- Venting required for whole house fan
- No air blowing out of three vents in house
- Duct Length
- Filters on air returns???
- Central AC Return duct noise
- How to reduce AC return plenum noise?
- Condensation on duct in basement
- Want to use chimney as air return
- House addition planned - convert or not
- laundry room fresh air intake
- vent my floor please
- attic ventilation--no soffits?
- Flex Duct?? (Range Hood Exhaust)
- Air intake vents
- new complete install old house
- cfm in flex duct?
- BRENDA NEEDS HELP! return in basement
- leaking AC ducts
- I can hear (but feel no) air in vent
- Attic Exhaust Fan
- Honeywell F100 versus F200 media filters
- bathroom exhaust fan - how to vent?
- furnace return duct sizing question
- mobile home hvac ductwork
- can laundry room share the venting system from the adjacent bath?
- air filter question
- mobile home ductwork
- whole house fan
- AC Register Condensation
- Changing Filters
- Venting to a mechanical room?
- Broken Bathroom Ventilation Fan
- Ventilation fans + high voltage thermostat.
- cold air return - hole in the wall???
- A/C not cooling 1 room. Exhaust fan?
- mixed opinions on ductwork?
- Whole house fans, what do I need to know.
- Airscreen 1000
- which do i open, which do i close
- Need to cut duct extending above floor
- rusted duct work
- is it mold?
- Help on Cold Air Return
- Furnace Filters
- Cleaning sheet metal ducts
- (Ventilation Air Handler) Blower question
- Cleaning ducts, possible?
- Non-standard 4.75 x 12 wall-vent sizes?
- Room to room fan or cold air return tap in?
- can I change the position of duct's axis by 180 degrees?
- Heat duct in outside wall?
- Basement Question
- flexible tubing?
- Forced air heat vents high on wall
- Basement heat/ac
- Home made whole house fan question.
- HRV System
- attic ventilators
- Branching off main duct for a new room, how?
- single room attic fans [Merged & Moved Posts]
- Air Handlers In Attic
- What size duct?
- Will it work? (alternative heating arrangements)
- Range Hood Steel or Aluminum Flex-ducting?
- What size trunk line?
- sizing a whole house fan
- Vent from utility room up to attic...!?
- Holes in rooftop fan vents and furnace vent.
- Replacing on Main line in basement
- Can you block an air register?
- Where to come off main trunk
- Push up the main trunk.
- Dryer Venting Problem?
- I need to install a whole house fan, have ?s
- Vent directly in main duct?
- Bath Vent Duct
- Bathroom ventilation questions
- Whole house fan...(Ventilation)
- central air
- Moisture (In The Walls - Ventilation Question)
- Is this enough cold air return?
- Yellow Streaks on Bathroom Wall?
- Using Central furnace to circulate fireplace heat.
- 2 cold air returns in 1 run?
- Crawl space
- Installing Basement heating ducts
- Flexiduct to Rectangular Duct and Back
- duct size question
- Cutting concrete slab for air vents
- Change in Duct sizes
- crawlspace question
- rainwater down funace vent
- another bathroom ventilation question
- heat/air condition vent on the floor where i want my bed, help!
- Attic Ventilation In Roof Valley
- Basement bathroom exhaust
- Wider ducts to regain ceiling height?
- master bedroom has no return but lots of dust
- Return air noise???
- Historic Home - No attic vents
- two bathroom fans, 1 3" exhaust - feasible?
- furnace in basement or attic??? which is better for the dollar?
- crawlspace foundation vent question
- range hood ducting - going smaller diameter
- Temperature difference
- Connecting return to existing flex duct??
- Expected Energy Savings
- Can I share a duct/vent with 2 rooms?
- Undersized Ducts
- Basement heat ducts
- knocking in heat ducts
- Leaky Duct System
- Unusually Dusty Bedroom
- Bathroom exhaust fan questions...
- Best Way to Seal Ducts?
- Main Duct Resize
- Cut too big of hole in main duct...
- Size of return grille
- Register Extension
- Can I tie by bathroom vent into cold air return
- Dryer Vent location
- Dryer venting solutions
- New Construction
- Where to find Manual J and Manual D?
