- Conditioned Crawlspace
- Air Return Project
- old furnace pipe
- Do I have enough blower power to add a few registers?
- Cold Air Return (Winter)
- Should I add air return?
- Poor airflow to upstairs
- Adding vent fan to existing duct
- Air duct smells (from smoking)
- Adding air return in addition
- Anybody knows what this white stuff is?
- Is it OK to vent hot air from computer into walls?
- Small basement finishing project
- routing heat from a duct
- Old return with fresh air venting?
- Gas water heater ventilation
- Better to put duct work in attic or crawlspace?
- Dynamic Air Filter
- Basement Heat Issue
- mildew in ductwork WHO DO I TRUST?
- picking cfm for new furnace
- Qs ABOUT OLD HEATING DUCTS
- Noisey Heating Duct
- Cold Rooms / Dampers?/ Duct Fans?
- how to patch flex duct?
- * Clothes dryer venting problem *
- Installing return duct for pellet stove
- Gabled Exhaust/Whole House Fan Combo
- Heating Ducts And Asbestos
- Return air register questions
- floor register
- Adding dampers good?
- return air placement
- Preparing for winter
- adding new air return vent ?
- stinky smell
- Finishing Bonus Room
- Upstairs Bedroom Too Hot!!!/ Duct or Attic insulation
- New Basement Bathroom
- Attic Fan-size?
- Moving attic ductwork
- Use existing ducts as return ducts?
- New Attic Room Cooling
- Converting Electronic Air Filter to regular media air filter
- Venting a bathroom fan help
- Solution for very hot 3rd floor loft
- Adding duct from plenum to garage to heat it
- feedback on UV air cleaners, etc
- please help me install this air filter
- Louvered Dryer Vent Caps
- Range hood ducting
- Return Air Duct Size and Filter Size ?
- Duct for new room
- Duct Size to New Basement Bathroom
- how to determine filter size?
- Air return and fan Quesitons
- ...crawl space ventilation fan?
- Attic Ventilation Fans in Gable End
- Return air in walk in closet?
- Duct insulation required or just good idea?
- Buzzing noise in bathroom fan.
- flex duct
- weak air flow upstair
- Bathroom vent switch broke
- ductwork in basement too low
- sunroom venting
- Bath Vent Fan
- Ductless Kitchen Hood Range
- Replace with smaller ducts
- Duct Wrap
- A/C system efficiency
- Clean air
- need to remove grill of old kitchen exhaust fan
- where does the filter go?
- Furnace Air Supply and Return Sizing
- house too humid
- Trunk takeoffs
- A/C duct work sufficient for new forced air furnace?
- Crawlspace duct
- Dripping Ducts...
- Heat Pump
- bathroom ventilation fans - combining outlets
- Dampers
- Remove cold air return?
- Cleaning A/C Vents
- Dampers
- Condensation on air duct to second floor
- Basement ducts design help
- How would I install a bathroom vent fan in this situation?
- Sizing Ductwork for Furnace Replacement
- Takeoff off end of trunk?
- Right angle Duct
- Installing vent in new room of basement
- Again, new house..
- Questions about using MASTIC for sealing ducts
- Covering Old Hold in Duct Board (w Pics)
- Extension for warm air duct into drop ceiling
- cold air draft
- Calculating ventilation needs in attic?
- Kitchen Downdraft Vent?
- Whole House Fan
- Supply Registers
- attic fan placement
- Sweating Ducts!
- Schools of thought
- Return Air Duct and Filter size for new furnace
- replaceing ac duct work
- Static Pressure
- Return air to nowhere
- Return vent size versus total filter size?
- Kitchen Exhaust Fan Inoperative (Retitled Question)
- safe to order from this vendor?
- Design help please...
- Adding return vent
- AC return vent drip, cause?
- Cut takeoff holes with Rotozip?
- pvc pipe????
- ducts on raised ranch,
- replacing all duct from unit to register+retn
- Attic Fan / Central Air Conditioning
- Panned studs for cold air return
- Kitchen Vent
- Can I move my return from upstair to downstairs?
- where to find instructions/rules to run duct in my old home
- Air Return Grills
- central air ventilation problem
- Figuring num of supply/return vents
- Crawlspace Vent Suggestions??
