HVAC Help

Trane XV90 second stage doesn't always work

Started by Mark3577

Replies: 2
Views: 2,932

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

Ignitor not working - Control board? Lennox G61mpv

Started by Bigrockk

Replies: 7
Views: 5,209

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

Flame Rectifier Older Pilot Furnace

Started by Bob G

Replies: 4
Views: 2,781

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

Brand new Ruud u962v07

Started by Jpiazza

Replies: 2
Views: 2,755

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: 5,602

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

HVAC Apartment Insulation Replacement Needed?

Started by wella

Replies: 4
Views: 2,907

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: 4,023

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

Adding an HRV Controller

Started by YYC_duel_fuel

Replies: 2
Views: 3,896

October 05, 2023, 09:20:16 AM
by YYC_duel_fuel

"slow continuous" mode on ERV

Started by Eric808

Replies: 2
Views: 2,891

October 05, 2023, 08:01:31 AM
by Eric808

Calling for heat but no blower

Started by always something

Replies: 7
Views: 3,429

October 02, 2023, 08:19:18 PM
by always something

Bryant 315AA furnace the blower is always on, no flame, 33 code

Started by alex4321

Replies: 2
Views: 2,864

October 02, 2023, 06:08:55 PM
by Admin

AC Breaker tripping

Started by Syncmaster

Replies: 13
Views: 5,023

October 02, 2023, 05:50:45 PM
by Admin

I've been told installing a programmable Wi-Fi thermostat for a heat pump is...

Started by gfr92y

Replies: 5
Views: 3,767

September 22, 2023, 08:54:52 PM
by Admin

Heat pump thermostat recommendation

Started by Hgye

Replies: 3
Views: 2,762

September 21, 2023, 07:32:50 PM
by samihabib

Ecobee wiring issue

Started by deep

Replies: 1
Views: 2,599

September 17, 2023, 09:25:07 AM
by Admin

new to HVAC work

Started by taiwanluthiers

Replies: 5
Views: 3,916

September 11, 2023, 04:21:00 AM
by tenletters

New central AC, condensers and SEER2 ratings vary on competing quotes

Started by evbuyer18

Replies: 0
Views: 2,410

September 09, 2023, 09:54:27 AM
by evbuyer18

Self installed Pasapair 18K BTU split mini

Started by EricJC

Replies: 1
Views: 2,896

September 08, 2023, 05:09:09 PM
by Porcupinepuffer

Rooftop Pro-Lift Shenanagins

Started by Sergroum

Replies: 0
Views: 2,388

September 07, 2023, 11:01:59 AM
by Sergroum

308R help

Started by Tinbanger22

Replies: 0
Views: 2,224

September 07, 2023, 07:17:06 AM
by Tinbanger22

carrier infinity help needed, tech's seem to be guessing on issue

Started by rgs80074

Replies: 2
Views: 5,235

September 06, 2023, 03:46:34 PM
by rgs80074

$5500 Compressor or something else

Started by Dradran

Replies: 5
Views: 3,692

September 03, 2023, 06:26:59 AM
by tenletters

Intermittent cooling

Started by Rbs

Replies: 3
Views: 3,334

September 01, 2023, 10:50:49 AM
by taiwanluthiers

Invita Tekmar Tstat Alternatives

Started by Sergroum

Replies: 0
Views: 2,544

September 01, 2023, 10:14:26 AM
by Sergroum

Experience with either the 6700 or 6600 series Napoleon

Started by melaniewalker

Replies: 3
Views: 3,137

August 25, 2023, 05:28:26 PM
by Sergroum

Hvac

Started by Goldy40211

Replies: 2
Views: 3,063

August 25, 2023, 04:44:59 PM
by rmuntz

B/2 wire? Wut?

