Admin

Pipe dope differences / preferred

Started by wantboost

Replies: 0
Views: 801

January 09, 2026, 10:17:17 AM
by wantboost

HVAC APPRENTICESHIP

Started by kishanvp411

Replies: 0
Views: 1,020

December 28, 2025, 09:31:42 PM
by kishanvp411

A/C discharge line and TXV freeze in winter

Started by Al

Replies: 0
Views: 846

December 27, 2025, 11:35:19 PM
by Al

New baseboards = 2.5x the natural gas usage?

Started by gregorye70

Replies: 0
Views: 814

December 27, 2025, 08:04:02 PM
by gregorye70

Controller part number identication

Started by Hotrodjohn71

Replies: 4
Views: 1,501

December 27, 2025, 12:27:43 PM
by Hotrodjohn71

Thermostat wiring

Started by BertH

Replies: 2
Views: 1,611

December 09, 2025, 03:22:03 PM
by Admin

Keep me out of court - if I hire an HVAC guy - the first I will need to take to

Started by flameOn

Replies: 1
Views: 1,235

December 08, 2025, 09:02:06 PM
by Admin

Lifebreath HRV Interlock and Controller Help

Started by rjain82

Replies: 7
Views: 2,711

December 06, 2025, 01:25:35 PM
by rjain82

Short cycling(?) HVAC furnace - 15 min cycles ?

Started by babbler

Replies: 0
Views: 1,284

December 03, 2025, 08:51:45 PM
by babbler

Ecobee Premium + HRV-150 WOL — How to interface 3-wire OBCS control with Ecobee?

Started by pilotcass

Replies: 0
Views: 1,425

November 25, 2025, 10:54:38 PM
by pilotcass

clare furnace draft inducer needs repair or replacement

Started by celica

Replies: 2
Views: 1,758

November 21, 2025, 11:53:18 AM
by celica

Ecobee 3 ERV wiring

Started by Ropscot

Replies: 4
Views: 1,906

November 19, 2025, 12:11:42 PM
by Ropscot

Venmar HRV not working

Started by 92smk

Replies: 4
Views: 3,016

November 09, 2025, 10:24:57 PM
by 92smk

furnace burners wont ignite when furnace room is cold

Started by BryanM

Replies: 3
Views: 1,856

November 03, 2025, 06:27:25 PM
by Admin

HRV Interlock With Furnace

Started by Lowtechdude

Replies: 10
Views: 3,527

October 27, 2025, 03:22:20 PM
by Lowtechdude

UV light install

Started by johnml

Replies: 1
Views: 1,567

October 14, 2025, 04:03:58 PM
by Admin

Thermostat 2 wires into G

Started by JAM7

Replies: 1
Views: 1,876

September 14, 2025, 10:30:16 AM
by Admin

Freezing cold air in winter - damper door issue?

Started by Jorgy

Replies: 0
Views: 1,716

September 10, 2025, 10:29:40 AM
by Jorgy

Stelpro seb2321b hrv interlock

Started by Dpearase

Replies: 1
Views: 2,543

August 28, 2025, 07:01:27 PM
by Dpearase

AC Not Turning Off when Thermostat Temp is Satisfied

Started by Shmc

Replies: 4
Views: 3,810

August 20, 2025, 09:48:17 PM
by Byron

Blower motor speed goes up and down

Started by Jonfr77

Replies: 1
Views: 1,904

August 05, 2025, 06:57:18 PM
by Porcupinepuffer

313A Exam in Ontario -> Is it recognized in Alberta or considered a Red Seal?

Started by henrycanada

Replies: 3
Views: 5,437

July 27, 2025, 05:42:07 AM
by rmuntz

Undersized Furnace? Greek Town, Toronto.

Started by zimme

Replies: 4
Views: 2,408

July 14, 2025, 01:56:45 PM
by Sergroum

Which of these AC options is best?

Started by ACQuestions

Replies: 3
Views: 2,176

July 02, 2025, 07:29:11 PM
by Sergroum

Low velocity vs high velocity coils

Started by Sergroum

Replies: 2
Views: 1,994

June 27, 2025, 12:36:41 PM
by Sergroum

Bump but no start

Started by Larry g

Replies: 1
Views: 1,737

June 24, 2025, 07:52:40 AM
by rmuntz

Compressor Needs Replacement Due to Leak In Hose?

