Technical Information

Orphaned hot water tanks

Started by Hgye

Replies: 2
Views: 6,588

October 15, 2016, 10:03:21 AM
by Admin

union in drop ceiling?

Started by howitt

Replies: 2
Views: 6,478

September 20, 2016, 04:16:50 PM
by Admin

Condensate Drains - PVC vs CPVC

Started by Shane

Replies: 2
Views: 10,241

September 14, 2016, 06:26:57 PM
by Porcupinepuffer

Montigo Fireplace

Started by G.P.

Replies: 4
Views: 9,933

September 11, 2016, 06:16:57 PM
by Stubbers

Sensing Bulb Placement Question

Started by Porcupinepuffer

Replies: 5
Views: 9,679

August 16, 2016, 04:13:37 PM
by harshal

writing a pressure gas test

Started by moenaboulsi

Replies: 5
Views: 21,077

August 11, 2016, 12:57:45 PM
by simon

Dryer vent in condos in Ontario, Canada?

Started by baconpotatos

Replies: 3
Views: 12,780

August 10, 2016, 09:26:57 AM
by Admin

Matching uncased coil for a Carrier 24aca418a0030010

Started by ATech

Replies: 6
Views: 7,522

August 02, 2016, 07:48:25 PM
by walker

High pressure leak

Started by Porcupinepuffer

Replies: 3
Views: 5,910

August 02, 2016, 01:18:30 PM
by Admin

Keeprite c9mvx100l20a

Started by walker

Replies: 7
Views: 7,896

July 31, 2016, 07:32:19 PM
by piru

Thermostat

Started by Hgye

Replies: 2
Views: 5,799

July 18, 2016, 07:11:06 PM
by Hgye

EE eng. advice pls on furnace blower OEM replacement

Started by Steve_S

Replies: 2
Views: 5,772

July 18, 2016, 05:02:17 PM
by slo-115

outdoor shut off valve

Started by harshal

Replies: 1
Views: 5,887

July 14, 2016, 10:43:21 AM
by bster352

Peaksaver

Started by walker

Replies: 4
Views: 6,453

June 27, 2016, 04:43:23 PM
by Admin

wiring an hrv for low speed with furnace fan

Started by oldguy2

Replies: 2
Views: 8,482

June 14, 2016, 05:10:42 PM
by oldguy2

Clause 6.12.2 - 1" Unthreaded Pipe Inspection Rejections

Started by Admin

Replies: 3
Views: 7,971

May 25, 2016, 09:51:16 PM
by Attavior

Can a 313D wire the furnace without TSSA certification?

Started by Admin

Replies: 0
Views: 5,621

May 20, 2016, 02:28:18 PM
by Admin

Exam Content

Started by kaos

Replies: 2
Views: 6,249

May 05, 2016, 05:37:58 PM
by rmuntz

Crack Heat Exchanger in Roof Top Unit

Started by Mechanical Contractor

Replies: 2
Views: 8,116

April 27, 2016, 07:58:30 AM
by Mechanical Contractor

Double wrapping gas pipe into building

Started by Hgye

Replies: 5
Views: 13,070

March 03, 2016, 12:47:35 PM
by Admin

laundry rooms

Started by robstar

Replies: 1
Views: 6,085

February 11, 2016, 12:37:15 PM
by Admin

Updates for gas code B149.1-10?