Started by Sergroum

Replies: 1
Views: 2,297

August 22, 2023, 05:09:45 PM
by Admin

Ecobee 5 + Lifebreath HRV installation help

Started by econewbee

Replies: 13
Views: 26,955

August 18, 2023, 07:57:52 PM
by Admin

Looking for Advice: Heat pump number of heads and location

Started by KVanier

Replies: 0
Views: 2,329

August 17, 2023, 12:54:28 PM
by KVanier

High pressure at 425 psi

Started by Ogontech

Replies: 2
Views: 2,426

August 12, 2023, 05:51:50 PM
by Porcupinepuffer

Float switch in a positive pressure air handler Trane

Started by Sintil8

Replies: 1
Views: 2,365

August 11, 2023, 12:40:20 PM
by Admin

Lifebreath 267max won’t run right

Started by Syno324

Replies: 0
Views: 2,264

August 01, 2023, 06:27:37 PM
by Syno324

Type of AC for small house

Started by Abandonedunit

Replies: 4
Views: 3,421

July 27, 2023, 08:52:42 AM
by Sergroum

Mini-Split HVAC System

Started by a2743

Replies: 4
Views: 2,623

July 24, 2023, 03:49:48 PM
by Admin

Normal for a compressor to get hot immediately?

Started by bigjoncoop

Replies: 1
Views: 2,129

July 24, 2023, 11:22:29 AM
by Sergroum

Las Vegas, Amana Split System (qty 2), stopped but now working

Started by bird95134

Replies: 3
Views: 2,509

July 24, 2023, 10:16:14 AM
by bird95134

The Nest Thermostat – where does the “C” wire go?

Started by Dynamo2000

Replies: 0
Views: 2,401

July 22, 2023, 09:14:18 PM
by Dynamo2000

High Coil Temp for Trane 1.5 Ton

Started by cotsy

Replies: 2
Views: 2,410

July 22, 2023, 08:44:04 AM
by cotsy

Fan coil humidity

Started by paprglider

Replies: 0
Views: 2,510

July 18, 2023, 03:15:46 PM
by paprglider

Serial number Friedrich AC

Started by Canadiancold

Replies: 0
Views: 2,458

July 10, 2023, 12:05:11 PM
by Canadiancold

carrier infinity fe4anf003 communication error 44/41 need help

Started by rgs80074

Replies: 0
Views: 7,169

July 09, 2023, 09:51:06 AM
by rgs80074

3 techs = 3 different answers.

Started by MrLakeShow

Replies: 5
Views: 3,247

July 06, 2023, 02:39:51 PM
by NoDIY

Help. So confused with A/C furnace and hot water tank.

Started by Kerbear

Replies: 1
Views: 1,965

July 06, 2023, 01:06:15 PM
by Admin

High velocity vs low velocity

Started by A-Rex

Replies: 2
Views: 3,039

July 05, 2023, 09:36:01 PM
by Hgye

Need Help - Obsolete Honeywell Thermostat

Started by Diamonddave952

Replies: 1
Views: 2,617

July 03, 2023, 08:45:23 AM
by Porcupinepuffer

ecobee with HRV

Started by boramos

Replies: 7
Views: 3,795

July 02, 2023, 11:45:55 PM
by Admin

Air stratification (on purpose)?

Started by Frstuttit

Replies: 0
Views: 1,892

July 02, 2023, 10:54:11 PM
by Frstuttit

Help needed! Local HVAC techs don’t even know what’s going on.

Started by Dsanders12

Replies: 2
Views: 2,117

June 28, 2023, 08:30:53 PM
by Dsanders12

Musty Smell coming through vents

Started by Bramski

Replies: 3
Views: 3,219

June 24, 2023, 06:37:48 AM
by Admin

Replacing 80's Thermostat 7.5v?

Started by rovafa2002

Replies: 3
Views: 2,264

June 22, 2023, 11:01:57 AM
by rovafa2002

ERV with whole house dehumidifier a good idea for Ontario?

Started by Eric808

Replies: 4
Views: 5,067

June 18, 2023, 06:16:01 AM
by Eric808

Question about my unit

Started by Smolsbee

Replies: 1
Views: 1,899

June 15, 2023, 02:36:16 PM
by Hgye

HELPP! HVAC duct motor spins and clicks!

