HVAC Help

York Air Handler 24VAC

Started by lkenny

Replies: 2
Views: 2,233

February 13, 2022, 07:14:00 AM
by lkenny

ice ice baby ??

Started by corrinarusso

Replies: 8
Views: 2,787

January 31, 2022, 05:07:18 AM
by Porcupinepuffer

Lennox XP 14 issues

Started by Rhbaze

Replies: 0
Views: 1,886

January 27, 2022, 07:52:55 PM
by Rhbaze

Bryant 926TB 2 stage gas furnace installed smart thermostat wiring help

Started by indiana

Replies: 8
Views: 4,984

January 27, 2022, 03:53:45 PM
by Admin

Ecobee4 Wiring 2 stage Rheem Furnace + Ac + Humidifier

Started by Tailtunz

Replies: 2
Views: 2,969

January 26, 2022, 07:06:11 AM
by Tailtunz

DX-Pl02 with a lifebreath 155 Max (first generation...)

Started by fm1rt9n

Replies: 2
Views: 2,606

January 18, 2022, 07:54:58 PM
by fm1rt9n

Interlocking Old Lifebreath HRV (Model 100DEF) to Furnace Fan

Started by Gordon

Replies: 5
Views: 3,166

January 17, 2022, 07:05:56 PM
by Gordon

Mitsubishi Zuba heating mode noise level

Started by David321

Replies: 5
Views: 7,911

January 16, 2022, 08:22:48 AM
by phabsch

Help removing ceiling return filter grille

Started by EasyRhino

Replies: 1
Views: 2,829

January 15, 2022, 08:26:47 PM
by Sergroum

Norton relays melting

Started by cbax

Replies: 0
Views: 2,159

January 12, 2022, 07:17:19 PM
by cbax

Carrier HRV model HRVCCSVU1150-A

Started by whoru4

Replies: 1
Views: 2,387

January 04, 2022, 07:32:47 PM
by Admin

Megatape for gas pipe

Started by samihabib

Replies: 1
Views: 1,974

December 31, 2021, 07:43:21 PM
by NoDIY

Lifebreath HRV

Started by Dcat

Replies: 4
Views: 10,293

December 28, 2021, 11:45:11 AM
by HiKsFiles

Furnace cycling problem

Started by ruby278

Replies: 3
Views: 2,850

December 24, 2021, 06:07:53 PM
by Hgye

Furnace fan restarting

Started by oldguy

Replies: 3
Views: 2,769

December 08, 2021, 06:23:14 AM
by Admin

Lennox limit switch problem

Started by drpil

Replies: 13
Views: 8,650

December 05, 2021, 01:06:09 PM
by drpil

Just getting your opinion

Started by sinsaregone

Replies: 0
Views: 2,057

November 27, 2021, 11:13:48 AM
by sinsaregone

Aprilaire humidity reading issue

Started by edst99

Replies: 0
Views: 2,037

November 27, 2021, 10:18:37 AM
by edst99

ERV wiring to 'incompatible' controller

Started by jimofall

Replies: 2
Views: 2,849

November 25, 2021, 10:44:44 AM
by jimofall

Honeywell T10 - Avoiding Aux Heat for Defrost

Started by nailbird

Replies: 2
Views: 4,187

November 24, 2021, 07:41:33 PM
by nailbird

Replace old with smart thermostat

Started by topaz318

Replies: 0
Views: 2,293

November 17, 2021, 12:06:37 PM
by topaz318

fire damper in basement help

Started by xchainsz

Replies: 0
Views: 2,064

November 07, 2021, 05:59:39 PM
by xchainsz

Mini Split

Started by BillC

Replies: 0
Views: 2,160

October 27, 2021, 10:46:36 AM
by BillC

Venting Microwave Distance from Stove Cooktop

Started by Pauls_HVAC_Woes

Replies: 1
Views: 2,169

October 26, 2021, 05:18:22 PM
by Porcupinepuffer

