- New Cat IV Burning Smell (3 replies)
- A/C compressor sucking discharge air back into coils (2 replies)
- Can I get a name for this part(s)? (8 replies)
- This this A/C correct (5 replies)
- Added Load (4 replies)
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- Mold in A/C plenum-Mold assesment or replace? (9 replies)
- Old Carrier Heat Pump Age (1 replies)
- CO detected at supply registers (1 replies)
- My first sediment trap (7 replies)
- Extra AC return vent (3 replies)
- circuit board wired outside air handler (4 replies)
- Max Amp rating on outside AC (1 replies)
- What type of AC system? (7 replies)
- A/C Duct Output Temp vs. CFM Air Flow (3 replies)
- HVAC ducting question (12 replies)
- How ancient is my A/C? (9 replies)
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- Window clearance natural draft WH vent (0 replies)
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- Icy A/C line (5 replies)
- Boiler venting through sidewall (2 replies)
- WHOOPPS (4 replies)
- Bathroom venting (1 replies)
- Radiant snowmelt controls (6 replies)
- Goodman A/C Fused (3 replies)
- Odd furnace vent (5 replies)
- Thermo-ply Requirement (6 replies)
- Furnace test in hot weather (23 replies)
- Condensate line design (9 replies)
- PVC pipe on gas regulator? (6 replies)
- Heat pump for split system (15 replies)
- venting and Return air distance from each other (4 replies)
- Furnace in the bedroom. (1 replies)
- Heat pump freezes up (6 replies)
- Gas furnace flue tied in to chimney (2 replies)
- Termination of heating unit (3 replies)
- Main Gas pipe to Water heater (12 replies)
- Missing gas flue from the furnace (5 replies)
- Condo venting?? (6 replies)
- What Does This Switch Do? (7 replies)
- Help writing up a chimney (17 replies)
- AC Condensate Line (5 replies)
- Blue residue on gas shut off valve (3 replies)
- Furnace age (2 replies)
- Trane XR90 missing vent?? (6 replies)
- CSST on finished garage wall? (40 replies)
- Furnace exhaust fan (5 replies)
- Nothing like a nice warm bath (6 replies)
- Air condensate drain lines (3 replies)
- Age of through-wall Emerson AC? (1 replies)
- thermostat question (6 replies)
- Direct Vent clearance to bathroom exhaust duct hood (3 replies)
- Combustion Air? (12 replies)
- SJC Corp Furnace Age? (1 replies)
- Unusual Direct Venting Configuration for Crawlspace Furnace (8 replies)
- HVAC systems during construct (6 replies)
- Oil Fired Boiler and Gas Water Heater Venting in Same Flue (5 replies)
- Flex pipe for furnace exhaust pipe? (2 replies)
- Oil fired boiler in garage (13 replies)
- Age (3 replies)
- Length of PVC vent connector (1 replies)
- Commercial Ductwork (7 replies)
- Inspection of vents in attic (10 replies)
- Handy Page for Deciphering Furnace Ages (9 replies)
- Date of Manufacture, Burnham Boiler (3 replies)
- uh oh (5 replies)
- "Return air" (2 replies)
- Is it dangerous? (11 replies)
- Heat Pump or Electric Heat?? (12 replies)
- Kitchen Range Hood Safety (18 replies)
- copper section betweem black iron (7 replies)
- Return air vs. dryer vent (4 replies)
- Radiant floor heating - guess? (15 replies)
- Exposed baseboard copper (2 replies)
- Condensing furnace - intake vent (15 replies)
- Testing AC Systems (24 replies)
- Age of Nordyne split system heat pump (4 replies)
- gravity furnace vent thingy (5 replies)
- Funny Noises (6 replies)
- Help (7 replies)
- Direct vent flue location (3 replies)
- May PVC vent route downwards? (7 replies)
- Where to post this? (0 replies)