Started by Mrdduma

Replies: 0
Views: 1,808

June 14, 2023, 06:31:58 PM
by Mrdduma

HVAC cheat sheets?

Started by Steve.Keelan

Replies: 2
Views: 3,040

June 07, 2023, 04:31:08 AM
by tenletters

Drastic HVAC performance reduction

Started by Theone964

Replies: 0
Views: 1,784

June 06, 2023, 02:29:23 PM
by Theone964

Poor HVAC Ventilation In Bedroom

Started by toicy4ya

Replies: 1
Views: 1,827

June 05, 2023, 07:05:46 PM
by Admin

22 Year Old Goodman Evap Coil

Started by robmaxfli

Replies: 5
Views: 2,769

June 04, 2023, 12:26:38 PM
by Admin

Mr. Cool P1 Code

Started by Hesslerk

Replies: 1
Views: 1,833

June 04, 2023, 09:26:13 AM
by Admin

Is it possible to have a two wire smart thermostat for central heating/cooling?

Started by PurpleKoolAid

Replies: 6
Views: 2,954

June 01, 2023, 10:53:34 AM
by PurpleKoolAid

Carrier Heat Pump Wiring Question.

Started by dastx435

Replies: 14
Views: 6,263

May 29, 2023, 03:06:40 AM
by Admin

313d exam study /practice material

Started by Batala2023

Replies: 1
Views: 1,973

May 26, 2023, 08:12:50 PM
by Admin

R422D superheat... Can't seem to get my unit to run efficiently

Started by DTinNC

Replies: 6
Views: 4,190

May 22, 2023, 11:52:37 PM
by DTinNC

Need help with HVAC unit (inside home) weird problem

Started by himybro

Replies: 5
Views: 2,584

May 17, 2023, 10:58:12 PM
by DTinNC

Old rheem thermostat change out

Started by tiny tim

Replies: 2
Views: 2,126

May 15, 2023, 03:47:24 PM
by tiny tim

Defrost damper function problem with Lennox HRV

Started by The Lion

Replies: 15
Views: 7,795

May 13, 2023, 01:07:07 PM
by The Lion

Lifebreath 155max

Started by nick22

Replies: 3
Views: 2,322

May 10, 2023, 06:32:45 PM
by Admin

Ecobee Smart Thermostat + HRV Ventilation System Installation Help!

Started by mythx1

Replies: 1
Views: 5,549

May 07, 2023, 09:22:03 AM
by Admin

Calculating meter capacity

Started by Andronius

Replies: 1
Views: 1,966

May 03, 2023, 09:20:16 PM
by Attavior

Looking for Help regarding relites of gas appliances

Started by Moen17

Replies: 2
Views: 1,958

May 03, 2023, 07:19:25 PM
by Moen17

Replacement for Trane XL824

Started by Robert 1151

Replies: 1
Views: 1,854

April 25, 2023, 06:22:36 PM
by Admin

Red Zone DVS 600 Air Handler Furnace connect with Tankless Hot Ware Heater havin

Started by tester22

Replies: 15
Views: 5,384

April 22, 2023, 07:47:50 PM
by tester22

Looking for help with heat pump

Started by vredfreak

Replies: 4
Views: 2,131

April 19, 2023, 12:59:12 PM
by vredfreak

Please help to identfy old condenser

Started by copyman

Replies: 3
Views: 2,284

April 18, 2023, 01:58:33 PM
by copyman

What type of duct work is this ??

Started by wantboost

Replies: 2
Views: 2,022

April 18, 2023, 06:39:53 AM
by Admin

Help! Getting Quotes for New Heat Pump

Started by AZflower23

Replies: 2
Views: 1,961

April 14, 2023, 06:43:16 AM
by Sergroum

313D Exams Private Forum

Started by divyanshumann

Replies: 2
Views: 2,401

April 12, 2023, 05:40:32 PM
by Sergroum

308r/a

Started by Sergroum

Replies: 2
Views: 2,108

April 10, 2023, 01:05:39 PM
by Sergroum

1: Did I damage my heat pump? 2: Should I simply replace defrost sensor & board?