Started by toicy4ya

Replies: 2
Views: 2,137

June 10, 2025, 05:21:30 PM
by Porcupinepuffer

Venmar EVO5 HELP

Started by WindyMan

Replies: 0
Views: 1,690

May 23, 2025, 06:48:43 AM
by WindyMan

Honeywell T10+ with Redlink 3.0

Started by Benny

Replies: 0
Views: 1,710

May 13, 2025, 07:06:44 PM
by Benny

furnace sizing

Started by Hp

Replies: 3
Views: 2,213

May 09, 2025, 08:33:03 PM
by TexMex099

Trane TayPlus v103A

Started by plagana57

Replies: 0
Views: 1,799

May 05, 2025, 03:53:30 PM
by plagana57

HVAC leak from floor above

Started by AvgJoe

Replies: 2
Views: 2,038

May 03, 2025, 01:13:27 PM
by Porcupinepuffer

Trane cooling issues

Started by Makita

Replies: 0
Views: 1,718

April 28, 2025, 04:54:05 PM
by Makita

Cold Air Flow When Furnace Not Running

Started by ujx51

Replies: 0
Views: 2,093

April 15, 2025, 11:41:17 AM
by ujx51

313 A license Study material

Started by kristi8640

Replies: 2
Views: 3,339

April 04, 2025, 10:04:55 AM
by Heatencoldair

Goodman Loud Whine…

Started by numerocinco2714

Replies: 1
Views: 1,954

March 30, 2025, 08:03:04 AM
by Admin

Venmar ERV Ecobee Premium wiring

Started by ghammer80

Replies: 5
Views: 2,679

March 26, 2025, 09:58:52 PM
by ghammer80

AC compressor randomly not turning on

Started by Suef

Replies: 0
Views: 1,859

March 26, 2025, 09:30:59 AM
by Suef

VanEE 38586R damper motor

Started by cj-mn

Replies: 0
Views: 2,033

March 26, 2025, 12:52:24 AM
by cj-mn

VanEE Power Off/On Damper Postion

Started by NH

Replies: 3
Views: 2,617

March 21, 2025, 06:24:10 PM
by Admin

HRV air exchanger replacement, worth it?

Started by hrv_broken

Replies: 1
Views: 2,737

March 13, 2025, 09:16:19 AM
by hrv_broken

LifeBreath 155Max no longer working

Started by KarlR

Replies: 0
Views: 1,890

March 01, 2025, 03:04:14 PM
by KarlR

Inducer fan humming, not turning on sometimes, capacitor location

Started by Derby

Replies: 0
Views: 1,900

February 21, 2025, 03:38:31 PM
by Derby

Furnace exhaust vent distance to neighbours intake or exhaust ???

Started by wantboost

Replies: 2
Views: 2,091

February 20, 2025, 08:04:37 PM
by wantboost

Please help me choose which one to go with.

Started by adonisallan

Replies: 2
Views: 2,243

February 12, 2025, 03:16:24 AM
by Sergroum

Ecobee Enhanced - Vanee H60 - 1 Wire setup

Started by Fil

Replies: 0
Views: 1,823

February 09, 2025, 02:18:02 PM
by Fil

Does a 2-stage thermostat still exist that shows it's current stage?

Started by Jimmyguitar

Replies: 4
Views: 2,273

February 09, 2025, 01:24:19 PM
by Jimmyguitar

Fantech ATMO ERV + Ecobee

Started by NomadEng

Replies: 4
Views: 3,001

February 08, 2025, 04:14:47 PM
by NomadEng

Ecobee Smart Thermostat With Voice Control - Vanee H60 - Continuously running

Started by Fil

Replies: 2
Views: 2,015

February 08, 2025, 07:33:39 AM
by Fil

G2 exam

Started by Eastonmorrison2001

Replies: 0
Views: 1,681

February 04, 2025, 08:05:47 PM
by Eastonmorrison2001

SummerAir ECPBT 20 min Timer switch

Started by scaupman

Replies: 0
Views: 1,887

February 02, 2025, 10:33:07 AM
by scaupman

mini split wire

Started by double008

Replies: 3
Views: 2,705

January 24, 2025, 01:39:46 PM
by Byron

Furnace's fan is not working in "ON" position

Started by Vensi

Replies: 2
Views: 2,155

January 23, 2025, 09:28:56 PM
by Vensi

Mercury flame sensor replacement

Started by Peterpain6

Replies: 1
Views: 1,747

January 22, 2025, 08:57:20 PM
by Hgye

Updating 1995 furnace .....