- Return Air (4 replies)
- Gray Sch40 piping (12 replies)
- pressure guages on gas lines at furnaces (2 replies)
- Fire Dampers (5 replies)
- Corroded Radiator piping in Concrete (3 replies)
- odd exterior vent?? (8 replies)
- How Many Ways Can You Disrespect a B Vent? (4 replies)
- Pennco boiler age (4 replies)
- No data plate on furnace or AC??? (8 replies)
- Adjustable B' vent? (2 replies)
- Two gas furnaces venting in same chimney (11 replies)
- Is this a gas pipe or water pipe? (2 replies)
- Fluepipe routed through ductwork (3 replies)
- Heat pump operation (8 replies)
- Clean Easy Drain (4 replies)
- Frequency of cleaning ducts (3 replies)
- Combustion Air (4 replies)
- Can someone date this Furnace (12 replies)
- Chimney shroud (16 replies)
- Age of This Air Handler (3 replies)
- Combustion air vent (from garage) (17 replies)
- That was an easy fix! (7 replies)
- Is It Hot Enough For You??? (2 replies)
- Boiler Pump Dielectric (8 replies)
- Water Heaters used for DHW and space heating (9 replies)
- Furnace install question (19 replies)
- Abandoned Propane Tank (36 replies)
- Propane stove vented under deck (11 replies)
- Vented gas fireplace (0 replies)
- Air Conditioner A/C exterior drain line (2 replies)
- Installed For the Long Haul (34 replies)
- Want to be sure on age (4 replies)
- Carrier Air Handler (1 replies)
- Fuel oil leak (2 replies)
- Boiler in Hallway of Small House (8 replies)
- Crawl space plenum (12 replies)
- Geothermal System (2 replies)
- furnace technical help needed (8 replies)
- Dimmer controls air handler fan?? (5 replies)
- No attic drip pan (11 replies)
- deposits on water heater and furnace (20 replies)
- Covering AC Condensers in the Winter (24 replies)
- Gas tubing fires linked to lightning raise concern (3 replies)
- HI and also the Buyer (10 replies)
- Older Rheem rooftop Package (8 replies)
- Who needs combustion air? (10 replies)
- Return vs. fireplace (2 replies)
- Bent Fins (8 replies)
- Heat pump timer? (9 replies)
- Unfamiliar flue (3 replies)
- Screen in jets of furnace (6 replies)
- Experience with oil fired furnances & boilers? (14 replies)
- PVC or CPVC vent pipe on tankless heater? (1 replies)
- Concentric vent termination (5 replies)
- Age on a Gaffers & Sattler Furnace (2 replies)
- Carrier Comfort Zone II (7 replies)
- 100 amp Circuit breaker to 30 amp packaged unit (4 replies)
- ceiling/floor/wall hydronic systems (31 replies)
- Heat exchanger (8 replies)
- Duct Material in 1960's Home (10 replies)
- pvc venting (1 replies)
- Heat shield (11 replies)
- water in furnace pan (54 replies)
- Frost or ice on the outside of a heat pump compressor (8 replies)
- Age, history of this old boiler? (20 replies)
- Clearance for underground propane tank (4 replies)
- Furnace in the garage (16 replies)
- Comments on shared furnace / water heater vent (6 replies)
- Need help decoding lennox htr age (1 replies)
- Can anyone supply the brand name of this old furnace (0 replies)
- Furnace venting (7 replies)
- air handler internal condensate device? (4 replies)
- Age of Carrier brand evaporator (4 replies)
- Shared HWT & Furnace Flue (High Efficiency) (2 replies)
- Age of Goodman AC Condenser Unit (3 replies)
- thermostat (3 replies)
- Flex vent at furnace (10 replies)
- In Floor and DHW (7 replies)
- AC refrigerant lines in plenum (2 replies)
- sealed crawl space and gas appliances (15 replies)
- Height of furnace vent above grade (2 replies)