Started by Tod

Replies: 1
Views: 6,415

January 11, 2016, 10:47:17 AM
by Admin

B149.1-15

Started by viking

Replies: 7
Views: 10,329

January 03, 2016, 04:50:09 AM
by Admin

Residential duct humidifiers and Saddle Valves

Started by preetnep

Replies: 8
Views: 8,620

December 26, 2015, 11:06:31 AM
by Admin

AC question

Started by nash668

Replies: 3
Views: 6,749

December 17, 2015, 09:07:28 AM
by Admin

New Enbridge Residential Construction Heat Policy - Effective Jan 1, 2016

Started by Admin

Replies: 0
Views: 5,940

December 11, 2015, 09:33:19 AM
by Admin

Pressure Testing Shut Off Valves

Started by Admin

Replies: 5
Views: 8,598

December 10, 2015, 04:14:07 PM
by Admin

410a ODP requirements

Started by Admin

Replies: 0
Views: 5,608

December 08, 2015, 08:32:55 AM
by Admin

Franklin Gas Hose Recall

Started by Admin

Replies: 0
Views: 5,488

December 02, 2015, 11:24:00 AM
by Admin

Multi-Agency Effort Shuts Down Manufacturer/Distributor of Gas Ovens

Started by Admin

Replies: 0
Views: 8,739

December 02, 2015, 11:17:11 AM
by Admin

Exterior B Vent

Started by scarey8

Replies: 2
Views: 7,143

November 28, 2015, 06:57:24 PM
by Attavior

Garage Unit Heater

Started by Mitchell

Replies: 5
Views: 8,790

November 21, 2015, 03:44:25 PM
by viking

Condensing unit question

Started by preetnep

Replies: 3
Views: 6,388

November 19, 2015, 08:53:26 AM
by Admin

mechanic ratios

Started by BiggerDIRTY

Replies: 1
Views: 5,895

October 24, 2015, 06:01:49 PM
by Admin

Ontario Building Code 2014

Started by enzof

Replies: 6
Views: 18,533

September 28, 2015, 07:43:52 AM
by Porcupinepuffer

Oil Burning Equipment Codebook

Started by Porcupinepuffer

Replies: 3
Views: 6,770

September 02, 2015, 07:25:09 PM
by walker

Water Heater Installations in Ottawa - Spectral Response Acceleration

Started by Admin

Replies: 0
Views: 6,474

August 13, 2015, 10:55:27 AM
by Admin

2014 Copeland Compressors and TXV problems

Started by Admin

Replies: 5
Views: 10,333

August 12, 2015, 06:14:59 PM
by Porcupinepuffer

Enbridge Inspection: B-Warning Tags Replacing Rejects for Non-Immediate Hazards

Started by Admin

Replies: 2
Views: 6,754

August 02, 2015, 08:50:52 PM
by Admin

Piston Orifice Sizing

Started by walker

Replies: 6
Views: 12,191

August 02, 2015, 06:46:22 PM
by walker

Gastite (CSST) Bonding Requirements

Started by Admin

Replies: 12
Views: 24,097

May 29, 2015, 05:00:59 PM
by Admin

Certification Requirements for BBQ Assemblers

Started by Admin

Replies: 2
Views: 9,272

May 17, 2015, 01:48:17 PM
by Porcupinepuffer

Wiring protection - ESA Rule 12-518 & 26-802

Started by Admin

Replies: 8
Views: 14,549

April 23, 2015, 09:57:25 AM
by walker

HEAT GAIN/LOSS PROGRAMS??