Started by RenoG

Replies: 0
Views: 1,697

January 21, 2025, 05:09:53 PM
by RenoG

Humidifier works but RH still low

Started by SRSmith

Replies: 2
Views: 2,280

January 20, 2025, 10:50:50 PM
by SRSmith

Heater help, 120+volts when unplugged

Started by Danefoggy

Replies: 5
Views: 2,425

January 04, 2025, 09:17:54 PM
by Danefoggy

Cold Air Return - near ceiling

Started by HDVH2024

Replies: 2
Views: 2,363

December 23, 2024, 10:05:51 AM
by HDVH2024

Strobing lights on Lennox HRV

Started by TonyG

Replies: 0
Views: 2,001

December 21, 2024, 09:01:27 AM
by TonyG

Heat exchanger VanEE 90H

Started by Nnelg

Replies: 0
Views: 1,773

December 14, 2024, 05:19:15 PM
by Nnelg

Two stage furnace problem and question

Started by rx64397

Replies: 3
Views: 2,194

December 11, 2024, 09:11:19 PM
by JohnB1981

Heat pump and furnace issue after heat pump installation

Started by crwong77

Replies: 0
Views: 1,879

December 04, 2024, 10:10:34 PM
by crwong77

Connecting Venmar HRV to Lennox Communicating Furnace & Heat Pump

Started by jcanzo86

Replies: 2
Views: 3,818

November 29, 2024, 10:01:50 AM
by g-unit

Hook ERV to New Honeywell T10 Thermostat

Started by nailbird

Replies: 6
Views: 9,781

November 13, 2024, 12:20:23 PM
by laroucja

Old HRV interlock to new heat pump

Started by drk2004

Replies: 4
Views: 2,943

November 11, 2024, 10:00:24 AM
by drk2004

Manitowoc Ice Machine not making ice

Started by idoseadoo

Replies: 1
Views: 3,153

November 08, 2024, 08:19:59 PM
by InfinitudeMECH

Please help me understand

Started by Ridiculous

Replies: 25
Views: 8,251

November 06, 2024, 11:03:42 PM
by InfinitudeMECH

Condensation on Concealed Ducted Units – Possible Causes?

Started by HVAC_Newbieee

Replies: 0
Views: 1,873

November 01, 2024, 03:20:38 AM
by HVAC_Newbieee

Lifebreath 155Max Questions

Started by rathpr

Replies: 0
Views: 2,006

October 26, 2024, 03:01:57 PM
by rathpr

air exchanger

Started by art

Replies: 3
Views: 3,698

October 21, 2024, 06:32:54 AM
by Admin

PTAC Wind Noise

Started by spedprof

Replies: 1
Views: 2,241

October 17, 2024, 06:32:20 AM
by Porcupinepuffer

Help with tstat wiring at control panel

Started by spd7171

Replies: 0
Views: 2,020

October 14, 2024, 10:06:35 AM
by spd7171

Lifebreath RNC6-ES right motor's not starting.

Started by monzzzzz

Replies: 2
Views: 2,229

October 13, 2024, 12:10:16 PM
by monzzzzz

Inducer cycling non stop

Started by Tylergm

Replies: 2
Views: 2,205

September 29, 2024, 01:44:02 PM
by Porcupinepuffer

Can a furnace blower be wired to turn on a HRV, without using NO/NC terminals?

Started by needair

Replies: 10
Views: 18,007

September 18, 2024, 05:45:14 PM
by Admin

Ecobee premiun + HRV

Started by GECR21989

Replies: 1
Views: 2,171

September 17, 2024, 06:21:14 PM
by Admin

Soft Start Install Question

Started by rfc2005

Replies: 1
Views: 2,618

September 10, 2024, 03:21:48 PM
by Porcupinepuffer

Duct Design

Started by Killadoe

Replies: 2
Views: 2,367

September 01, 2024, 08:14:24 AM
by Killadoe

Patched boiler?