- Height of furnace vent above grade (3 replies)
- Electric furnace temperature rise? (8 replies)
- Size matching of evaporator and condenser (9 replies)
- Should NM wiring be recommended? (12 replies)
- Should NM wiring be recommended? (4 replies)
- Vent connector length at WH draft hood (18 replies)
- core obstruction (14 replies)
- Venting gas furnace in attic (7 replies)
- Need a name for this component. (27 replies)
- Radiant floor heat (1 replies)
- HVAV proximity to furnace venting (14 replies)
- AC coil fins (2 replies)
- Tankless Water heater distance from propane tank (2 replies)
- undergroud oil storage tank vent? (1 replies)
- Mammoth Heat/ Boiler (8 replies)
- 3 AC Condensors on One Breaker. (6 replies)
- Decoding older Rheem furnace Serial # - looking for manuf date (21 replies)
- Dryer vent/AC condenser clearance (13 replies)
- Commercial Ventilation (11 replies)
- A/C coils (1 replies)
- plastic Mylar bath ducting in attics (0 replies)
- Weil Mcclain boilers (3 replies)
- 'Season' Compressor (3 replies)
- Compression Copper Gas fittings / pipes (4 replies)
- 2 compressors, 1 FAU? (3 replies)
- AC differential temps (13 replies)
- Propane Gas pipe tape (3 replies)
- Condensation line (2 replies)
- Return air and fireplace (1 replies)
- Any idea why this box is here? (5 replies)
- early hydro or swamp cooler (5 replies)
- 3' gas vent termination height (2 replies)
- Age of HVAC (2 replies)
- Listed gas appliance exhaust termiantion (4 replies)
- Condenser Fan Motor Wiring (28 replies)
- Upside down condensate trap? (9 replies)
- condensate trap not necessary (10 replies)
- Inspectors' duties (3 replies)
- This House Was Smokin' (7 replies)
- heat controller (5 replies)
- Test Condensation pump (3 replies)
- Dryer duct venting (7 replies)
- Vent in bath Enclosure? (4 replies)
- Laundry room exhaust venting (2 replies)
- Buderus Boiler and Indirect fired water heater (3 replies)
- Field Controls Power Venter runs constantly (1 replies)
- Correct sizing of unit for furnace (8 replies)
- WHAT IS THIS?? (11 replies)
- FED PAC STABLOCK AC DISCONNECT (6 replies)
- NM liquid tight, flexible conduit (0 replies)
- Unit in attic (9 replies)
- Plywood duct work (10 replies)
- Venting (3 replies)
- Round Pipe combustion air equivalency (6 replies)
- Need Help for FHP Water Source HP age? (4 replies)
- Do you see a problem? (16 replies)
- Comments please (1 replies)
- Age of a Carrier Condenser (2 replies)
- Ex. heat pump unit, now with standard gas furnace (10 replies)
- Serviceman switch (8 replies)
- 240V hydronic heating pump? (2 replies)
- Rectangular flue pipe (2 replies)
- HVAC ceiling mounted units (5 replies)
- Combustion air in small room with open ceiling (7 replies)
- Hallmark Furnace age (0 replies)
- Any ideas what this could be? (5 replies)
- Exhaust location (0 replies)
- Need Help finding Make of Furnace-A/C unit (4 replies)
- age of Weil Mclain boiler (2 replies)
- This can't be right (7 replies)
- AC (3 replies)
- water heat/space heat combo (0 replies)
- Is this a heat pump? (5 replies)
- Max bends of a furnace flue (2 replies)
- Condensate (5 replies)
- Singer Furnace Age (3 replies)
- boiler installed in garage space - sort of (3 replies)
- Mixed vent materials (2 replies)
- Convection heating? (6 replies)
- What are all these weird things in my Air Duct? (19 replies)
- Dryer vent (4 replies)
- Water based heat pump (10 replies)
- Venting issue (6 replies)
- Horizontal Duct to Plenum Connection Question (5 replies)