Started by reidmechanical

Replies: 0
Views: 5,242

April 22, 2015, 11:53:31 AM
by reidmechanical

A/C Electrical Question

Started by Porcupinepuffer

Replies: 5
Views: 12,855

April 19, 2015, 01:26:31 PM
by Porcupinepuffer

Looking For A Manual

Started by viking

Replies: 2
Views: 6,121

April 08, 2015, 01:47:46 PM
by viking

Olsen Direct Vent Oil Furnaces Recall

Started by Admin

Replies: 1
Views: 5,894

February 21, 2015, 03:18:43 PM
by slo-115

Wolf Steel Recalls Napoleon Propane Gas Fireplaces Due to Laceration Hazard

Started by Admin

Replies: 0
Views: 5,256

February 16, 2015, 10:17:57 AM
by Admin

White-Rodgers Programmable Digital Thermostats (Models 1F88 & 1F85RF) Recall

Started by Admin

Replies: 0
Views: 5,245

February 16, 2015, 10:08:50 AM
by Admin

U.S.Boiler Recalls Home Heating Boilers Due to Carbon Monoxide Hazard

Started by Admin

Replies: 0
Views: 5,060

February 16, 2015, 10:03:07 AM
by Admin

Skyline Marquis Propane Gas Fireplaces by Kingsman Fireplaces Recall

Started by Admin

Replies: 0
Views: 5,147

February 16, 2015, 09:53:21 AM
by Admin

New Yorker Boiler Recalls Home Heating Boilers Due to Carbon Monoxide Hazard

Started by Admin

Replies: 0
Views: 5,637

February 16, 2015, 09:38:40 AM
by Admin

Jotul and Scan Gas Fireplace Inserts Recall

Started by Admin

Replies: 0
Views: 5,263

February 16, 2015, 09:29:03 AM
by Admin

Hussong Manufacturing and American Flame Recall Due to Explosion Hazard

Started by Admin

Replies: 0
Views: 5,128

February 16, 2015, 09:10:16 AM
by Admin

Hearth & Home Technologies Recalls Due to Risk of Gas Leak and Fire Hazard

Started by Admin

Replies: 0
Views: 5,141

February 16, 2015, 08:43:45 AM
by Admin

Coleman, Coleman Evcon and Red T brand furnace recall

Started by Admin

Replies: 0
Views: 5,012

February 16, 2015, 08:35:25 AM
by Admin

Brazing Copper Gas Line

Started by HarrisHeating

Replies: 2
Views: 8,574

February 10, 2015, 08:07:17 AM
by Porcupinepuffer

Is anyone Red Seal certified in Gas?

Started by Borussien

Replies: 1
Views: 7,793

February 10, 2015, 06:06:12 AM
by Admin

CO in New Construction

Started by Admin

Replies: 4
Views: 8,300

January 27, 2015, 07:58:55 PM
by Admin

Programmable Thermostats - Setback Misconceptions

Started by Admin

Replies: 1
Views: 8,635

December 29, 2014, 12:15:09 PM
by Admin

Rainier Bratsch-Blundell

Started by howitt

Replies: 0
Views: 5,116

December 27, 2014, 04:33:24 PM
by howitt

manual for Bryant Plus 80

Started by lovebc2

Replies: 1
Views: 7,011

December 21, 2014, 08:13:26 PM
by Admin

Underground Kits -- Tracer Wire

Started by Attavior

Replies: 6
Views: 9,345

December 14, 2014, 11:32:46 AM
by Porcupinepuffer

Daesung Celtic Enersys recalls tankless gas water heaters

Started by Admin

Replies: 0
Views: 5,035

November 25, 2014, 11:40:09 AM
by Admin

Venmar Ventilation Inc. expands recall of air exchangers

Started by Admin

Replies: 0
Views: 3,903

November 25, 2014, 11:32:07 AM
by Admin

Condensate Line - Not properly Drained

Started by Attavior

Replies: 3
Views: 5,130

October 26, 2014, 10:04:18 AM
by Attavior

CSST Bonding red tag.