Started by lambmike

Replies: 0
Views: 1,823

August 31, 2024, 03:57:38 PM
by lambmike

Condenser Replacement Options

Started by bluebird

Replies: 1
Views: 2,087

August 16, 2024, 03:53:02 PM
by Porcupinepuffer

Question about Lifebreath HRV, interlock and balancing

Started by AndyM

Replies: 5
Views: 3,347

August 13, 2024, 05:09:33 AM
by Admin

Variable Fan running full speed

Started by CrashAlpha

Replies: 21
Views: 14,324

August 06, 2024, 12:35:52 PM
by CrashAlpha

New to HVAC need some guidance

Started by ckavert446

Replies: 6
Views: 3,491

August 01, 2024, 05:09:23 AM
by tenletters

Help needed !

Started by Phil

Replies: 7
Views: 2,923

July 31, 2024, 05:07:17 PM
by Phil

Question regarding my Venmar

Started by Bannerman

Replies: 1
Views: 2,195

July 29, 2024, 10:40:09 PM
by NoDIY

Ecobee thermostat problem

Started by paklinkselectric

Replies: 3
Views: 2,816

July 28, 2024, 02:13:06 AM
by paklinkselectric

New House, HVAC Nightmare

Started by nailbird

Replies: 0
Views: 2,027

July 21, 2024, 03:36:54 PM
by nailbird

Messed up install

Started by Tastygrass

Replies: 7
Views: 3,673

July 11, 2024, 06:05:02 PM
by Porcupinepuffer

Help With Troublesome System

Started by Greatwhitewing

Replies: 0
Views: 1,866

July 07, 2024, 07:51:04 AM
by Greatwhitewing

New to HVAC - need practical experience while working towards certifications

Started by Imran

Replies: 0
Views: 2,018

July 04, 2024, 09:08:03 AM
by Imran

What should the motor windings be on a Carrier ECM 1HP Motor model number number

Started by Cajunboy1959

Replies: 1
Views: 2,275

June 29, 2024, 10:34:13 AM
by Porcupinepuffer

AC help

Started by harley7316

Replies: 2
Views: 2,443

June 22, 2024, 10:22:08 PM
by Hgye

B149.1 OFC ITSM 17-009 Clarification of Appliance Vent Termination

Started by rkhan

Replies: 6
Views: 5,004

June 14, 2024, 06:08:16 AM
by Admin

Stacked Heat Pump condensate drain lines

Started by HVAC Engineer5

Replies: 0
Views: 1,923

June 12, 2024, 06:34:15 PM
by HVAC Engineer5

Normal Defrost vs. R2000 Defrost in Lifebreath HRVs

Started by anatolewilson

Replies: 0
Views: 2,006

June 04, 2024, 11:39:02 PM
by anatolewilson

Fujitsu split mini ac unit

Started by Ronskibby67

Replies: 5
Views: 2,904

May 31, 2024, 06:35:26 PM
by scarey8

Hi Velocity AC freezing problem

Started by bparizadehhvac

Replies: 2
Views: 2,809

May 20, 2024, 01:58:20 PM
by bparizadehhvac

Software for invoicing and book keeping

Started by mir

Replies: 3
Views: 6,994

May 18, 2024, 09:26:41 AM
by Hgye

Hayward H250FDN Indoor Venting Install

Started by Carbon8

Replies: 2
Views: 4,057

May 17, 2024, 08:46:01 AM
by Carbon8

Can using window units vs central air cause roof damage

Started by IIKnowNothingJonSnow

Replies: 0
Views: 1,877

May 13, 2024, 12:09:44 PM
by IIKnowNothingJonSnow

Replace 2009 Carrier Infinity System

Started by stephanhart

Replies: 3
Views: 3,086

May 09, 2024, 09:08:22 PM
by Byron

Ox Box by Trane Furnace

Started by jcalabrese

Replies: 1
Views: 2,239

May 09, 2024, 07:50:32 PM
by Admin

Day/Night Package unit 587ANZ048100AAAG

Started by joemech83

Replies: 0
Views: 2,112

April 26, 2024, 03:03:30 PM
by joemech83

Lifebreath 0% RH

Started by goldkicks000

Replies: 1
Views: 2,635

April 19, 2024, 01:40:40 PM
