- Floor or ceiling register placement advice (13 replies)
- HVAC freeze up (2 replies)
- direct vent? (5 replies)
- Gas furnace (5 replies)
- Heat Pump Question (7 replies)
- PROPANE TANK COPPER PIPE TO HOUSE (8 replies)
- attic furnace flex pipe and exhaust stack (3 replies)
- Zoned system (5 replies)
- Heat Pump temp defferntial (7 replies)
- Rinnai wall furnace recall (1 replies)
- HVAC Inspection Books ? (0 replies)
- Single wall or B Vent? (10 replies)
- 95% Eff Furnace Draws Combustion Air From Inside (13 replies)
- HE Flue Venting (1 replies)
- wall padding? / what is this? (3 replies)
- Goodman quietflex duct defect (9 replies)
- CSST required at gas applicances (10 replies)
- Wood fired hot water system (8 replies)
- Electric Furnace Duct Sensor? (5 replies)
- No Info on unit. (10 replies)
- Help Please (7 replies)
- Dayton furnace age? (3 replies)
- boiler age? (10 replies)
- Buried oil tank? (14 replies)
- Breaks in Duct Chase (2 replies)
- Carbon Monoxide / Gas Furnace (9 replies)
- Dual-Fuel heating - Fuel Oil & Wood (2 replies)
- furnace will not shut off (20 replies)
- Range hood vents to attached garage (10 replies)
- Dark areas of carpet (13 replies)
- ICC Energy (0 replies)
- Water Heater in bathroom closet (4 replies)
- Air Conditioning and Moisture (3 replies)
- Vent Pipe contacting Gas Pipe (10 replies)
- Looking for an article from a trade journal (8 replies)
- Problems with B-Vent piping (6 replies)
- Age of compressor (7 replies)
- HEATWAY TUBING--BETTER KNOWN AS ENTRAN II (3 replies)
- Refrigerant line protection at studs and top plates (3 replies)
- Any guestimate the age of this one. (2 replies)
- mis matched condenser & handler (13 replies)
- TREC SOPS AC Inspection at 60 F. (26 replies)
- Condensate Drain to Indirect Receptor (5 replies)
- I finally got the call!!!! (16 replies)
- Gas pipe beneath door threshold... (19 replies)
- Online Access to NFPA 54: National Fuel Gas Code, 2006 edition (1 replies)
- HVAC in Kitchen (17 replies)
- Garage air handlers (8 replies)
- Single wall pipe to b-vent vent question (5 replies)
- Programmable thermostats and condensation problems (1 replies)
- rats chew drain line to furnace (3 replies)
- Sometimes it pays to look inside the disconnect (12 replies)
- Furnace combustion air venting (1 replies)
- Secondary Condensate Drain line (7 replies)
- Wrong furnace flue instalaltion? (15 replies)
- B-vent chimney (3 replies)
- No condensate drain tray... (4 replies)
- concrete fan housing support (5 replies)
- Whole House Fans and High efficiency Furnace (7 replies)
- Who;e Hpuse Fans and High efficiency Furnace (2 replies)
- Furnace clearance from rear closet wall (3 replies)
- Secondary A/C drain line (4 replies)
- A/C Fins (13 replies)
- Dangerous furnace (0 replies)
- With a little help from friends What This! (12 replies)
- Lightning rods on condenser units (4 replies)
- Venting questions (10 replies)
- Sidewall Vent Termination (4 replies)
- Two units on one thermostat (4 replies)
- Air duct interface with slab (5 replies)
- Combustion air vent (2 replies)
- Venting Issues (6 replies)
- What is this? (10 replies)
- Furnace questions (12 replies)
- Furnace combustion air vent (18 replies)
- Single wall vent into attic (2 replies)
- confusing thermostat (6 replies)
- return in condo laundry (12 replies)
- Burnt Thermostat Wiring (21 replies)