Started by danv

Replies: 2
Views: 5,668

October 23, 2014, 06:59:17 PM
by danv

Giant Inc. recalls Giant and Best Canadian hot water heaters

Started by Admin

Replies: 0
Views: 3,955

October 23, 2014, 07:52:18 AM
by Admin

Franklin Recalls Hardwall Fuel Curb Hose Due to Fire and Explosion Hazard

Started by Admin

Replies: 0
Views: 3,703

October 23, 2014, 07:50:52 AM
by Admin

Goodman gmv

Started by Bills mech

Replies: 4
Views: 8,600

October 20, 2014, 05:00:21 PM
by walker

Gastite Bonding Technical Bulletin #TB2014-01

Started by Admin

Replies: 2
Views: 8,031

October 13, 2014, 05:52:02 PM
by Admin

John Wood recalls fifty-gallon propane fueled residential water heaters

Started by Admin

Replies: 0
Views: 3,779

September 29, 2014, 09:26:32 PM
by Admin

Kidde Recalls Residential Smoke Alarms and Combination Smoke/CO Alarms

Started by Admin

Replies: 0
Views: 3,696

September 29, 2014, 09:10:38 PM
by Admin

Lennox conversion kit

Started by Hgye

Replies: 3
Views: 5,818

July 29, 2014, 07:25:18 AM
by Admin

Rheem RTGH-95DV pancake termination

Started by Admin

Replies: 1
Views: 5,477

July 11, 2014, 10:31:30 AM
by Admin

CSST - Outdoor Fittings - Silicone Tape Requirement

Started by Admin

Replies: 3
Views: 7,387

July 03, 2014, 10:10:19 AM
by Porcupinepuffer

Weil-McLain recalls Ultra Series Gas Boilers

Started by Admin

Replies: 0
Views: 3,603

June 11, 2014, 07:28:36 PM
by Admin

Nest Recalls Smoke & CO Alarms

Started by Admin

Replies: 0
Views: 3,419

May 26, 2014, 08:49:07 AM
by Admin

Goodman gsz

Started by Bob Hubbard

Replies: 1
Views: 4,032

May 18, 2014, 09:03:50 AM
by Bob Hubbard

Enbridge Safety Notice - Service Valve Operating Procedure

Started by Admin

Replies: 0
Views: 3,638

May 15, 2014, 04:17:52 PM
by Admin

SEER rating

Started by EvilMonkey

Replies: 3
Views: 5,662

May 14, 2014, 08:57:08 AM
by Admin

WhiteRodgers Recalls Thermostats Due to Fire Hazard Created by Leaking Batteries

Started by Admin

Replies: 0
Views: 4,141

May 02, 2014, 07:55:03 AM
by Admin

Honeywell Prestige IAQ

Started by scarey8

Replies: 0
Views: 4,906

April 30, 2014, 09:40:16 AM
by scarey8

Grounding and Bonding

Started by etobicoke

Replies: 2
Views: 4,918

April 19, 2014, 02:03:00 PM
by etobicoke

Forged vs Milled Flare Fittings

Started by Admin

Replies: 5
Views: 16,125

April 09, 2014, 02:24:36 PM
by Porcupinepuffer

Red Tag Question - Clause 7.26.1

Started by walker

Replies: 3
Views: 10,723

April 07, 2014, 02:44:34 PM
by bster352

Enbridge Bulletins

Started by Admin

Replies: 0
Views: 3,710

April 05, 2014, 09:32:43 AM
by Admin

Enbridge Builder Bulletin - Gas Piping in Garages

Started by Admin

Replies: 0
Views: 3,764

April 04, 2014, 03:14:35 PM
by Admin

TSSA Safety Blog - A New Way to Connect

Started by Admin

Replies: 0
Views: 4,244

March 31, 2014, 01:58:14 PM
by Admin

A question about c vent connector to water tank

Started by hmmbm

Replies: 2
Views: 4,390

March 31, 2014, 03:04:35 AM
by hmmbm

Return Air Confusion

Started by Admin

Replies: 0
Views: 4,392

March 19, 2014, 08:27:25 AM
by Admin

Outdoor Air Intake / Fresh-Air Confusion

Started by Admin

Replies: 0
Views: 3,812

March 19, 2014, 08:02:56 AM
by Admin

Confusion about copper branch lines

Started by Porcupinepuffer

Replies: 5
Views: 7,612

March 12, 2014, 05:13:41 PM
by Admin

Installing a Gas Dryer

Started by Peter76

Replies: 1
Views: 4,285

March 07, 2014, 06:13:46 AM
by Admin

B149.2-10 - Propane storage and handling code

Started by Vtlegend

Replies: 0
Views: 5,694

January 16, 2014, 06:07:23 AM
by Vtlegend

universal pressure switch ns2

Started by oldguy2

Replies: 3
Views: 6,978

January 11, 2014, 10:11:58 AM
by Admin

LPG regulator vent termination point

Started by hottubbrad

Replies: 1
Views: 6,055

December 10, 2013, 01:26:42 PM
by Admin

Thermopump runs while furnace is on

Started by carlom

Replies: 1
Views: 3,973

November 28, 2013, 05:43:18 PM
by Admin

TSSA and unit heater venting.