by Admin

Don park B vent sidewall termination

Started by Hvacpimp

Replies: 2
Views: 2,438

April 17, 2024, 12:24:14 PM
by Hvacpimp

Gas meter pressure tap

Started by 5cent

Replies: 13
Views: 5,098

April 15, 2024, 01:29:47 PM
by 5cent

Help

Started by DbSan

Replies: 2
Views: 2,181

April 14, 2024, 04:26:17 PM
by Admin

Smell coming from vents

Started by Salvaan

Replies: 3
Views: 2,332

April 12, 2024, 09:16:13 PM
by Salvaan

Lifebreath DCS300 No Power

Started by smokeythebandit

Replies: 3
Views: 2,442

April 08, 2024, 11:48:11 AM
by smokeythebandit

Lifebreath 195DCS Digital Control Unit

Started by PhilA

Replies: 5
Views: 2,785

April 05, 2024, 06:26:39 PM
by Admin

HVAC digital controller sign

Started by Alika

Replies: 2
Views: 2,348

April 03, 2024, 01:52:52 PM
by Admin

Rheem central AC keeps freezing up

Started by Lopez219

Replies: 1
Views: 2,321

March 28, 2024, 01:36:00 PM
by Sergroum

MUNCHKIN MC99 BOILER

Started by MER57

Replies: 0
Views: 1,944

March 26, 2024, 08:32:10 PM
by MER57

HVAC Carrier Heater intermittent problem

Started by Johnnybg00d

Replies: 6
Views: 2,850

March 25, 2024, 06:53:56 AM
by rmuntz

BOSCH Tankless T9800SE 160K BTU shows C1 & C2 error

Started by tester22

Replies: 3
Views: 2,633

March 12, 2024, 09:44:15 AM
by Sergroum

Help to disassemble

Started by welderwonder

Replies: 0
Views: 2,149

March 10, 2024, 05:47:05 PM
by welderwonder

HRV defrost motor

Started by Smck_6

Replies: 1
Views: 2,331

March 03, 2024, 04:03:03 PM
by Admin

Manual D TEL conundrum

Started by Blowhard

Replies: 0
Views: 2,207

March 01, 2024, 05:38:11 PM
by Blowhard

Need Source for Double Pole Single Throw Fan Relay 24 Volt 5 Amp

Started by vacman

Replies: 3
Views: 3,145

February 21, 2024, 08:15:50 AM
by vacman

Where can I put a humidifier on my furnace?

Started by Tailee

Replies: 4
Views: 2,962

February 18, 2024, 11:19:29 AM
by scarey8

Primary loop

Started by Elegance

Replies: 1
Views: 2,362

February 17, 2024, 08:49:12 AM
by scarey8

Interlocking furnace with HRV need explanations

Started by Alexhvac66

Replies: 9
Views: 25,193

February 14, 2024, 07:21:49 AM
by Sergroum

Cost for installing tankless water heater

Started by playatwork007

Replies: 4
Views: 2,499

February 13, 2024, 04:06:46 PM
by Porcupinepuffer

Lifebreath 155 Max High speed issue

Started by marcgap

Replies: 1
Views: 2,220

February 12, 2024, 08:15:24 PM
by Admin

NTI ignition issue.

Started by scarey8

Replies: 2
Views: 3,247

February 10, 2024, 04:06:43 PM
by scarey8

Lennox CBX32MV-060 Fan Running At Full Speed During Heating Cycles

Started by super dave T

Replies: 6
Views: 3,983

February 04, 2024, 05:42:14 PM
by Admin

Blower Motor not coming on. Only 3 volts to speed wire. Relay faulty?

Started by vacman

Replies: 1
Views: 2,789

February 04, 2024, 10:07:53 AM
by vacman

2 Stage Furnace Intermittent Problem Solved

Started by Mark3577

Replies: 0
Views: 2,131

February 02, 2024, 07:28:08 PM
by Mark3577

Intermittent shut down before ignition. Aire-Flo #AF80MPA075BSB

Started by Mac63

Replies: 3
Views: 3,002

February 02, 2024, 06:51:44 PM
by Mark3577

VanEE exchanger duct install

Started by Tailee

Replies: 3
Views: 4,262

February 02, 2024, 07:32:37 AM
by Admin

Think I fried my control board?