Wiring Air Exchanger to Ecobee

Started by Zabrodov

Replies: 3
Views: 5,109

October 21, 2021, 10:03:55 AM
by Zabrodov

Ecobee Smart Thermostat (Ver. 5) blowing furnace fuse

Started by dantrium

Replies: 1
Views: 2,910

October 14, 2021, 04:15:23 PM
by Admin

Identifying refrigerant

Started by Sergroum

Replies: 4
Views: 2,608

October 14, 2021, 10:28:45 AM
by Sergroum

Horizontal twinned furnaces

Started by Ac226

Replies: 6
Views: 3,130

September 22, 2021, 08:38:19 AM
by Sergroum

Vanee 200H connection to Viessmann Airflow Plus air handler AH2A-354

Started by garyparsons

Replies: 2
Views: 2,728

September 14, 2021, 11:48:58 AM
by garyparsons

Hvac drain assembly bag

Started by organometallics

Replies: 3
Views: 2,595

September 10, 2021, 06:59:01 PM
by organometallics

Regular venting

Started by howitt

Replies: 2
Views: 2,761

August 28, 2021, 07:17:33 AM
by howitt

Undergroung gas line

Started by GHAC

Replies: 6
Views: 3,223

August 11, 2021, 03:37:56 PM
by GHAC

Hi-Velocity System

Started by jamie

Replies: 8
Views: 5,347

July 26, 2021, 02:59:44 PM
by jamie

Not cooling

Started by Yashax

Replies: 6
Views: 3,483

July 22, 2021, 08:31:07 PM
by rmuntz

HRV question Please help!

Started by Bigmack88

Replies: 1
Views: 2,637

July 17, 2021, 09:20:18 PM
by Dwayne2021

Help with these abbreviations?

Started by scattershot

Replies: 0
Views: 2,451

July 17, 2021, 07:46:39 PM
by scattershot

Basement - Location of supply and return vents

Started by CasperTron

Replies: 3
Views: 3,206

July 06, 2021, 05:20:47 AM
by Admin

Clearance between furnace intake and Radon exhaust

Started by Rainspring

Replies: 1
Views: 4,067

June 26, 2021, 10:54:20 PM
by Attavior

Quick question about Ecobee + Vanee HRV

Started by dsurge

Replies: 4
Views: 5,084

June 23, 2021, 11:55:07 PM
by Sergroum

Charging multi-zone heat pumps

Started by zdotenergy

Replies: 1
Views: 2,795

June 15, 2021, 04:55:21 PM
by Admin

three way valves and proportional controls

Started by Randyman

Replies: 2
Views: 2,798

June 13, 2021, 01:43:03 PM
by Randyman

Electrical outlet near HVAC venting outdoors

Started by gary4116

Replies: 2
Views: 3,245

June 09, 2021, 06:41:57 PM
by rmuntz

House is Hot Upstairs and Cold Downstairs

Started by Coco Pete Washburn

Replies: 4
Views: 3,407

June 07, 2021, 07:09:34 PM
by gary4116

AC outside unit turning on and off

Started by edee_em

Replies: 3
Views: 3,155

May 30, 2021, 09:05:33 AM
by edee_em

vanEE 1001 Gold Series + ComfortSync A3 (S30) Tstat

Started by YYZ342

Replies: 0
Views: 2,530

May 27, 2021, 08:28:54 AM
by YYZ342

Heat pump wiring question

Started by Beachparty

Replies: 3
Views: 3,055

May 16, 2021, 12:40:58 PM
by Beachparty

HVAC & Smart Thermostats

Started by Ali9999

Replies: 4
Views: 8,041

May 07, 2021, 02:38:23 PM
by Admin

AC Wiring Question

Started by unknowndude

Replies: 3
Views: 3,338

April 29, 2021, 09:23:50 PM
by Sergroum

Rheem tankless venting requirements.

