HVAC Help

WWW.HVACTECHGROUP.COM

Started by Admin

Replies: 0
Views: 14,121

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

Disclaimer!

Started by Admin

Replies: 0
Views: 16,038

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

Looking for Old Alco TXV Catalog

Started by Epoxybob

Replies: 0
Views: 46

September 08, 2026, 06:13:29 PM
by Epoxybob

Moving furnace filter to return air grille

Started by Adam/

Replies: 0
Views: 160

August 28, 2026, 10:51:25 AM
by Adam/

CARRIER INFINITY HVAC SYSTEM/CONTINOUS

Started by dljmcgee

Replies: 1
Views: 95

August 27, 2026, 08:40:31 PM
by Hgye

Air duct problem

Started by Roki1986

Replies: 0
Views: 158

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

Loud unidntifiable Buzz

Started by Terryk

Replies: 4
Views: 306

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

mars comfort air ac 24 volts wiring

Started by robstar

Replies: 5
Views: 332

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

Carrier Continuous Fan Issues

Started by da_truth

Replies: 3
Views: 337

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

Static Pressure test

Started by Brian270

Replies: 14
Views: 998

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

Interlocking Trane and Venmar

Started by Brian270

Replies: 2
Views: 270

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

Trane S9X2

Started by Mkassar

Replies: 1
Views: 227

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

Sefe2021

Started by Bezin11

Replies: 1
Views: 225

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

Opinions- Add On Heat Pump

Started by viking

Replies: 2
Views: 390

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

Carrier

Started by Ski5562

Replies: 3
Views: 1,337

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

Ecobee acc with older lifebreath HRV

Started by Calcafada

Replies: 8
Views: 3,216

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

American Standard Heat Pump Kicking breaker

Started by Gary5579

Replies: 0
Views: 627

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

LENNOX INDUCER SOUNDS LIKE HELL

Started by JHNORTH

Replies: 1
Views: 953

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: 619

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

Furnace Leaking

Started by Defects

Replies: 2
Views: 750

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

Water Heater Help

Started by ichorniy

Replies: 1
Views: 613

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

Transducer Trouble

Started by Coltsfan59

Replies: 1
Views: 706

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

Ecobee Premium- HRV Wiring

Started by ADirtyGrandpa

Replies: 2
Views: 1,020

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: 2,517

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

Pipe dope differences / preferred

Started by wantboost

Replies: 0
Views: 827

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

HVAC APPRENTICESHIP

Started by kishanvp411

Replies: 0
Views: 1,050

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

A/C discharge line and TXV freeze in winter

Started by Al

Replies: 0
Views: 871

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

New baseboards = 2.5x the natural gas usage?

Started by gregorye70

Replies: 0
Views: 842

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

Controller part number identication

Started by Hotrodjohn71

Replies: 4
Views: 1,597

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

Thermostat wiring

Started by BertH

Replies: 2
Views: 1,897

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: 1,260

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

Lifebreath HRV Interlock and Controller Help

Started by rjain82

Replies: 7
Views: 2,988

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

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

Started by babbler

Replies: 0
Views: 1,318

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: 1,456

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

clare furnace draft inducer needs repair or replacement

Started by celica

Replies: 2
Views: 1,785

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

Ecobee 3 ERV wiring

Started by Ropscot

Replies: 4
Views: 1,958

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

Venmar HRV not working

Started by 92smk

Replies: 4
Views: 3,083

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

furnace burners wont ignite when furnace room is cold

Started by BryanM

Replies: 3
Views: 1,911

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

HRV Interlock With Furnace

Started by Lowtechdude

Replies: 10
Views: 3,759

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

UV light install

Started by johnml

Replies: 1
Views: 1,648

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

Thermostat 2 wires into G

Started by JAM7

Replies: 1
Views: 1,897

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

Freezing cold air in winter - damper door issue?

Started by Jorgy

Replies: 0
Views: 1,750

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

Stelpro seb2321b hrv interlock

Started by Dpearase

Replies: 1
Views: 2,577

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

AC Not Turning Off when Thermostat Temp is Satisfied

Started by Shmc

Replies: 4
Views: 3,861

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

Blower motor speed goes up and down

Started by Jonfr77

Replies: 1
Views: 1,940

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: 5,503

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

Undersized Furnace? Greek Town, Toronto.

Started by zimme

Replies: 4
Views: 2,451

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

Which of these AC options is best?

Started by ACQuestions

Replies: 3
Views: 2,226

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

Low velocity vs high velocity coils

Started by Sergroum

Replies: 2
Views: 2,026

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

Bump but no start

Started by Larry g

Replies: 1
Views: 1,760

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

Compressor Needs Replacement Due to Leak In Hose?