Started by Catch22

Replies: 2
Views: 2,917

January 30, 2024, 07:41:00 PM
by Catch22

Unusual Cost Estimate for furnace part - feedback appreciated

Started by Mark3577

Replies: 3
Views: 3,904

January 30, 2024, 01:22:45 PM
by Mark3577

Premature Burner Shut-Off - Rheem Gas Furnace RGTA-07EMAES

Started by All2kool

Replies: 1
Views: 2,382

January 27, 2024, 08:28:20 AM
by Admin

Fast Stats. Hot! Hot! Hot!

Started by Sergroum

Replies: 0
Views: 2,107

January 24, 2024, 05:00:58 PM
by Sergroum

VanEE 90 H motor not spinning

Started by Tailee

Replies: 0
Views: 2,134

January 24, 2024, 11:46:43 AM
by Tailee

Humidity level will not increase

Started by Agh089

Replies: 8
Views: 3,539

January 24, 2024, 06:57:14 AM
by Admin

Undersized Furnace?

Started by Gears

Replies: 7
Views: 4,174

January 23, 2024, 08:50:53 AM
by Gears

HRV1-150 Circuit Board

Started by gill_mn

Replies: 1
Views: 2,147

January 20, 2024, 06:04:14 PM
by Admin

VFD VOLTAGE AND MOTOR VOLTAGE

Started by miko

Replies: 0
Views: 2,203

January 19, 2024, 03:06:37 AM
by miko

Wiring a inverter generator back up pigtail to a Trane XE 90 furnace

Started by Falcon195

Replies: 0
Views: 2,389

January 18, 2024, 11:29:15 PM
by Falcon195

furnace fan runs whenever it wants to

Started by Rob

Replies: 3
Views: 2,395

January 17, 2024, 04:01:13 PM
by Admin

Carrier part number help

Started by Brahaum

Replies: 2
Views: 2,246

January 16, 2024, 09:36:38 PM
by Brahaum

Help! Flame detector

Started by Mickyfinn

Replies: 1
Views: 2,293

January 13, 2024, 09:34:00 AM
by Mickyfinn

HVAC intermittent smell from ceiling vents - How to fix??