Started by gfr92y

Replies: 5
Views: 2,442

April 09, 2023, 07:12:29 AM
by Sergroum

Two stage heat pump condenser only 4 wires

Started by Hvacgoon

Replies: 4
Views: 2,626

April 08, 2023, 06:55:48 PM
by Sergroum

Compressor Running - No Cooling Trane XR11

Started by bigjoncoop

Replies: 4
Views: 3,749

April 07, 2023, 11:37:35 AM
by rmuntz

Navian + iFlow advice on new house install

Started by iflower

Replies: 6
Views: 2,395

April 06, 2023, 10:58:47 PM
by Sergroum

TrueZone HZ432

Started by Sergroum

Replies: 2
Views: 2,459

April 05, 2023, 06:01:34 PM
by Sergroum

Blower too slow?

Started by micro

Replies: 3
Views: 2,068

April 04, 2023, 06:15:19 AM
by Admin

Instaflame Manual

Started by robstar

Replies: 17
Views: 29,537

April 01, 2023, 09:47:50 AM
by Derrby

Trane XV80 Furnace

Started by USAFTbone

Replies: 1
Views: 2,080

March 31, 2023, 10:04:20 AM
by Admin

h9mpv100j20d1 Blower motor issues

Started by Cwalker

Replies: 2
Views: 1,947

March 31, 2023, 07:58:02 AM
by Cwalker

who can apply csa permit for new air conditioning installation

Started by double008

Replies: 2
Views: 1,830

March 30, 2023, 06:02:42 PM
by Admin

Condensate Pan Tablets

Started by Sergroum

Replies: 2
Views: 3,374

March 30, 2023, 01:59:30 PM
by rmuntz

Mini-Split not blowing heat after a power outage.

Started by Steve23

Replies: 2
Views: 2,551

March 29, 2023, 08:31:24 AM
by Steve23

Need advice for head pressure controls

Started by svardekar

Replies: 1
Views: 1,964

March 28, 2023, 04:49:16 PM
by scarey8

Fan motor in Trane air handler not coming on. Capacitor?

Started by vacman

Replies: 22
Views: 14,369

March 27, 2023, 09:44:55 AM
by vacman

Lennox HP / AH compatibility

Started by joephu

Replies: 2
Views: 2,179

March 21, 2023, 07:39:45 PM
by joephu

White-Rodgers 36J27-508 Rev B

Started by DaveTF

Replies: 4
Views: 4,787

March 16, 2023, 08:28:19 PM
by Porcupinepuffer

I have an Ecobee 4

Started by newzealandescortspage

Replies: 1
Views: 1,961

March 14, 2023, 07:54:44 AM
by Admin

Enbridge Vent Connector issue

Started by scarey8

Replies: 7
Views: 3,057

March 09, 2023, 08:49:03 PM
by NoDIY

Goodman GMES96 air switch sputter

Started by chillerelvis

Replies: 0
Views: 1,667

March 07, 2023, 11:58:29 PM
by chillerelvis

Install new duct in slab

Started by Xiaopig9

Replies: 2
Views: 2,765

March 05, 2023, 01:15:55 PM
by Xiaopig9

Does testing a connection with voltmeter risk damaging the circuit ?

Started by vacman

Replies: 4
Views: 3,665

February 28, 2023, 05:27:37 PM
by vacman

Is The Ground Wired Correctly in Subpanel

Started by addmorebhp77

Replies: 1
Views: 2,098

February 24, 2023, 12:36:28 PM
by addmorebhp77

Sequence of events when removing, discharging, and testing a run capacitor

Started by vacman

Replies: 2
Views: 4,704

February 19, 2023, 07:20:06 PM
by tenletters

Recommended Condenser?