Started by imaginenewmedia

Replies: 2
Views: 3,375

April 15, 2021, 05:33:46 PM
by imaginenewmedia

Code C.2.16 Amendment

Started by hvacstudent

Replies: 2
Views: 3,165

April 05, 2021, 11:56:11 AM
by hvacstudent

Installing ECOBEE 3lite with dual fuel and possible issue

Started by Sw0226

Replies: 1
Views: 4,640

April 02, 2021, 02:35:52 PM
by rmuntz

Question about routing Gastite through exterior brick wall

Started by TommyW

Replies: 5
Views: 5,933

March 28, 2021, 11:49:49 AM
by NoDIY

gastite

Started by xchainsz

Replies: 1
Views: 3,683

March 22, 2021, 02:18:56 PM
by scarey8

gas pipe behind drywall

Started by alfred67

Replies: 2
Views: 2,814

March 21, 2021, 10:03:44 AM
by alfred67

LifeBreath wiring & control

Started by BeachBoy

Replies: 2
Views: 3,546

March 15, 2021, 11:58:51 AM
by DrugiLue

313A Without an Apprenticeship?

Started by hvacboy10

Replies: 2
Views: 4,116

March 14, 2021, 09:54:13 AM
by rmuntz

water heater power vent exhaust question/advice

Started by contact148

Replies: 2
Views: 2,991

March 09, 2021, 09:19:49 PM
by Sergroum

Van EE ventilation system

Started by Brenda

Replies: 1
Views: 2,828

March 05, 2021, 02:29:04 PM
by scarey8

Does anyone know how to size a plenum?

Started by badhomeowner

Replies: 2
Views: 16,171

February 27, 2021, 08:07:21 PM
by Sergroum

Balancing Lifebreath HRV with manometer

Started by organometallics

Replies: 3
Views: 4,922

February 18, 2021, 09:52:41 AM
by Admin

Can't Get Humidity to Proper Level

Started by wired00

Replies: 6
Views: 3,650

February 14, 2021, 01:38:18 PM
by wired00

Honeywell T10 vs Ecobee 4 for HRV Control

Started by Canadave

Replies: 5
Views: 15,076

February 11, 2021, 03:36:35 PM
by Admin

HRV setting in winter

Started by eayeg

Replies: 0
Views: 2,716

February 09, 2021, 12:35:05 AM
by eayeg

Ecobee 4 powering a drum humidifier?

Started by rhconcepts

Replies: 1
Views: 2,810

February 06, 2021, 08:44:37 AM
by scarey8

Mister Mini Help SOLVED

Started by rhconcepts

Replies: 3
Views: 3,544

February 06, 2021, 02:21:03 AM
by rhconcepts

Thermostat suggestions for York modulating furnace

Started by edee_em

Replies: 6
Views: 6,375

February 03, 2021, 03:21:32 AM
by edee_em

Lefebreath RNC 155 control wiring problem

Started by c4car

Replies: 2
Views: 3,180

February 02, 2021, 03:35:03 PM
by c4car

Wiring help changing from WR 1F79 to Vine TJ-225

Started by lvfmc85

Replies: 2
Views: 3,737

January 31, 2021, 09:00:55 PM
by lvfmc85

Nest RH POWER ISSSUE - NEED TO ADD 5th WIRE

Started by filiberto

Replies: 0
Views: 2,613

January 30, 2021, 07:39:03 PM
by filiberto

Red tag: rating plate

Started by Sergroum

Replies: 7
Views: 5,330

January 24, 2021, 08:43:18 AM
by tenletters

Can't stop HRV fan from running for 3 minutes every 6 hours

Started by quaildog

Replies: 1
Views: 3,292

January 23, 2021, 02:36:18 PM
by scarey8

High temperature raises high humidity

Started by GTImané

Replies: 5
Views: 3,381

January 23, 2021, 10:35:33 AM
by rmuntz

Snow covered heat exchanger during the night.