Started by David42

Replies: 0
Views: 2,239

January 07, 2024, 09:45:14 AM
by David42

Why is like this Inside Attic having lot of Moisturization Water on Top of Insul

Started by tester22

Replies: 1
Views: 2,130

January 03, 2024, 08:03:26 PM
by Porcupinepuffer

Unit Heater (NG Garage Heater) Placement Issue

Started by abeyersdorff

Replies: 3
Views: 4,387

January 03, 2024, 09:58:45 AM
by abeyersdorff

Furnace code 837

Started by Naive customer

Replies: 2
Views: 2,152

December 27, 2023, 04:18:33 PM
by samihabib

Rheem gas furnace false starts

Started by Buzz

Replies: 1
Views: 2,480

December 21, 2023, 05:29:28 AM
by Porcupinepuffer

Heat pump not heating

Started by Hvacneedy

Replies: 4
Views: 2,532

December 19, 2023, 06:47:47 PM
by Hvacneedy

Ducted Airconditioning and pipe work sizing

Started by H1988

Replies: 0
Views: 2,197

December 19, 2023, 10:50:02 AM
by H1988

To reduce my Water Bill, can I adjust Shut Off Valve under Kitchen & Sink faucet

Started by tester22

Replies: 1
Views: 2,199

December 16, 2023, 09:07:29 AM
by Porcupinepuffer

Troubleshooting

Started by hvactech23

Replies: 4
Views: 2,474

December 14, 2023, 11:57:14 AM
by rmuntz

Is it ok to replace this ZURN WILKINS ZW1017XL into new little different ZURN WI

Started by tester22

Replies: 7
Views: 3,217

December 12, 2023, 08:27:30 AM
by tester22

Blower Motor Stalls Every Cycle

Started by ACME_Mike

Replies: 8
Views: 3,709

December 10, 2023, 05:41:46 PM
by ACME_Mike

mercury flame sensor replacement

Started by alfred67

Replies: 25
Views: 28,128

December 10, 2023, 12:09:00 PM
by jherman

Indoor unit not blowing hot air

Started by filix2455

Replies: 0
Views: 2,225

December 09, 2023, 08:04:58 AM
by filix2455

Lennox error E124 for zone t-stat

Started by Montecore

Replies: 0
Views: 3,077

December 05, 2023, 11:39:07 AM
by Montecore

Metal Hood Clearance Over Gas Range

Started by lisadepaolo@gmail.com

Replies: 5
Views: 6,753

December 03, 2023, 03:46:51 PM
by Admin

RUUD Achiever Question

Started by JMeik

Replies: 1
Views: 2,161

December 03, 2023, 10:05:44 AM
by Hgye

Inverter Duty Hyper Heat

Started by viking

Replies: 0
Views: 2,198

December 02, 2023, 09:38:06 PM
by viking

Furnace board relay clicking ON OFF ON (believe relay for main large blower fan)

Started by mhvac

Replies: 1
Views: 2,298

November 30, 2023, 10:56:03 AM
by Porcupinepuffer

Trane Furnace Shuts off / Loud Clicking on Restart - Control Board?

Started by steelworx

Replies: 1
Views: 3,255

November 29, 2023, 12:53:16 PM
by Porcupinepuffer

What does it mean if a trane clean effects lights aren't coming on?

Started by Kosmo23

Replies: 3
Views: 3,140

November 28, 2023, 08:29:27 PM
by Admin

Furnace fan problems!!!!

Started by matskot

Replies: 1
Views: 2,197

November 24, 2023, 01:42:59 PM
by samihabib

Oil burner problem

Started by Mikemrq

Replies: 2
Views: 3,488

November 23, 2023, 08:20:48 AM
by rmuntz

Trane Burners Fail To Stay Lit

Started by krawfo

Replies: 3
Views: 2,590

November 21, 2023, 06:48:52 PM
by Porcupinepuffer

Furnace randomly shuts off

Started by Agyuker

Replies: 2
Views: 2,338

November 13, 2023, 06:11:20 PM
by Admin

Designation/certificate to do commercial hvac drawings???

Started by wantboost

Replies: 2
Views: 2,662

November 09, 2023, 08:13:32 AM
by wantboost

Anyone do Hvac drawing for new builds ??

Started by wantboost

Replies: 13
Views: 6,266

November 08, 2023, 08:40:36 PM
by wantboost

Adding returns in rooms

Started by hello73

Replies: 3
Views: 2,707

November 06, 2023, 08:30:42 PM
by Hgye

Is this possible?? HVAC professionals opinion needed

Started by martin1234

Replies: 0
Views: 2,189

November 04, 2023, 04:07:41 PM
by martin1234

Help with an Open High Limit on Goodman furnace

Started by ferox1

Replies: 3
Views: 3,730

November 03, 2023, 06:04:30 PM
by Admin

Trane XV90 second stage doesn't always work

Started by Mark3577

Replies: 2
Views: 2,783

November 02, 2023, 10:30:14 AM
by Mark3577

Ignitor not working - Control board? Lennox G61mpv

Started by Bigrockk

Replies: 7
Views: 4,723

October 30, 2023, 04:37:25 PM
by Bigrockk

Flame Rectifier Older Pilot Furnace

Started by Bob G

Replies: 4
Views: 2,644

October 27, 2023, 06:36:02 PM
by Admin

Brand new Ruud u962v07

Started by Jpiazza

Replies: 2
Views: 2,649

October 21, 2023, 09:57:51 AM
by Hgye

Digital panel (dxpl02) not relaying instructions/signal to Lifebreath dcs 300

Started by Nick L

Replies: 12
Views: 5,198

October 19, 2023, 08:44:45 PM
by Admin

HVAC Apartment Insulation Replacement Needed?

Started by wella

Replies: 4
Views: 2,784

October 17, 2023, 12:11:09 PM
by wella

Is it the ECM motor or the control board of the furnace that might be failing?

Started by user2023

Replies: 2
Views: 3,753

October 07, 2023, 11:55:48 PM
by user2023