Started by johnywhy

Replies: 0
Views: 2,066

February 19, 2023, 08:41:08 AM
by johnywhy

Electric Dryer moisture exhaust duct - 2 Dryers using a single duct

Started by Huckleberry

Replies: 2
Views: 3,429

February 17, 2023, 11:50:37 PM
by Huckleberry

Faulty condensate trap causes damage to my new Goodman furnace

Started by radar2000

Replies: 3
Views: 2,849

February 15, 2023, 06:26:04 PM
by Sergroum

Adding Remote Switch to HRV (LifeBreath RNC-155)

Started by organometallics

Replies: 4
Views: 4,155

February 14, 2023, 02:01:44 PM
by organometallics

HVAC performance (CFM) vs filter state

Started by organometallics

Replies: 0
Views: 1,814

February 14, 2023, 01:52:25 PM
by organometallics

Venmar Terminal connector

Started by kman

Replies: 2
Views: 2,412

February 10, 2023, 10:52:33 AM
by kman

Venmar Constructo 1.0 stuck in boot loop

Started by ChrisW

Replies: 3
Views: 2,688

February 09, 2023, 08:00:11 PM
by ChrisW

Bryant error code 33, limit switch or draft safeguard?

Started by Raul7600

Replies: 2
Views: 2,280

February 07, 2023, 11:00:48 PM
by samihabib

Geo System w/ Honeywell HZ432 and 2- Nest Thermostat

Started by psu2ski32

Replies: 3
Views: 2,932

February 02, 2023, 08:28:59 PM
by Admin

Trane XV95 fan speed?

Started by tumbleweed

Replies: 3
Views: 3,280

January 30, 2023, 06:45:53 PM
by Admin

High Efficiency Furnace Venting Through Cold Air Return

Started by rkeaner

Replies: 2
Views: 2,390

January 29, 2023, 10:08:04 AM
by rkeaner

Question about mixing heat pump and Electric baseboard .

Started by futfut

Replies: 3
Views: 2,185

January 28, 2023, 07:32:52 PM
by Admin

Humming from Furnace. Ice on pipes.

Started by Levi-Leroy

Replies: 5
Views: 2,556

January 17, 2023, 08:27:27 PM
by Admin

American standard Heat doesnt kick in, Air intake partial block.?