Started by Heartbolt

Replies: 4
Views: 3,288

January 20, 2021, 11:16:52 PM
by Heartbolt

ecobee 3 and HRV/furnace

Started by Pauly

Replies: 11
Views: 12,329

January 18, 2021, 07:03:15 PM
by Admin

ECOBEE 4 + HRV + Humidifier

Started by grinthock

Replies: 32
Views: 49,563

January 18, 2021, 09:12:19 AM
by tonypet

Help wiring humidistat Rheem v96

Started by rhconcepts

Replies: 1
Views: 2,998

January 17, 2021, 09:37:08 PM
by rhconcepts

G43 Lennox issue

Started by Mikeydaman

Replies: 7
Views: 4,568

January 17, 2021, 01:43:55 PM
by Mikeydaman

Please help with studying for gas exam, class B

Started by plumberjim40

Replies: 1
Views: 4,252

January 13, 2021, 05:45:08 PM
by Porcupinepuffer

Furnace heat cycle gets interrupted

Started by jhcarver

Replies: 7
Views: 3,909

January 09, 2021, 08:41:48 PM
by Admin

Help with s636 tools ??

Started by wantboost

Replies: 3
Views: 3,687

January 09, 2021, 10:59:46 AM
by Porcupinepuffer

Repair or Replace: Heil DC90

Started by informedconsumer

Replies: 2
Views: 8,546

January 07, 2021, 09:31:05 AM
by NoDIY

Replacement for 20-4060 minute timer

Started by cw

Replies: 5
Views: 4,036

January 06, 2021, 08:48:18 PM
by Frosty

Pex cutter /crimper which brand to buy ??

Started by wantboost

Replies: 0
Views: 3,009

January 05, 2021, 08:02:38 AM
by wantboost

Blower on delay (Goodman)

Started by ADVer

Replies: 4
Views: 5,077

January 04, 2021, 01:56:33 PM
by ADVer

Evaporator Coil Drips On Filter

Started by IYELLALOT

Replies: 0
Views: 2,723

January 02, 2021, 12:10:14 PM
by IYELLALOT

Rollout Switch conundrum

Started by Aces

Replies: 3
Views: 3,294

December 27, 2020, 05:13:41 PM
by Sergroum

ERV5-175-TPD

Started by harshal

Replies: 1
Views: 2,706

December 27, 2020, 05:10:50 PM
by Admin

electric baseboard heater location

Started by MarkJKubicki

Replies: 0
Views: 2,722

December 25, 2020, 04:33:33 PM
by MarkJKubicki

Nest thermostat

Started by gldddm

Replies: 0
Views: 2,839

December 22, 2020, 09:50:14 PM
by gldddm

Enbridge btu content??

Started by wantboost

Replies: 2
Views: 3,393

December 19, 2020, 09:55:56 PM
by wantboost

PRESTIGE IAQ or alternative

Started by flash21

Replies: 0
Views: 2,828

December 11, 2020, 01:55:20 PM
by flash21

GeneralAire humidifier won’t rise above 29

Started by Shoeman

Replies: 2
Views: 3,467

December 05, 2020, 08:59:55 AM
by Shoeman

Whole house humidifier

Started by DryinCO

Replies: 1
Views: 3,294

December 01, 2020, 09:33:03 AM
by Sergroum

Van EE hrv bronze lite settings for winter???

Started by wantboost

Replies: 3
Views: 3,237

November 30, 2020, 04:59:37 PM
by tenletters

bryant parts

Started by xchainsz

Replies: 0
Views: 3,230

November 26, 2020, 07:13:15 PM
by xchainsz

air return to nowhere

Started by edee_em

Replies: 5
Views: 3,994

November 25, 2020, 07:01:12 PM
by edee_em

LOCHINVAR BOILER

Started by steviegee

Replies: 2
Views: 3,358

November 22, 2020, 10:14:59 AM
by Hgye

Trane XR90 condensate fitting?

Started by framistat

Replies: 0
Views: 3,198

November 17, 2020, 12:36:50 PM
by framistat

Flood Alarms

Started by Sergroum

Replies: 2
Views: 3,726

November 08, 2020, 06:01:10 PM
by tenletters

Tool for hard to reach flame sensor or hsi??