Started by toicy4ya

Replies: 2
Views: 2,180

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

Venmar EVO5 HELP

Started by WindyMan

Replies: 0
Views: 1,718

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

Honeywell T10+ with Redlink 3.0

Started by Benny

Replies: 0
Views: 1,747

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

furnace sizing

Started by Hp

Replies: 3
Views: 2,267

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

Trane TayPlus v103A

Started by plagana57

Replies: 0
Views: 1,830

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

HVAC leak from floor above

Started by AvgJoe

Replies: 2
Views: 2,086

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

Trane cooling issues

Started by Makita

Replies: 0
Views: 1,745

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

Cold Air Flow When Furnace Not Running

Started by ujx51

Replies: 0
Views: 2,125

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

313 A license Study material

Started by kristi8640

Replies: 2
Views: 3,393

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

Goodman Loud Whine…

Started by numerocinco2714

Replies: 1
Views: 1,983

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

Venmar ERV Ecobee Premium wiring

Started by ghammer80

Replies: 5
Views: 2,893

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

AC compressor randomly not turning on

Started by Suef

Replies: 0
Views: 1,889

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

VanEE 38586R damper motor

Started by cj-mn

Replies: 0
Views: 2,064

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

VanEE Power Off/On Damper Postion

Started by NH

Replies: 3
Views: 2,721

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

HRV air exchanger replacement, worth it?

Started by hrv_broken

Replies: 1
Views: 2,778

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

LifeBreath 155Max no longer working

Started by KarlR

Replies: 0
Views: 1,917

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

Inducer fan humming, not turning on sometimes, capacitor location

Started by Derby

Replies: 0
Views: 1,925

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

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

Started by wantboost

Replies: 2
Views: 2,216

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

Please help me choose which one to go with.

Started by adonisallan

Replies: 2
Views: 2,287

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

Ecobee Enhanced - Vanee H60 - 1 Wire setup

Started by Fil

Replies: 0
Views: 1,850

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: 2,323

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

Fantech ATMO ERV + Ecobee

Started by NomadEng

Replies: 4
Views: 3,122

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: 2,096

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

G2 exam

Started by Eastonmorrison2001

Replies: 0
Views: 1,701

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

SummerAir ECPBT 20 min Timer switch

Started by scaupman

Replies: 0
Views: 1,906

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

mini split wire

Started by double008

Replies: 3
Views: 2,752

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

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

Started by Vensi

Replies: 2
Views: 2,199

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

Mercury flame sensor replacement

Started by Peterpain6

Replies: 1
Views: 1,763

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

Updating 1995 furnace .....

Started by RenoG

Replies: 0
Views: 1,716

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

Humidifier works but RH still low

Started by SRSmith

Replies: 2
Views: 2,306

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

Heater help, 120+volts when unplugged

Started by Danefoggy

Replies: 5
Views: 2,485

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

Cold Air Return - near ceiling

Started by HDVH2024

Replies: 2
Views: 2,487

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

Strobing lights on Lennox HRV

Started by TonyG

Replies: 0
Views: 2,027

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

Heat exchanger VanEE 90H

Started by Nnelg

Replies: 0
Views: 1,804

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

Two stage furnace problem and question

Started by rx64397

Replies: 3
Views: 2,244

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

Heat pump and furnace issue after heat pump installation

Started by crwong77

Replies: 0
Views: 1,910

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

Connecting Venmar HRV to Lennox Communicating Furnace & Heat Pump

Started by jcanzo86

Replies: 2
Views: 4,022

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

Hook ERV to New Honeywell T10 Thermostat

Started by nailbird

Replies: 6
Views: 10,038

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

Old HRV interlock to new heat pump

Started by drk2004

Replies: 4
Views: 3,121

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

Manitowoc Ice Machine not making ice

Started by idoseadoo

Replies: 1
Views: 3,342

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

Please help me understand

Started by Ridiculous

Replies: 25
Views: 8,776

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

Condensation on Concealed Ducted Units – Possible Causes?

Started by HVAC_Newbieee

Replies: 0
Views: 1,902

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

Lifebreath 155Max Questions

Started by rathpr

Replies: 0
Views: 2,033

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

air exchanger

Started by art

Replies: 3
Views: 3,790

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

PTAC Wind Noise

Started by spedprof

Replies: 1
Views: 2,278

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

Help with tstat wiring at control panel

Started by spd7171

Replies: 0
Views: 2,058

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

Lifebreath RNC6-ES right motor's not starting.