Started by Niagcool

Replies: 10
Views: 30,769

November 20, 2013, 09:03:56 PM
by Ted Mosby

Copper water lines into water tank

Started by walker

Replies: 11
Views: 9,191

November 19, 2013, 07:44:48 PM
by walker

Flue Gas Analyser Test Port

Started by walker

Replies: 1
Views: 5,816

November 07, 2013, 04:03:33 PM
by Admin

Piping Tables

Started by 3450BB

Replies: 2
Views: 4,950

November 01, 2013, 06:19:25 PM
by 3450BB

Testing for co on a boiler with an integral draught hood

Started by Tod

Replies: 3
Views: 4,743

October 24, 2013, 08:01:43 AM
by Admin

fair wage to excpect/ask for

Started by mattmctree

Replies: 3
Views: 4,914

October 22, 2013, 07:12:07 PM
by harshal

Boiler service tags

Started by Tod

Replies: 3
Views: 6,865

October 18, 2013, 06:16:04 PM
by Admin

High Carbon Monoxide

Started by walker

Replies: 6
Views: 6,235

September 25, 2013, 07:54:46 PM
by harshal

Direct vent considerations

Started by Yacko

Replies: 7
Views: 7,389

September 22, 2013, 03:42:01 PM
by Admin

PTCR installed on Condensing Unit

Started by scarey8

Replies: 1
Views: 8,136

August 28, 2013, 05:54:31 AM
by Admin

Trane CleanEffects Recall - Updated

Started by Admin

Replies: 2
Views: 16,180

August 08, 2013, 07:42:01 AM
by Admin

Lennox Recalls Fireplaces Due to Risk of Gas Leak and Fire Hazard

Started by Admin

Replies: 0
Views: 4,112

August 07, 2013, 10:37:33 AM
by Admin

proper gas tight bonding procedure??????????

Started by plott hound

Replies: 4
Views: 5,797

August 03, 2013, 05:57:17 AM
by plott hound

cost for getting contractors number and insurance

Started by mattmctree

Replies: 2
Views: 4,510

August 01, 2013, 08:26:38 PM
by 99blacksi

Use of dyes

Started by walker

Replies: 7
Views: 7,407

July 25, 2013, 05:27:09 AM
by Admin

troubleshooting with guages

Started by mattmctree

Replies: 5
Views: 5,958

July 22, 2013, 03:02:58 PM
by 99blacksi

Leaking evaporator coils (r410a)

Started by JOE RHILEY

Replies: 2
Views: 5,777

July 22, 2013, 02:43:11 PM
by Admin

GE Circuit Breaker for Powermark Panel

Started by walker

Replies: 3
Views: 4,739

June 22, 2013, 02:37:57 PM
by walker

is poe oil mist dangerous when inhaled/

Started by mattmctree

Replies: 5
Views: 8,231

June 21, 2013, 04:56:14 PM
by mattmctree

Stainless Steel gas pipe, Gastite, Trac-pipe etc.

Started by Tod

Replies: 1
Views: 5,646

June 03, 2013, 06:27:10 PM
by Admin

PEAK SAVER WIRING DIAGRAM

Started by JOE RHILEY

Replies: 2
Views: 5,422

May 23, 2013, 12:40:59 PM
by Admin

Dirt Pockets and placement

Started by scarey8

Replies: 1
Views: 13,528

May 01, 2013, 10:48:37 PM
by Admin

GAS RANGE CODE QUESTION

Started by scarey8

Replies: 1
Views: 12,166

April 17, 2013, 09:11:33 PM
by Admin

Twinning PTAC units

Started by scarey8

Replies: 4
Views: 6,789

April 17, 2013, 07:41:21 PM
by scarey8

Enbridge Bulletins - Meter Connections to Flexible Supply Piping & Pipe Sizing

Started by Admin

Replies: 0
Views: 3,908

April 10, 2013, 07:03:09 AM
by Admin

Identifying gas flow direction?

Started by Hgye

Replies: 2
Views: 5,155

March 29, 2013, 08:59:11 AM
by Hgye

How to calculate duct size?