- Replacing bathroom fan/light
- Condensation on top of attic register
- Return Air Question
- Water leaking from Air Duct - not condensation
- water everywhere
- Return Air
- Duct Board Verses Metal Verses Flex
- Reducing heat register size?
- Need to seal duct work
- Shed Type Roof Ventilation?
- HELP! Duct dripping ruined my living room ceiling!
- duct work?
- Ducts for new addition....Please Help
- Adding on
- Return Air
- want to change underground ductwork
- Sizing Basement Return Air Grille
- air filter options - which is best
- One more ducting question
- Adding a duct/vent for a new room
- Question about negative pressure
- Cold air returns after remodel
- Rerouting Ducts
- should I have flex ducts replaced with rigid ducts? Cost?
- attic fan switch
- Basement Ducting
- Duct Sizing Questions
- duct cleaning by professional (need opinion quick)
- Condensing ducts? $4500 ouch!
- Roof Sealant for Type B vent
- New Roof. Best [Attic] Venting System?
- Vents
- Heat/Energy Recovery Ventilation Systems
- Water in HVAC vents
- Mold in Vents/Air Ducts (house only 4 yrs old)
- Mildew smell from 2 heating vents
- Cigarette smoke in flexible return duct
- Bathroom Vent Inside or Outside of Insulation?
- Moving Main Trunk Vent
- sweating ducts
- Dirty A/C condensate pump
- AC Register Condensation/Surrounding Area
- Whole House Filtration
- InLine Duct Fan
- Ventilation help needed for a rather large animal cage
- moving ducts??
- Air filter size
- replacing a return duct
- Plywood return air box
- Cold air returns near ceiling or floor?
- new vents / finishing a basement
- cold air return noisy
- Effect of Undersized Return Air
- vent floor/ceiling
- Attic fan burnout safety
- A/C ducting revamp?
- Connect humidistat to fan?
- not enough cooling from existing central air
- Is the Dryer venting into the attic a problem?
- How to increase air flow in cold air return?
- Central Air Ductwork in basement is all dripping water?
- A/C leaking from around the air duct
- DIY ducts and central A/C
- AC water leaking from ducts
- Downdraft Stovetop Duct Problem
- water leaking in/around the ducts
- finishing basement
- Go for turbine vent?
- Central A/C mold risk from unwrapped ducts in walls
- Water entering the house via the HVAC air return duct
- Cooling a large room
- New duct and move duct
- sizing of air return on heat pump
- AC flex duct "sweating"
- venting a microwave hood along a inside wall to outside wall
- Plenum
- whole house fan vs. attic fan
- condensation and particle board
- How to install wall cap through stucco?
- Buzzing Noise when AC runs with filter
- How to clean my air ducts? Any ideas.
- Roof and gable vents
- Cold-air return: both high and low on wall?
- Return air in crawlspace
- Adding heat and air to garage? Help...
- Gas dryer venting
- INTAKE VENT SIZE & HEATER CLOSET
- One-half Garage Conversion to Bedroom
- Locating duct dampers
- ventilation [Attic]
- cleaning duct work
- Replacing bathroom vent fan
- Condensation on register in attic
- Outdoor hvac units
- Attic Ventilation
- Is it working? (Attic Ventilation Fan)
- Reconfigure duct for drop ceiling.
- PVC pipe as duct work?
- Garage ventilation question
- Duct choice?
- Return air
- cold air return ?
- Moving return air grills
- condensation from basement duct work! Ugh
- AC return from basement??? Can it be done?
- duct work repair questions
- ducts
- Help, Poor air flow.
- bathroom vent
- HELP ! Bathroom exhaust fans
- Range hood damper problem
- Codes for ducting Katy, TX
- New room, new register
- exhaust fan in garage
- Ceiling collar for 7 inch range hood vent?
- Replacing old/noisy bathroom exhaust fan
- 'Unusual' amount of drip pan condensate?
- Air Exchanger in Attic
- unknown ductwork in the attic
- New duct to basement for a/c only
- Range hood vent - best way to attach to roof vent?
- Central AC return air question