- Air Conditioners and Heat Pumps Recalled by Carrier Due to Fire Hazard (0 replies)
- Help with manufacture date information (4 replies)
- Support for A/C (16 replies)
- HVAC Adequacy ? (3 replies)
- AC Drain New Construction (6 replies)
- HVAC EXPERT WITNESS NEEDED (8 replies)
- Preston's Where are they now? (1 replies)
- Combustion Air and Ventilation Openings (9 replies)
- AC SEER (10 replies)
- A/C and Dryer Location (2 replies)
- mystery liquid from liner (1 replies)
- Electrical cables on top of A/C (5 replies)
- Return Vent over Tubs? (4 replies)
- What would cause thgis type of damage? (5 replies)
- Thermostat Location ? (5 replies)
- Flex Air Duct allowed? (11 replies)
- Clothes Dryer Outlet/Sock (5 replies)
- Viallant Boiler age (3 replies)
- Different sized furnace vent pipe segments (8 replies)
- "Insider" indoor heat pump (10 replies)
- Tight seal on Flex Duct ... Not !! (0 replies)
- Leftover or for future maintenance ?? (2 replies)
- Scorching around freon lines... (5 replies)
- Foam Monster (6 replies)
- Gurgling Condensate drain (2 replies)
- Age Help (5 replies)
- How many supply vent and registers? (9 replies)
- Dryer vent roof jack (5 replies)
- Electric furnace disconnect switch (3 replies)
- Condensate switch (22 replies)
- Plastic power vent to metal vent at brick chimney (24 replies)
- furnace vent (1 replies)
- Heat duct in garage (5 replies)
- 3.5 ton for 2100sf house (10 replies)
- East TN installation (5 replies)
- Could not locate dryer vent termination (9 replies)
- Gas Drip. (6 replies)
- strange furnace install (2 replies)
- filters: pleated vs. brillo pads (21 replies)
- Wood supports, electric furnace (0 replies)
- Info on Rheem REAB 1415 J (4 replies)
- Help dating Singer AC unit (11 replies)
- AC return in kitchen (13 replies)
- Armstrong Furnace Age & Damage (7 replies)
- Is this a 3-ton System? (7 replies)
- Do Cat IV furnaces require a direct vent intake? (4 replies)
- Updraft furnaces (9 replies)
- Fancy new AC condensate removal method... (1 replies)
- Arrggggh (4 replies)
- Central A/cC Unit & Gas Water Heater Same Closet? (13 replies)
- AC unit age (2 replies)
- Lennox Hot Water Boiler Age? (7 replies)
- gas pressure regulator locations (6 replies)
- A/C Unit (10 replies)
- CAT IV Termonology (8 replies)
- Condensate drain diagram (24 replies)
- Here we go again... (1 replies)
- AC Condensate drain - related question (2 replies)
- AC condensate drains and condensing furnaces (Whey? Yet again?) (7 replies)
- Sweating Plenum (9 replies)
- A/C Service Disconnect (19 replies)
- You Are Getting Sleepy. VERY SLEEPY! (6 replies)
- Who can spot the cheese? (11 replies)
- What do manufactures say: #2 (5 replies)
- Elbow support requirement (2 replies)
- church HE and vent (2 replies)
- Clearance for an air conditioner (7 replies)
- what does manufacturers say? (12 replies)
- Combustion Air Source and Cat IV Efficiency (5 replies)
- Age Help (3 replies)
- Gas Appliances in Bathrooms and toilet rooms (17 replies)
- Am I just being too picky? (14 replies)
- HVAC return air (2 replies)
- Possible Dispute with HVAC tech (28 replies)
- Chillers (3 replies)
- Unusual vent size and insulation (3 replies)
- Age of Fedders Corp Furnace??? (1 replies)
- Cold air return (9 replies)
- Combustion Air? (6 replies)
- Stange vent (1 replies)
- Flue in return air. (1 replies)
- Heat source or Not (3 replies)
- Galvanized Pipes on Hot Water Heating Systems (3 replies)