Started by wantboost

Replies: 3
Views: 3,659

November 05, 2020, 09:35:09 PM
by Frosty

Nest Humidifier Not Running Unless in Test Mode

Started by unknowndude

Replies: 0
Views: 2,806

November 01, 2020, 08:43:00 AM
by unknowndude

Furnace blower motor problem

Started by pipling

Replies: 3
Views: 6,324

October 27, 2020, 02:59:46 PM
by Admin

boiler backfires

Started by xchainsz

Replies: 1
Views: 3,868

October 21, 2020, 03:17:20 PM
by Admin

Ontario Code for inlaw suite above garage?

Started by eddyg519

Replies: 1
Views: 2,994

October 21, 2020, 06:58:41 AM
by Admin

Question on 24V humidifier connection to Carrier comfort zone 2 system

Started by SuperchargedWS6

Replies: 1
Views: 3,394

October 06, 2020, 04:11:12 AM
by Porcupinepuffer

Differences between 59MN7A and 59MN7B

Started by rminoak

Replies: 7
Views: 5,314

October 03, 2020, 11:29:54 AM
by rminoak

G1 practice exams

Started by Hvacpimp

Replies: 4
Views: 4,288

September 30, 2020, 07:20:54 AM
by Hvacpimp

313D BooK

Started by Minh le

Replies: 1
Views: 3,124

September 29, 2020, 04:37:44 PM
by Porcupinepuffer

Exterior Ductwork Insulation

Started by Sergroum

Replies: 0
Views: 3,048

September 28, 2020, 11:57:56 AM
by Sergroum

Radon sub-slab fan

Started by Lee Batchelor

Replies: 2
Views: 3,419

September 24, 2020, 08:14:06 AM
by Lee Batchelor

Taking my G3 practical next week

Started by Drip

Replies: 1
Views: 3,153

September 19, 2020, 07:43:13 AM
by Porcupinepuffer

HRV Remote Buttons Not working with Ecobee

Started by robotjesus

Replies: 0
Views: 3,017

September 13, 2020, 08:43:19 PM
by robotjesus

Condensate leak at pan/plastic interface

Started by Yoshi8209

Replies: 4
Views: 3,689

September 13, 2020, 04:58:12 PM
by Porcupinepuffer

Fireplace co ppm

Started by jamie

Replies: 2
Views: 3,650

September 13, 2020, 04:53:28 PM
by Porcupinepuffer

313A apprenticeship help

Started by Davehay1

Replies: 8
Views: 6,650

September 03, 2020, 03:07:34 PM
by tenletters

Propane Meter Clearance

Started by Porcupinepuffer

Replies: 2
Views: 3,280

August 20, 2020, 04:50:42 PM
by Porcupinepuffer

G2 vs "refrigeration and air conditioning mechanic "

Started by wantboost

Replies: 3
Views: 4,312

August 20, 2020, 05:32:57 AM
by tenletters

Underground Pipe and tubing size

Started by Steve.Keelan

Replies: 7
Views: 8,632

August 11, 2020, 10:30:29 PM
by Hvacpimp

Hooking up Smart Thermostat to a Fan Center Relay

Started by pavichokche

Replies: 0
Views: 4,361

July 15, 2020, 10:48:55 PM
by pavichokche

Pool heater underground piping

Started by enzof

Replies: 13
Views: 8,608

July 10, 2020, 07:16:34 PM
by Alexhudson14

Distance Between Multiple Exhaust Vents

Started by Eric E

Replies: 3
Views: 6,259

July 09, 2020, 04:41:31 PM
by Admin

Heat pump on old oil furnace

Started by Alexhudson14

Replies: 3
Views: 3,750

July 08, 2020, 12:36:47 PM
by Alexhudson14

HVAC System Performance Questions

Started by SnakeDoctor

Replies: 2
Views: 3,469

July 07, 2020, 09:34:09 AM
by rmuntz

Is ERV-Furnace interlock a two-way? Will furnace start ERV?

Started by quicktypez

Replies: 1
Views: 4,192

June 17, 2020, 08:02:56 PM
by Admin

Can i place an ERV further from the furnace?