Started by blati

Replies: 0
Views: 4,388

March 15, 2013, 10:11:18 AM
by blati

B149.1-10 Gas Code with Update No 1 & FS-200-12 Amendments & Review

Started by Down Under X

Replies: 2
Views: 40,514

March 11, 2013, 02:09:25 PM
by Down Under X

Clearance from dryer vent to combustion air intake

Started by max

Replies: 2
Views: 15,869

March 07, 2013, 06:15:31 PM
by Admin

Carrier Service Bulletin SMB13-0004 - 90% Furnace Collector Box Leaks

Started by Admin

Replies: 0
Views: 6,992

February 27, 2013, 08:05:56 AM
by Admin

What does nested mean in the code book?

Started by etobicoke

Replies: 2
Views: 11,716

February 22, 2013, 01:15:05 PM
by etobicoke

Isolation Ward and Airlock Room CFM

Started by nago

Replies: 2
Views: 7,005

February 21, 2013, 11:59:15 PM
by Rustymike

Heat pump range

Started by EvilMonkey

Replies: 2
Views: 4,745

February 07, 2013, 10:29:25 PM
by EvilMonkey

Carrier HRVXXLHB HRV - Leaking water

Started by Admin

Replies: 0
Views: 4,573

January 31, 2013, 11:05:14 AM
by Admin

Gas Range and Venting

Started by G.P.

Replies: 3
Views: 5,163

December 06, 2012, 06:12:37 PM
by Admin

Changes to Oil tank install/requirements

Started by scarey8

Replies: 2
Views: 5,668

November 20, 2012, 08:31:27 AM
by Admin

Fireplaces and Inserts Recalled by Monessen Hearth Systems Due to Risk of Fire

Started by Admin

Replies: 0
Views: 3,786

November 15, 2012, 08:57:12 AM
by Admin

Vent Free Gas Fireplace & Bonding

Started by oldguy2

Replies: 4
Views: 7,621

November 10, 2012, 12:33:46 PM
by Admin

Clearance To Combustibles - Gas Ranges

Started by Admin

Replies: 1
Views: 18,621

November 10, 2012, 12:31:03 PM
by Admin

Test tag for water heater

Started by hwh

Replies: 1
Views: 9,394

October 28, 2012, 01:22:55 AM
by Admin

Code question regarding air supply

Started by livinisfishing

Replies: 4
Views: 12,197

October 19, 2012, 09:12:52 AM
by Admin

Tarion Construction Performance Guidelines

Started by Admin

Replies: 0
Views: 4,011

October 16, 2012, 09:29:35 AM
by Admin

pumping down a ac unit for relocation

Started by mattmctree

Replies: 3
Views: 5,546

October 10, 2012, 07:49:15 PM
by mattmctree

Galvanized fittings with black iron

Started by harshal

Replies: 1
Views: 4,665

October 05, 2012, 06:51:15 AM
by Admin

Resi gas meter specifications

Started by harshal

Replies: 1
Views: 4,888

September 21, 2012, 06:05:32 PM
by Admin

Tankless water heater clearance to hydro panel?

Started by harshal

Replies: 1
Views: 8,367

August 19, 2012, 05:20:41 PM
by Admin

Economizers 101

Started by scarey8

Replies: 2
Views: 8,084

June 28, 2012, 06:28:14 AM
by rmuntz

Propane handling for puplic

Started by Amy2012

Replies: 1
Views: 5,024

June 10, 2012, 09:15:17 AM
by Admin

Purging Assembly & Purging Procedure

Started by Admin

Replies: 0
Views: 8,415

February 21, 2012, 06:26:17 PM
by Admin

Bonding CSST and new customers

Started by G.P.