- Air Handler Cold Air Return
- ductless bathroom exhaust fan
- Convection valances
- Suggestions for taping insulation
- reducing duct size and splitting a duct pipe
- running sheetmetal ductwork
- Basement Duct for Rec Room
- No heat from ONE vent !
- Weird Exhaust Smell
- Ed, how do I getting registers to lay flat?
- No bathroom vent
- Ducting a bathroom exhaust fan through joist insulation
- how much???
- crown moulding delema/ vents in the way
- Cold air returns
- new addition
- changing duct size to raise ceiling
- Dirty return air vent
- Moving a heating run.
- Cold Air Returns in Raised Ranch
- Moving an existing air return registier
- CAR in outside wall - vapor barrier behind or in front?
- Water coming from exhaust duct
- Damper?
- I found a "mystery" duct in my kitchen
- Air Handler
- installing heater ducts in attic
- Cold Return in Ouside Wall
- Bathroom Light/Fan Combo
- Question re. filter on Trane Gas Furnace
- Looking to purchase cold air returns
- duct liner edge sealing
- Need return help
- return air and vents
- New Dryer Exhaust Vent- help!
- Passive attic vents vs power vents
- combined exhaust flue for hot water heater and furnace?
- return duct ratio
- bathroom exhaust fan
- Bathroom exhaust venting in condo unit
- Finishing Basement
- Venting Dryer and bathroom fan off the same exhaust?
- radon-mitigation system vented into sewer vent
- Move gable fans to roof
- Returns for second story
- basement cold, return vents not right?
- Duct from Humidifier to Plenum (open or closed?)
- Two story family room gets cold
- Basement Cold Air Return
- circulating air in storage area
- Heat register in non-insulated basement
- venting bathroom through gable vent
- assistance needed in sealing ductwork seams
- electric dryer vent question ?
- Electronic Air Cleaner Problems
- Drafts, Cold Air Return, and Forced Air question
- roof cap for 10" round duct
- R-value in duct
- heat ducts in basement
- Advice on Air Filter odd size Solution!
- Need help running new duct line
- Bathroom venting To Roof??
- Best way to reduce dust in my home?
- Register Boosters
- How to vent my new basement bath
- Anyone have an Electronic Air Filter?
- Return Air Plenum
- High Velocity Forced Air System?
- relocating ductwork
- No Cold-Air Return and WAY Too Dry! Central Heat..Help!
- Old Stone Walls
- Basement Heating Issues
- Filter changeover cycle; Evaporator Coil and Pan Cleaning
- cold air coming out of registers
- cold air return vents
- Cold air from some registers - worth calling pro?
- Installing pre-hung door
- Finished Basement
- Cleaning ductwork..should be done professionally?
- need help booster fans install
- Ductwork doesn't extend through drop ceiling
- Ventilation for rooms without attic
- Can I change my ductwork?
- duct for range hood
- furnace blower speed
- Mitigating radon system buzzing from living room
- Air Filter Fan
- Dirty filter? Filthy ductwork?
- Soffiting Plenum
- Furnace vent back flow - This can't be good
- HEPA Filtering System?
- Finishing Basement
- Horizontal Venting
- Insulated exhaust vent for wall
- Looking for A Special Vent Duct HELP!!!!
- cold living room!!!
- Gas furnace vent duct
- New House - Dryer Vent Question
- sources of duct work basics
- Cold air coming in through downdraft cooktop vent
- Crawlspace duct sealing questions
- Gas Dryer vent questions
- just a test
- professional duct cleaning worth it or not?
- need help ductwork
- Damaged Floor Joist Because Of Duct Work Installation
- Duct Work question
- No heat from floor register
- Flexible Duct for Return Line?
- Speaking of flex-duct length.......
- Sealing odd-angle return ducts?
- Tapping Noise From Ducts
- Simple Straight Forward Ducting Problem
- Raising Ductwork
- Use existing takeoffs or replace?
- Exhaust Vent At My Garage
- cold rooms - no cold air return vent
- Central Air filter housing
- Programable thermostat problem
- Flex duct length & configuration
- New Duct - Works Great - Thanks
- Cold Air Returns
- Vent for Downdraft Cooktop?
- Stairway ceiling vent condensation
- Bathroom fan issues
- Supply/Return plenum sizing