Started by quicktypez

Replies: 0
Views: 3,473

May 24, 2020, 10:18:23 PM
by quicktypez

Air Return Issue

Started by edee_em

Replies: 2
Views: 4,230

May 24, 2020, 11:12:05 AM
by edee_em

T&P relief valve replacement

Started by Samjohn

Replies: 8
Views: 5,580

May 13, 2020, 12:18:14 PM
by walker

Installing basic humidifier in a Rheem with standard thermostat

Started by Porcupinepuffer

Replies: 20
Views: 22,295

May 10, 2020, 07:59:08 PM
by Jackb

lifebreath r2000 defrost

Started by mpi

Replies: 0
Views: 3,690

May 09, 2020, 12:22:48 PM
by mpi

Water Heater Relief Valve - Is this to code?

Started by walker

Replies: 8
Views: 10,523

April 29, 2020, 04:27:09 PM
by Samjohn

Combustion flue gas analyzer know how

Started by Samjohn

Replies: 7
Views: 6,671

April 29, 2020, 06:30:50 AM
by Samjohn

Heating ducts vs Air Exchange in finished basement

Started by Msmagooo

Replies: 2
Views: 4,813

April 06, 2020, 03:44:33 PM
by Msmagooo

Ecobee4 and HRV - HRV runs constantly

Started by Asclepiadae

Replies: 4
Views: 6,922

March 30, 2020, 05:34:47 PM
by Asclepiadae

Furnace humidity help

Started by Jastola

Replies: 0
Views: 4,212

March 08, 2020, 12:18:40 PM
by Jastola

furnace air supply/moisture exhast duct separation

Started by dph77

Replies: 2
Views: 5,980

March 05, 2020, 05:03:43 PM
by NoDIY

HRV question

Started by Pauly

Replies: 15
Views: 10,098

March 01, 2020, 03:11:48 PM
by Pauly

Honeywell T9 home with C wire adapter

Started by antec

Replies: 11
Views: 11,530

February 22, 2020, 04:26:30 PM
by Admin

Ducane 2 stage furnace ..fan is continuis runing

Started by hungquang1980

Replies: 0
Views: 3,927

February 22, 2020, 11:23:07 AM
by hungquang1980

Ecobee4 + humidifier, HRV w/interlock

Started by Nkiwan

Replies: 3
Views: 6,108

February 22, 2020, 01:16:24 AM
by Admin

BAC/BMS and their interaction with HVAC equipment

Started by Sergroum

Replies: 0
Views: 4,201

February 19, 2020, 12:52:13 PM
by Sergroum

200MAX won’t self-test

Started by Old_guy

Replies: 0
Views: 3,813

February 13, 2020, 04:34:28 PM
by Old_guy

Taco ZVC404-Exp

Started by gercoop

Replies: 0
Views: 3,816

February 10, 2020, 02:00:39 PM
by gercoop

Warm air and cold air returns

Started by Brianod

Replies: 3
Views: 4,671

February 09, 2020, 05:18:11 PM
by Sergroum

location of fresh air vent

Started by adepaolis

Replies: 1
Views: 4,025

February 05, 2020, 09:38:50 AM
by Admin

Honeywell T5

Started by OlivierM

Replies: 16
Views: 8,863

February 05, 2020, 09:20:16 AM
by OlivierM

Trane heat pump

Started by brad_monty10

Replies: 6
Views: 6,238

January 28, 2020, 08:23:03 PM
by brad_monty10

Where should this hose be ??

Started by wantboost

Replies: 4
Views: 5,028

January 25, 2020, 10:25:43 AM
by brad_monty10

Trane XB80 runs intermittently

Started by Smokindog

Replies: 10
Views: 7,871

January 21, 2020, 01:39:15 PM
by Smokindog

HRV defrost mode setting

Started by organometallics

Replies: 6
Views: 14,255

January 19, 2020, 05:53:32 PM
by organometallics

Lennox hrv5 not working properly with switch and controller blinking

Started by kraga

Replies: 2
Views: 5,444

January 17, 2020, 05:02:28 PM
by Admin

Humidifier Installation

Started by JAG76

Replies: 3
Views: 5,322

January 09, 2020, 09:52:59 AM
by Admin

vanEE 90h fan not running

Started by Chris_ua56

Replies: 4
Views: 9,818

January 06, 2020, 06:55:03 PM
by Chris_ua56

Can't Increase RH in Home - Help!