Replies: 1
Views: 6,393

February 13, 2012, 09:47:41 AM
by Admin

Elevator Room Ventilation Notes for HVAC

Started by Rustymike

Replies: 0
Views: 7,341

January 02, 2012, 08:22:13 PM
by Rustymike

Outdoor Air Supply Confusion

Started by Admin

Replies: 0
Views: 6,589

December 23, 2011, 02:44:47 PM
by Admin

HRV / ERV – Common Misconceptions

Started by Admin

Replies: 0
Views: 10,332

August 19, 2011, 11:08:42 AM
by Admin

Navien installation manual & factory settings are wrong.

Started by Admin

Replies: 4
Views: 12,114

May 04, 2011, 10:26:51 AM
by Admin

direct vent versus hoyme

Started by qualistat

Replies: 1
Views: 7,044

April 01, 2011, 11:22:16 AM
by Admin

Secondary Heat exchanger test

Started by raptorman

Replies: 10
Views: 21,954

February 06, 2011, 09:38:07 AM
by Admin

Furnace Cleaning and Flue Gas Analysis

Started by 612Rob

Replies: 2
Views: 7,362

February 02, 2011, 11:15:04 AM
by 612Rob

Energy Conservation

Started by rmuntz

Replies: 0
Views: 5,285

January 18, 2011, 03:54:44 PM
by rmuntz

Vent Free / Ventless Gas-fired Water Heater

Started by PaulR

Replies: 2
Views: 6,556

December 24, 2010, 07:40:56 AM
by PaulR

Carrier Heat Exchanger Test - SMB 09-0022

Started by Admin

Replies: 0
Views: 12,885

December 09, 2010, 04:36:53 PM
by Admin

Distance Dryer Vent should be from Service Regulator confusion

Started by stuspick

Replies: 3
Views: 17,631

November 09, 2010, 11:47:51 AM
by Admin

Tankless water heaters

Started by ozie55

Replies: 1
Views: 6,973

October 21, 2010, 10:09:35 PM
by Admin

Economizers - Settings and basic sequences of operations

Started by Skyline_GT

Replies: 1
Views: 6,981

September 24, 2010, 06:15:37 PM
by Admin

B149.1-10 Natural gas and propane installation code

Started by Admin

Replies: 2
Views: 31,278

August 18, 2010, 09:34:41 PM
by Admin

A/C's & TSSA - Temperature Rise Concerns

Started by Admin

Replies: 0
Views: 6,200

August 14, 2010, 11:18:18 AM
by Admin

CSA B149 Gas Code; Table 5.2 2010 Edition

Started by jako

Replies: 2
Views: 9,897

August 02, 2010, 08:24:38 PM
by Admin

CAN/CSA-B149.1-05 Gas Code Trumps Electrical Code of Canada Part I

Started by Admin

Replies: 1
Views: 7,835

July 25, 2010, 05:54:53 PM
by Admin

Director order - Boiler yearly inspection

Started by B18aboost

Replies: 2
Views: 6,955

July 03, 2010, 11:55:02 AM
by B18aboost

hi-eff furnace combustion air ?

Started by dmfv

Replies: 3
Views: 8,979

March 31, 2010, 07:47:54 PM
by dmfv

refrigerants performance?