Started by logsplitter

Replies: 1
Views: 1,854

January 15, 2023, 08:52:47 AM
by Admin

Refrigerant Q & A

Started by DIYDan

Replies: 2
Views: 2,006

January 13, 2023, 03:48:42 PM
by Porcupinepuffer

Electric furnace doesn't turn on when call for heat

Started by andre.dsouza

Replies: 2
Views: 2,275

January 12, 2023, 06:45:05 PM
by andre.dsouza

Adding sensor to air inlet

Started by JayKay1946

Replies: 1
Views: 1,920

January 11, 2023, 05:03:49 PM
by scarey8

Vane wall mount control has no power

Started by Jim48

Replies: 1
Views: 1,805

January 09, 2023, 03:58:53 PM
by Admin

From G2 to Class B of Alberta

Started by deep

Replies: 3
Views: 2,764

January 08, 2023, 09:26:08 PM
by Minh le

Are screws allowed inside a receptacle joint box mounted to a stud

Started by wantboost

Replies: 2
Views: 1,914

January 07, 2023, 09:49:02 AM
by Admin

Cozy Wall heater gas valve

Started by Aircrisp

Replies: 1
Views: 1,885

December 31, 2022, 06:59:58 PM
by Hgye

Lifebreath 155 max damper motor keeps running

Started by kktt

Replies: 1
Views: 2,053

December 28, 2022, 06:00:37 PM
by Admin

Lennox hrv control panel and switches blinking like Christmas tree

Started by kraga

Replies: 5
Views: 2,941

December 27, 2022, 04:46:07 PM
by kraga

Trane SX92 Speed taps settings

Started by DAN61

Replies: 6
Views: 4,259

December 27, 2022, 11:20:10 AM
by DAN61

united technologies 1158-120 fan timer board

Started by timd

Replies: 1
Views: 2,629

December 24, 2022, 10:04:30 AM
by Admin

retro fitting old heater

Started by dart

Replies: 1
Views: 1,986

December 18, 2022, 09:14:44 AM
by Porcupinepuffer

VanEE 90h damper issue

Started by bruceh

Replies: 5
Views: 5,494

December 14, 2022, 05:04:09 PM
by bruceh

Ductboard Box in Return Plenum Falling Apart

Started by taneal1

Replies: 4
Views: 3,777

December 10, 2022, 12:06:48 PM
by taneal1

Return Air duct insulation

Started by jayd

Replies: 2
Views: 2,581

December 09, 2022, 05:03:54 PM
by Admin

HVAC Help .. 2 Options

Started by Articlevivid182

Replies: 1
Views: 2,605

December 05, 2022, 11:04:49 PM
by Mmtc79

Trying to replace my thermostat for my fan-coil unit. But fans default to ON

Started by mkonecny

Replies: 2
Views: 2,036

December 02, 2022, 10:50:56 AM
by mkonecny

I need to "invert" the signal sent from my new thermometer to my HRV unit

Started by mkonecny

Replies: 0
Views: 1,637

December 02, 2022, 12:03:58 AM
by mkonecny

Why do I have two wires running to G in my thermostat?

Started by baipoll

Replies: 9
Views: 4,612

December 01, 2022, 06:55:19 PM
by Admin

Interlocking the lifebreath HRV to air handler

Started by Stmargaretsbay

Replies: 4
Views: 3,012

December 01, 2022, 06:41:35 PM
by Admin

C-wire

Started by Wolfman

Replies: 5
Views: 3,405

November 30, 2022, 04:28:34 PM
by Wolfman

Generalaire Humidifier not working

Started by asmidi

Replies: 8
Views: 4,374

November 29, 2022, 10:06:11 PM
by asmidi

Senville weird issues , please help!

Started by Newfiejeff

Replies: 0
Views: 1,784

November 25, 2022, 06:25:59 PM
by Newfiejeff

Need suggestion for filling destroyed slab ductwork!

Started by jtprice

Replies: 0
Views: 1,776

November 22, 2022, 06:54:17 PM
by jtprice

Need help with Nu-Air HRV unit

Started by AlexN

Replies: 4
Views: 3,000

November 21, 2022, 09:16:20 AM
by AlexN

Gas fireplace requirements ??

Started by wantboost

Replies: 5
Views: 2,362

November 20, 2022, 08:41:21 AM
by Porcupinepuffer

Is there a system where the thermostat is not wired to the wall

Started by Graebeard

Replies: 1
Views: 1,981

November 17, 2022, 04:34:22 PM
by Admin

ptrap evap drain question.

Started by mac

Replies: 2
Views: 1,975

November 13, 2022, 01:33:06 PM
by mac

Inducer assembly

Started by mnews

Replies: 5
Views: 2,348

November 10, 2022, 03:49:05 PM
by Porcupinepuffer

Information. About himark london

Started by Mikr

Replies: 1
Views: 1,751

November 04, 2022, 03:58:35 PM
by rmuntz

Help! Lifebreath 155

Started by ChelseaDangler

Replies: 4
Views: 3,099

November 03, 2022, 05:18:37 PM
by Admin

Central AC question

Started by MikeC555

Replies: 3
Views: 2,041

November 01, 2022, 12:57:45 PM
by MikeC555

Do I need to run new (more) wire to my stats?

Started by jkusmier

Replies: 4
Views: 2,952

November 01, 2022, 10:21:02 AM
by jkusmier

Is Pressure TOO High on my Boiler ?