Started by 1967HOME

Replies: 10
Views: 7,787

January 06, 2020, 06:41:20 AM
by Hgye

Ecobee & Air Exchanger Questions

Started by cjcarlson

Replies: 3
Views: 9,465

January 05, 2020, 02:21:18 PM
by Admin

Electrical Connections - Condensate Pump

Started by Attavior

Replies: 15
Views: 16,693

December 31, 2019, 02:41:38 PM
by Admin

Neighbour's Exhause Pipe Too Close to Our House?

Started by steve4387

Replies: 4
Views: 8,467

December 25, 2019, 11:51:26 PM
by Sergroum

installing a low pressure cut off switch on propane furnace

Started by mattmctree

Replies: 8
Views: 12,334

December 19, 2019, 09:32:15 PM
by Admin

Connection Diagram of Furnace+HRV+AC+Thermostat+Auto Humidfier+Digital Humidstat

Started by nwbbay

Replies: 0
Views: 3,978

December 15, 2019, 07:04:27 PM
by nwbbay

Shelf clearance to combi unit

Started by wantboost

Replies: 8
Views: 7,009

December 05, 2019, 04:16:21 PM
by Admin

Vanee 90H-V-ECM ERV defrost

Started by flash21

Replies: 0
Views: 4,438

November 13, 2019, 01:13:51 PM
by flash21

Siemens magnetic steam prv

Started by markdennisw

Replies: 0
Views: 4,518

November 12, 2019, 02:06:20 PM
by markdennisw

ECOBEE + SINGLE-STAGE BOILER + HRV

Started by can514

Replies: 4
Views: 5,775

November 05, 2019, 09:57:00 PM
by can514

Split fridge/freezer system

Started by Bananabender56

Replies: 1
Views: 4,699

November 05, 2019, 08:45:16 AM
by rmuntz

York Dual Stage Furnace Board... 2 in 2 years

Started by jasunderland

Replies: 4
Views: 5,658

November 04, 2019, 09:05:16 PM
by jasunderland

Reznor UDAP45

Started by jamie

Replies: 1
Views: 4,958

November 04, 2019, 06:58:59 PM
by Admin

Polaris Power Supply Board

Started by Sergroum

Replies: 4
Views: 6,368

November 03, 2019, 07:00:24 PM
by Frosty

Vanee Unit 90H-V-ECM ERV vs Furnace and Honeywell YTHX9421R5085WW/U

Started by flash21

Replies: 0
Views: 4,465

November 03, 2019, 09:14:28 AM
by flash21

Help - LENNOX EL296 w/S30 Stat. & VanEE 65HRV

Started by Caker

Replies: 8
Views: 9,348

November 01, 2019, 04:31:13 PM
by Admin

Radon removal via HRV

Started by Lee Batchelor

Replies: 8
Views: 10,263

October 30, 2019, 12:28:20 PM
by Admin

Ecobee and HRV

Started by flash21

Replies: 7
Views: 11,990

October 29, 2019, 08:48:47 PM
by flash21

HRV vs ERV in GTA climate

Started by flash21

Replies: 2
Views: 4,949

October 29, 2019, 08:39:52 PM
by flash21

Can I install a humidifier on this air handler/combi unit ??

Started by wantboost

Replies: 16
Views: 10,158

October 16, 2019, 02:37:53 PM
by Frosty

Whalen Woes

Started by Sergroum

Replies: 11
Views: 13,548

October 07, 2019, 08:37:45 AM
by Sergroum

Help with HRV and Furnace Air Handler

Started by WestC

Replies: 6
Views: 7,150

October 06, 2019, 05:59:15 PM
by WestC

Can some one help on these units.