Started by gert08

Replies: 0
Views: 5,867

March 19, 2010, 11:29:27 PM
by gert08

How To Read A Locate Form

Started by Admin

Replies: 0
Views: 5,599

March 14, 2010, 10:54:06 AM
by Admin

Indoor Air Quality Guide

Started by Admin

Replies: 0
Views: 5,867

March 14, 2010, 10:43:41 AM
by Admin

Fuel Industry Provincial Authority - Links

Started by Admin

Replies: 0
Views: 6,131

February 20, 2010, 12:42:17 PM
by Admin

10th China International Heating, Ventilation and Air-conditioning Expo (CIHE &

Started by Luisayu

Replies: 0
Views: 6,212

January 26, 2010, 02:30:45 AM
by Luisayu

Goodman GMVC95 Furnaces - Communicating Furnace

Started by Admin

Replies: 1
Views: 9,023

January 24, 2010, 03:59:43 PM
by PeterT

Mid Efficiency Furnace Phase Out in Canada

Started by Admin

Replies: 0
Views: 13,545

January 07, 2010, 01:58:48 PM
by Admin

Programmable Thermostats Losing Energy Star Rating - Effective Dec. 31, 2009

Started by Admin

Replies: 0
Views: 7,436

January 07, 2010, 01:49:33 PM
by Admin

Recall issued for vent-free fireplaces sold in Ottawa area

Started by Admin

Replies: 0
Views: 5,756

December 23, 2009, 06:53:26 PM
by Admin

Labour Mobility

Started by Admin

Replies: 0
Views: 7,526

December 19, 2009, 05:44:04 PM
by Admin

Unit heater in stairwell ??? Ontario

Started by wings

Replies: 1
Views: 7,114

October 28, 2009, 07:05:15 AM
by Admin

R410A Operating Costs

Started by scarey8

Replies: 1
Views: 6,379

September 22, 2009, 08:09:28 PM
by Admin

Bonding

Started by Admin

Replies: 5
Views: 22,148

August 20, 2009, 04:51:42 PM
by Admin

Aspen vs AHRI - The SEER Battle

Started by Admin

Replies: 0
Views: 6,042

July 06, 2009, 03:47:28 PM
by Admin

Armstrong

Started by Zzz

Replies: 12
Views: 12,954

June 26, 2009, 09:09:09 PM
by johnt2_2002

Goodman AC Suction Valve Problems

Started by hazzmatt

Replies: 2
Views: 7,718

May 16, 2009, 04:56:51 PM
by scarey8

Rinnai Tankless and York Furnace

Started by johnt2_2002

Replies: 1
Views: 6,352

May 11, 2009, 04:11:27 PM
by Admin

HVAC-World

Started by Admin

Replies: 0
Views: 6,112

May 09, 2009, 03:06:24 PM
by Admin

Acadia - Heat Pumps For Cold Climates

Started by Admin

Replies: 0
Views: 6,394

March 11, 2009, 05:15:59 PM
by Admin

Question about Bubble/Dew Points

Started by gfgordon

Replies: 5
Views: 68,998

February 28, 2009, 03:52:04 PM
by Admin

Venting - Common Vents

Started by Zzz

Replies: 2
Views: 10,477

January 23, 2009, 09:25:42 PM
by Zzz

variable speed motors

Started by Zzz

Replies: 13
Views: 16,278

January 23, 2009, 09:20:12 PM
by Zzz

R22 - R410A Heat Pump Change out.

Started by jodem

Replies: 4
Views: 9,867

January 22, 2009, 10:51:06 PM
by Zzz

Global Warming Potential vs Ozone Depletion Potential

Started by Admin

Replies: 2
Views: 29,416

January 15, 2009, 10:38:09 PM
by Zzz

high efficent furnaces

Started by Zzz

Replies: 1
Views: 6,905

December 22, 2008, 04:45:49 PM
by Admin

How can I calculate temperature recovery time in cooling mode?

Started by lchandna

Replies: 0
Views: 5,887

December 12, 2008, 11:56:48 AM
by lchandna

Ohms for blower fan motors

Started by Skyline_GT

Replies: 2
Views: 10,342

November 19, 2008, 09:33:09 PM
by Skyline_GT

Installing a Carrier Infinity Heat Pump with long lines.

Started by w2jo

Replies: 1
Views: 6,535

November 03, 2008, 07:55:26 PM
by Admin

Refrigerations question about brazing

Started by Skyline_GT

Replies: 1
Views: 6,439

November 03, 2008, 04:36:53 PM
by rmuntz

Vibration/Bryant 2-speed 698BNX

Started by wollitz77

Replies: 1
Views: 7,544

August 05, 2008, 03:36:47 PM
by Admin

Heat Exchangers & TSSA

Started by Admin

Replies: 4
Views: 17,373

July 29, 2008, 05:21:48 PM
by Admin

Arc flash training

Started by rmuntz

Replies: 1
Views: 6,492

July 29, 2008, 03:28:58 PM
by TECH X

ohms

Started by Billy

Replies: 2
Views: 7,107

March 19, 2008, 05:17:28 PM
by TECH X