Started by prayforsurf0

Replies: 2
Views: 1,960

October 26, 2022, 03:56:59 PM
by Porcupinepuffer

Stuttering Air Flow

Started by Danny_Kinkade

Replies: 2
Views: 2,128

October 24, 2022, 08:05:27 AM
by Danny_Kinkade

Heating and Cooling Zones

Started by mcavinee

Replies: 1
Views: 1,829

October 22, 2022, 11:35:55 AM
by Porcupinepuffer

Mid efficiency inducer fan will not start

Started by jinxie

Replies: 7
Views: 3,712

October 21, 2022, 03:35:02 PM
by Porcupinepuffer

Heat Pump goes into Fault mode after cycle - Clicking & Fault indicator

Started by Weaklink

Replies: 1
Views: 1,983

October 19, 2022, 09:51:18 AM
by Weaklink

Ecobee Smart Thermostat Premium PEK help

Started by Lost

Replies: 1
Views: 3,129

October 14, 2022, 06:38:11 PM
by Admin

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Replies: 4
Views: 2,740

October 13, 2022, 03:48:30 PM
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Replies: 1
Views: 1,842

October 13, 2022, 05:22:47 AM
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Started by Hgye

Replies: 2
Views: 1,966

October 12, 2022, 08:56:55 AM
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HELP! Furnace leakage

Started by xieaaron

Replies: 6
Views: 2,692

October 10, 2022, 08:49:41 PM
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Replies: 1
Views: 1,820

October 09, 2022, 02:22:51 PM
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Started by Gerthex

Replies: 0
Views: 1,733

October 07, 2022, 07:33:33 AM
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PTACs and Wired Thermostats

Started by spedprof

Replies: 2
Views: 2,493

October 04, 2022, 03:34:49 PM
by Sergroum

Honeywell T9 install for M1M Nordyne

Started by cmtullos

Replies: 2
Views: 2,075

October 02, 2022, 08:13:49 PM
by cmtullos

Exploring options to interlock and control Venmar HRV

Started by cmihai

Replies: 3
Views: 6,550

September 30, 2022, 07:33:09 PM
by Admin

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Started by wantboost

Replies: 6
Views: 3,280

September 27, 2022, 06:59:58 PM
by wantboost

GE Weathertron Heat Pump (Now Trane) - Need help ID'ing Parts

Started by livetoride2112

Replies: 4
Views: 2,955

September 13, 2022, 12:33:06 PM
by rmuntz

HRV automation

Started by SimonMartineau

Replies: 0
Views: 1,741

September 12, 2022, 07:56:53 AM
by SimonMartineau

Generators First and Second Stage Regulators

Started by Sergroum

Replies: 3
Views: 2,184

September 08, 2022, 06:06:19 PM
by Hvacpimp

black iron to copper pipe sizing capacity

Started by patico20

Replies: 1
Views: 1,872

September 02, 2022, 10:11:52 AM
by Admin

Txv info

Started by Looc00

Replies: 0
Views: 1,750

August 17, 2022, 04:30:29 PM
by Looc00

Backdraft Damper for HRV

Started by organometallics

Replies: 2
Views: 3,563

August 16, 2022, 08:53:46 PM
by organometallics

Anyone know what replacement blower motor I need?

Started by stevensrd1

Replies: 0
Views: 1,898

August 16, 2022, 03:57:30 PM
by stevensrd1

Need help understanding the wiring for my 2 HRV setup

Started by zapp7

Replies: 3
Views: 4,328

August 10, 2022, 06:22:56 PM
by Admin

Carrier Infinity Static Pressure TOO HIGH

Started by cbivolan

Replies: 1
Views: 2,688

August 07, 2022, 10:46:13 AM
by Admin

WiFi Controller for Venmar HRV

Started by Aya

Replies: 1
Views: 3,224

August 06, 2022, 06:14:11 PM
by Admin

Test port location recommendations + other suggestions

Started by disruptoergosum

Replies: 4
Views: 3,251

August 06, 2022, 06:12:33 AM
by disruptoergosum

Temp-mizer Control panel

Started by rkumar

Replies: 1
Views: 2,225

July 25, 2022, 07:11:16 PM
by Admin

Control wiring on heat pump with furnace

Started by Bcshaw

Replies: 4
Views: 3,400

July 07, 2022, 09:42:27 AM
by Bcshaw

Ecobee Smart Thermostat installation with HRV, Furnace and Air Conditioner

Started by tantu07

Replies: 2
Views: 7,474

July 06, 2022, 05:02:52 AM
by Admin

Furnace blower shuts off when A/C starts

Started by swampdonkey70

Replies: 11
Views: 9,753

July 01, 2022, 12:14:34 PM
by Hvacpimp

HVAC help please!