- Help out AC unit (3 replies)
- serial # (0 replies)
- Miller mobile home furnace dating (0 replies)
- Help with size of unit (9 replies)
- Vent clearances (4 replies)
- testing AC float-switch (8 replies)
- Flu blowing on gas union (7 replies)
- Suicide Vent (6 replies)
- Unusual Air and Noise from Bath Sink - AC primary drain (25 replies)
- Furnace Age (2 replies)
- Type B vent pipe strapping (2 replies)
- the week for strange (2 replies)
- where all the vent pipes are above average (8 replies)
- Rust inside 2004 furnace (10 replies)
- SIngle wall? (2 replies)
- Bitchy Builder - air ducts (16 replies)
- Whoopsie (19 replies)
- Combustion Air in Crawl Space (18 replies)
- Scary looking vent pipe. (3 replies)
- A/C Evap Drain Piping Trap (10 replies)
- Primary drain line (5 replies)
- Scientific Atlanta DCU-S2100 Control (3 replies)
- fireplace flue now hvac duct (2 replies)
- carbon build up at draft hood - furnace (5 replies)
- vent on wrong side of p-trap (8 replies)
- Those Condensate Traps Really Work (3 replies)
- Return air balance (4 replies)
- for that earthy smell... (1 replies)
- Secondary drain overflow shut-off (4 replies)
- Buried Refrigerant Line and Run Distance ? (20 replies)
- Flexible gas pipe (14 replies)
- Garage Vents (8 replies)
- Hi-Efficiency Furnace Exhaust Flue Not Level. (3 replies)
- fuel ga code prior to 2000 (6 replies)
- HVAC disconnect (4 replies)
- air ducts in closet (2 replies)
- duct-tape on supply ducts (10 replies)
- Gas shut off valve location (12 replies)
- SIngle wall? (1 replies)
- Code help for Dryer duct (14 replies)
- Vent pipe (4 replies)
- High Efficiency Furnace Intake/Exhaust Setup (8 replies)
- Combustion vent location (1 replies)
- Comfortmaker furnace age (2 replies)
- Armstrong Oil Fired Furnace / Vent Connection (6 replies)
- problem? (27 replies)
- condensate pump tubing (9 replies)
- Three Stooges HVAC (11 replies)
- Terminolgy help (2 replies)
- air handler in crawlspace (4 replies)
- Hi/Low vents terminate in the attic?! (27 replies)
- heater burns gas or oil (5 replies)
- P-traps (3 replies)
- Waterford furnace age? (0 replies)
- Armstrong A/C SEER rating? (1 replies)
- B Vent Window Clearance (12 replies)
- Help with age of units (9 replies)
- Made in China (4 replies)
- HVAC Help Please (17 replies)
- Vent support (1 replies)
- P-trap on wrong side of vent (6 replies)
- Gas line questions (5 replies)
- Flue Pipe Handrail (2 replies)
- Gray PVC for direct vent furnace (0 replies)
- Cardboard supply ducts in slab (9 replies)
- Air ducts/electrical cable (1 replies)
- Flex ducts on joists (2 replies)
- Service Techician Note (1 replies)
- block support for furnace (11 replies)
- Identifying Stream Systems (4 replies)
- Traps on Primary Condensate lines (30 replies)
- Average cost of new duct work? (3 replies)
- Suggestions for recommendations (11 replies)
- Condensate Tray (3 replies)
- Buried LP tank (8 replies)
- Condensate? (6 replies)
- Catch pan drain line (1 replies)
- A/C Capicity - Austin, Texas (13 replies)
- Water Detection Device (10 replies)
- A/C & "Great Foam" (13 replies)
- Amana? Goodman? Maytag? (1 replies)
- Plastic exhaust vent (4 replies)
- Restricted, crimped air ducts? (6 replies)
- Kitchen boiler (5 replies)
- Nutone Air-to-Air Heat Exchanger (11 replies)
- Micky mouse was at this house (3 replies)
- Vent Damper (9 replies)
- fresh air is over-rated (0 replies)