Started by monzzzzz

Replies: 2
Views: 2,273

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

Inducer cycling non stop

Started by Tylergm

Replies: 2
Views: 2,241

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: 18,248

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

Ecobee premiun + HRV

Started by GECR21989

Replies: 1
Views: 2,246

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

Soft Start Install Question

Started by rfc2005

Replies: 1
Views: 2,646

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

Duct Design

Started by Killadoe

Replies: 2
Views: 2,400

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

Patched boiler?

Started by lambmike

Replies: 0
Views: 1,850

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

Condenser Replacement Options

Started by bluebird

Replies: 1
Views: 2,130

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

Question about Lifebreath HRV, interlock and balancing

Started by AndyM

Replies: 5
Views: 3,424

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

Variable Fan running full speed

Started by CrashAlpha

Replies: 21
Views: 14,861

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

New to HVAC need some guidance

Started by ckavert446

Replies: 6
Views: 3,540

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

Help needed !

Started by Phil

Replies: 7
Views: 2,974

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

Question regarding my Venmar

Started by Bannerman

Replies: 1
Views: 2,228

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

Ecobee thermostat problem

Started by paklinkselectric

Replies: 3
Views: 2,859

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

Messed up install

Started by Tastygrass

Replies: 7
Views: 3,739

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

Help With Troublesome System

Started by Greatwhitewing

Replies: 0
Views: 1,888

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: 2,052

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: 2,335

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

AC help

Started by harley7316

Replies: 2
Views: 2,483

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: 5,406

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

Stacked Heat Pump condensate drain lines

Started by HVAC Engineer5

Replies: 0
Views: 1,956

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

Normal Defrost vs. R2000 Defrost in Lifebreath HRVs

Started by anatolewilson

Replies: 0
Views: 2,044

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

Fujitsu split mini ac unit

Started by Ronskibby67

Replies: 5
Views: 3,052

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

Hi Velocity AC freezing problem

Started by bparizadehhvac

Replies: 2
Views: 2,890

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

Software for invoicing and book keeping

Started by mir

Replies: 3
Views: 7,035

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

Hayward H250FDN Indoor Venting Install

Started by Carbon8

Replies: 2
Views: 4,173

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: 1,899

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

Replace 2009 Carrier Infinity System

Started by stephanhart

Replies: 3
Views: 3,147

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

Ox Box by Trane Furnace

Started by jcalabrese

Replies: 1
Views: 2,296

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

Day/Night Package unit 587ANZ048100AAAG

Started by joemech83

Replies: 0
Views: 2,136

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

Lifebreath 0% RH

Started by goldkicks000

Replies: 1
Views: 2,676

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

Don park B vent sidewall termination

Started by Hvacpimp

Replies: 2
Views: 2,476

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

Gas meter pressure tap

Started by 5cent

Replies: 13
Views: 5,233

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

Help

Started by DbSan

Replies: 2
Views: 2,233

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

Smell coming from vents

Started by Salvaan

Replies: 3
Views: 2,387

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

Lifebreath DCS300 No Power

Started by smokeythebandit

Replies: 3
Views: 2,483

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

Lifebreath 195DCS Digital Control Unit

Started by PhilA

Replies: 5
Views: 2,841

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

HVAC digital controller sign

Started by Alika

Replies: 2
Views: 2,376

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

Rheem central AC keeps freezing up

Started by Lopez219

Replies: 1
Views: 2,353

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

MUNCHKIN MC99 BOILER

Started by MER57

Replies: 0
Views: 1,984

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

HVAC Carrier Heater intermittent problem

Started by Johnnybg00d

Replies: 6
Views: 2,921

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

BOSCH Tankless T9800SE 160K BTU shows C1 & C2 error

Started by tester22

Replies: 3
Views: 2,681

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

Help to disassemble

Started by welderwonder

Replies: 0
Views: 2,183

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

HRV defrost motor

Started by Smck_6

Replies: 1
Views: 2,373

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

Manual D TEL conundrum

Started by Blowhard

Replies: 0
Views: 2,244

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: 3,260

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

Where can I put a humidifier on my furnace?

Started by Tailee

Replies: 4
Views: 3,025

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

Primary loop

Started by Elegance

Replies: 1
Views: 2,396

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

Interlocking furnace with HRV need explanations

Started by Alexhvac66

Replies: 9
Views: 25,412

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

Cost for installing tankless water heater

Started by playatwork007

Replies: 4
Views: 2,544

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

Lifebreath 155 Max High speed issue

Started by marcgap

Replies: 1
Views: 2,260

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

NTI ignition issue.