Started by steve.lim.dds

Replies: 3
Views: 2,220

June 24, 2022, 08:49:59 AM
by rmuntz

HVAC won’t shut off

Started by mrasg1

Replies: 2
Views: 2,260

June 16, 2022, 12:44:05 AM
by samihabib

flexible ducting for heating and cooling?

Started by Spar

Replies: 4
Views: 3,020

June 15, 2022, 07:31:34 PM
by Porcupinepuffer

Connecting Vanee Deco Touch + ecobee to HRV

Started by jmichaels

Replies: 3
Views: 2,830

June 11, 2022, 08:48:45 PM
by Admin

G and Y wire on HVAC

Started by gmane215

Replies: 3
Views: 3,477

June 10, 2022, 04:07:40 AM
by Porcupinepuffer

Heat Pump & Coil mismatch

Started by Sergroum

Replies: 4
Views: 2,154

June 09, 2022, 07:21:09 PM
by Sergroum

Sealing heat pump leak

Started by Jt81

Replies: 2
Views: 2,212

May 24, 2022, 04:12:37 AM
by Jt81

Approved Purge Burner

Started by BlindRiverPlumber

Replies: 1
Views: 3,402

May 20, 2022, 07:18:42 PM
by Admin

Thermopile

Started by deep

Replies: 2
Views: 2,433

May 16, 2022, 06:45:02 AM
by rmuntz

Arzel damper questions

Started by jellybean1

Replies: 0
Views: 1,963

May 12, 2022, 09:06:54 PM
by jellybean1

636 ipex

Started by deep

Replies: 1
Views: 2,030

May 12, 2022, 01:52:00 PM
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Replacement of exisitng Hitachi AC system

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Replies: 1
Views: 2,282

May 10, 2022, 12:17:59 PM
by Sergroum

Recepticle for water heater

Started by deep

Replies: 2
Views: 2,434

May 10, 2022, 12:07:43 PM
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AC ac evaporator and condenser mismatch

Started by evg114

Replies: 2
Views: 2,866

April 27, 2022, 06:22:31 PM
by evg114

Ecobee3 Lite + HRV wiring blew furnace fuse

Started by redkulat

Replies: 36
Views: 45,110

April 24, 2022, 08:20:50 AM
by Mr. Mayor

Heat pump on gas furnace.

Started by kevind158

Replies: 2
Views: 2,589

April 19, 2022, 04:14:26 PM
by Sergroum

5 amber/yellow blinks

Started by edee_em

Replies: 3
Views: 5,132

April 16, 2022, 08:15:02 PM
by edee_em

Venmar A130H65RT HRV synchronization with furnace troubleshooting

Started by thegoodlife

Replies: 4
Views: 4,237

April 11, 2022, 07:35:47 PM
by thegoodlife

Does a 2 ton ducted mini split for 850sqf sounds right?

Started by ColdNewbie

Replies: 7
Views: 3,764

April 09, 2022, 11:10:41 AM
by tenletters

Fraser-Johnston gas furnace intermittent misfire problem

Started by finnegale

Replies: 1
Views: 2,340

April 05, 2022, 10:01:43 AM
by Admin

Venting - commercial application

Started by Attavior

Replies: 2
Views: 2,260

March 29, 2022, 05:34:36 PM
by Attavior

Cheap Thermostat Issues?

Started by prufrok

Replies: 1
Views: 2,392

March 29, 2022, 05:02:00 PM
by Admin