Started by larrys2006

Replies: 1
Views: 4,689

September 24, 2019, 03:53:57 PM
by Admin

How to decrease sound transmission?

Started by howitt

Replies: 2
Views: 5,264

September 22, 2019, 10:09:26 AM
by NoDIY

Building Code - Finishing Basement and HVAC

Started by Matthewl14

Replies: 11
Views: 20,352

September 20, 2019, 05:14:55 PM
by Admin

CSST GROUNDING?

Started by danjhk

Replies: 5
Views: 8,931

September 20, 2019, 03:30:02 PM
by Admin

Lennox 14HPX-030 - fan will not kick on

Started by BLKeley

Replies: 11
Views: 8,736

September 14, 2019, 01:25:19 PM
by Sergroum

Gas pipe sizing off meter for point load

Started by Hvacmack

Replies: 1
Views: 5,684

September 07, 2019, 04:21:49 AM
by Admin

Coil placement in electric furnace

Started by Porcupinepuffer

Replies: 2
Views: 7,740

August 16, 2019, 05:00:08 PM
by Porcupinepuffer

Should I invest in a new HVAC system?

Started by Xlinbee

Replies: 3
Views: 6,223

August 03, 2019, 01:18:38 PM
by Sergroum

cleaning a goodman secondary heat exchanger

Started by mattmctree

Replies: 0
Views: 4,944

July 30, 2019, 11:09:31 AM
by mattmctree

Ecobee 5 HRV wiring help needed

Started by Rob180sx

Replies: 4
Views: 6,430

July 27, 2019, 09:26:24 AM
by Rob180sx

htp Versa Hydro combi unit.

Started by Sergroum

Replies: 3
Views: 5,728

July 25, 2019, 08:49:21 AM
by bster352

Help Installing EcoBee Smart Thermostat

Started by wubism

Replies: 3
Views: 7,639

July 17, 2019, 09:42:31 PM
by Admin

ECM condenser motor not spinning. Before replacing is there something I am missi

Started by adavid

Replies: 6
Views: 10,360

July 13, 2019, 04:09:23 AM
by williammark

Brand new Lennox heatpump noise and pulsating

Started by Jmack

Replies: 9
Views: 10,779

July 04, 2019, 09:46:25 AM
by Sergroum

Air conditioning install in new homes

Started by harshal

Replies: 3
Views: 6,187

June 20, 2019, 08:10:34 PM
by Admin

ask for approach temp and space temp

Started by teeckg

Replies: 1
Views: 5,539

June 10, 2019, 06:46:43 PM
by Admin

Goodman heat pump freezing up

Started by Fireman Bill

Replies: 3
Views: 6,734

June 02, 2019, 07:58:05 PM
by Admin

Need suggestion to choose fujitsu Heat pump

Started by mir

Replies: 0
Views: 5,369

May 22, 2019, 03:00:34 PM
by mir

Gas Pipe Through Concrete Wall

Started by Paf

Replies: 1
Views: 7,442

May 10, 2019, 10:56:56 PM
by Admin

313D exam questions for Oshawa

Started by hvacguy2019

Replies: 1
Views: 5,946

May 10, 2019, 11:57:24 AM
by Admin

Lifebreath HRV Digital Control error.

Started by jonathanbutton

Replies: 11
Views: 21,100

May 07, 2019, 11:52:48 PM
by softrockstar

Ventilation and damper control

Started by radguyjames

Replies: 2
Views: 8,375

May 02, 2019, 07:48:14 PM
by Admin

Dizzy

Started by Medic1982

Replies: 7
Views: 9,069

April 11, 2019, 06:47:43 PM
by Porcupinepuffer

G2 exam preparation

Started by Eric.p

Replies: 0
Views: 5,417

April 09, 2019, 07:52:25 PM
by Eric.p

Isn't this against code ??

Started by wantboost

Replies: 6
Views: 8,167

April 05, 2019, 02:07:09 PM
by Admin

Do u need a union with gas tight ??

Started by wantboost

Replies: 5
Views: 8,644

March 28, 2019, 02:06:18 PM
by walker