Started by scarey8

Replies: 2
Views: 3,360

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: 4,206

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: 3,199

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

2 Stage Furnace Intermittent Problem Solved

Started by Mark3577

Replies: 0
Views: 2,164

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

Intermittent shut down before ignition. Aire-Flo #AF80MPA075BSB

Started by Mac63

Replies: 3
Views: 3,107

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

VanEE exchanger duct install

Started by Tailee

Replies: 3
Views: 4,519

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

Think I fried my control board?

Started by Catch22

Replies: 2
Views: 2,960

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

Unusual Cost Estimate for furnace part - feedback appreciated

Started by Mark3577

Replies: 3
Views: 3,976

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

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

Started by All2kool

Replies: 1
Views: 2,431

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

Fast Stats. Hot! Hot! Hot!

Started by Sergroum

Replies: 0
Views: 2,146

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

VanEE 90 H motor not spinning

Started by Tailee

Replies: 0
Views: 2,170

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

Humidity level will not increase

Started by Agh089

Replies: 8
Views: 3,621

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

Undersized Furnace?

Started by Gears

Replies: 7
Views: 4,253

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

HRV1-150 Circuit Board

Started by gill_mn

Replies: 1
Views: 2,356

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

VFD VOLTAGE AND MOTOR VOLTAGE

Started by miko

Replies: 0
Views: 2,229

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: 2,425

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

furnace fan runs whenever it wants to

Started by Rob

Replies: 3
Views: 2,452

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

Carrier part number help

Started by Brahaum

Replies: 2
Views: 2,291

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

Help! Flame detector

Started by Mickyfinn

Replies: 1
Views: 2,332

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

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

Started by David42

Replies: 0
Views: 2,283

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: 2,160

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

Unit Heater (NG Garage Heater) Placement Issue

Started by abeyersdorff

Replies: 3
Views: 4,692

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

Furnace code 837

Started by Naive customer

Replies: 2
Views: 2,192

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

Rheem gas furnace false starts

Started by Buzz

Replies: 1
Views: 2,512

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

Heat pump not heating

Started by Hvacneedy

Replies: 4
Views: 2,579

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

Ducted Airconditioning and pipe work sizing

Started by H1988

Replies: 0
Views: 2,226

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: 2,229

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

Troubleshooting

Started by hvactech23

Replies: 4
Views: 2,560

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: 3,287

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

Blower Motor Stalls Every Cycle

Started by ACME_Mike

Replies: 8
Views: 3,811

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

mercury flame sensor replacement

Started by alfred67

Replies: 25
Views: 28,349

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

Indoor unit not blowing hot air

Started by filix2455

Replies: 0
Views: 2,262

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

Lennox error E124 for zone t-stat

Started by Montecore

Replies: 0
Views: 3,136

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

Metal Hood Clearance Over Gas Range

Started by lisadepaolo@gmail.com

Replies: 5
Views: 6,997

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

RUUD Achiever Question

Started by JMeik

Replies: 1
Views: 2,202

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

Inverter Duty Hyper Heat

Started by viking

Replies: 0
Views: 2,225

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: 2,321

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: 3,472

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: 3,196

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

Furnace fan problems!!!!

Started by matskot

Replies: 1
Views: 2,233

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

Oil burner problem

Started by Mikemrq

Replies: 2
Views: 3,522

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

Trane Burners Fail To Stay Lit

Started by krawfo

Replies: 3
Views: 2,634

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

Furnace randomly shuts off

Started by Agyuker

Replies: 2
Views: 2,378

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

Designation/certificate to do commercial hvac drawings???

Started by wantboost

Replies: 2
Views: 2,688

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

Anyone do Hvac drawing for new builds ??

Started by wantboost

Replies: 13
Views: 6,455

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

Adding returns in rooms

Started by hello73

Replies: 3
Views: 2,753

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

Is this possible?? HVAC professionals opinion needed

Started by martin1234

Replies: 0
Views: 2,223

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

Help with an Open High Limit on Goodman furnace

Started by ferox1

Replies: 3
Views: 3,782

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

Trane XV90 second stage doesn't always work

Started by Mark3577

Replies: 2
Views: 2,836

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

Ignitor not working - Control board? Lennox G61mpv

Started by Bigrockk

Replies: 7
Views: 4,906

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

Flame Rectifier Older Pilot Furnace

Started by Bob G

Replies: 4
Views: 2,693

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

Brand new Ruud u962v07

Started by Jpiazza

Replies: 2
Views: 2,685

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: 5,344

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