- wall cap damper
- Constant Dust Problem
- Air Duct Sealing
- Move duct work
- 3 zones for a 2 story house
- Dryer vent brush
- new duct booster
- Another cold air return setup.
- How to tie in an additional supply trunk to plenum?
- Which of these 4 plenum take-off examples is best? (illustration incl.)
- Cold Air Return Advice
- FORCED AIR heating problems with fan
- Uneven heat in house.
- Relocating dryer vent
- move a duct?
- Poor placement of vents?
- Dryer Vent Question
- Too much condensation!!Help
- Cold Air Returns on 1930 Home
- Vent bathroom and dryer together?
- Should I move return ducts in exterior walls?
- Forced Air vs Baseboard
- cold draft
- Insulating metal duct in attic?
- Frost on the roof sheathing
- Builder never sealed dryer tubing to gooseneck vent how do I seal it? Lint everywhere
- water in ducts
- basement ventilation system - DIY style?
- installing a bath fan
- Moving ac register
- Star network from the plenum or Tandem?
- Furnace/H2O heater venting nightmare
- Suggestions
- 110V run in cold air return?
- Returns for an unfinished basement
- Basement heating
- Island venting
- 3 way ceiling box
- basement too hot, first floor cool
- Removing cold air returns
- Wall Cap 6" Round or 3.5" x 10"
- adding ductwork & vents
- Auto-Flo electronic "steam" humidifier
- Condensation/ceiling discoloration around bath exhaust fan
- Duct Work Basics
- Attic Fans for Third floor space? Good or Bad
- Ceiling leak from dryer vent?
- Basement Finishing/Remodeling Question
- Ceiling vent register fitment issues
- which way is closed for duct carrier???
- Filter help
- Air Return too Close to Heat Vent?
- Duct Fan Install (HVAC problem)
- Cold Air Return Question
- Reducing trunk size after branching off?
- Reducing ductwork
- Venting Powder Room
- Newbie question about Duct Layout in Attic
- Is there a mold prevention product for humidifiers
- Dryer is venting right below outside air intake vent???
- vent, right above the furnace
- Sealing Rigid Ducts
- Cold air return in crawlspace?
- Water leaking down dryer duct
- 8 inch galvinized duct repair help
- venting a gas hot water heater
- uneven heat distribution on two floors-attic heater
- Ducts in a Bathroom
- Adding Ductwork to Old Basement
- HVAC and Mold Question
- Suggestions regarding an old forced-air system
- Best filter for old system
- Cold basement due to furnace vent from outside
- Re-route existing duct work
- thoughts on an idea
- anither dryer vent?
- How often should I be cleaning duct system?
- My pocket book really wants to use flex
- New forced air ducts in fairly new house
- Air Exchanger Troubleshooting
- dryer vent.?
- closing off vent
- Fixing Ductwork
- Redirecting heating register
- Retrofit Forced-air Heating/Cooling?
- 4" round dryer vent in 2x4" wall?
- Combine bathroom exhaust from 6 bathrooms?
- Combine Bathroom exhaust & Dryer vent?
- No air flow to half of house - HELP
- What to do??
- Replacing ducts in micro crawlspace?
- 53°F draft coming from return vent
- my furnace need to breath??help please
- Need help with In-Line Duct Fan
- Not sufficient heat in new addition
- Heat Pump Outside Operating Temp
- Can you convert return to a register?
- need advice on forced air heating system design
- New bathroom exhaust is much noisier than expected
- Basement Remodel
- dryer duct condensation
- Adding Two Cold Air Returns to Furnace
- No heat from air duct
- New vent in unfinished basement
- Over Coalstove Hood-Will This Work?
- Noise from heating duct in loft unit
- Can Honeywell EAF Prefilters be cleaned?
- Cold Air in few rooms
- Advice on adding new ducts
- Heat in Bathroom
- Attic retrofit for furnace
- plugged heating duct
- Allergy filters
- What CFM to use for duct calcs?
- Moving Register
- Trunk Size
- 2 x 12 register question - Ed?
- How I Add Return? Best Size?
- Bathroom Wall Fan Ducting Question
- Water dripping from duct vent
- Humidifier?? How To?
- Installing a Tee in an existing hot-air duct
- Condensation on AC ceiling vents
- Reverse Thermostat???
- heatpump hookup question
- Is air filter rack supposed to be airtight?
- Location of supply & return lines
- Blocking a cut hot air duct.
- What goes "clonk" in the dead of night?
- Could a hole in underfloor ductwork lead to damp exterior wall?
- where to tap? top , side or bottom?
- Return duct too small?
- installing duct/heatpump information needed
- zoning a system
- Bathroom exhaust duct questions????
- Dryer vent: Up or down??
- Tieing into exsting ducts in basement and placement of return vent
- heat in basement
- Glass block dryer vent help
- Bathroom returns
- Another dryer venting question
- tapping into upstairs wall return
- New Air Cleaner Needed, suggestions??
- Upstairs cold in winter hot in summer
- Fireplace smoke through heating duct
- ceiling basement fan
- best price on pleated filters?
- Filter replacement on improperly installed furnace?
- Alternative to bathroom exhaust fan?
- duct cleaning
- Cold air return sizing
- Sizing ducting??
- resizing ducts?
- Extending a cold air return
- Drilling a hole for duct work
- Purpose of vent near top of wall?????
- Bedroom with unequal temps
- deteriorated ducts under slab on grade
- Lack of heat through select registers
- Need info on putting floor registers on our main floor
- add basement vent
- Dryer vent 90 degree bends...
- Ion Air Purifier....Are they worth it?
- Extending register vents
- Basement finishing: Need a return! help?
- installing a register in a excisting duct in a basement.
- Bath Fan without exhaust vent??
- How Wire Heat Pump to H/Well Thermostat ?
- Help! Snow coming in combustion vents!
- New return in refinished basement
- Furnace Noise Question.
- small room doesn't get cool air, far from AH
- extending ductwork
- insulating metal ducts
- Cold room
- How is my thinking on this?
- Fiberglass Ductwork? Returns
- insulating square ducts
- bathroom vented to garage
- Duct behind wall noisy - any solution?
- locating ductwork
- EAC's vs Media Filters vs Tox Box
- Long-turn 90 for dryer venting
- Clarion UV furnace system
- Ventilation ideas for a below grade basement. Any recommendations?
- Add heat to second floor
- Return Duct Sizing
- Honeywell HVAC Zone Control Problems
- cold air pails
- Duct humidifer?
- Creative stove venting help
- Baement Remodel
- new all heat duct
- Curious Damper in main return duct.
- Phil - MO
- apartment return vent very drafty
- Ceiling Heat Vents/Ceiling Fans
- Rusty ducts is it a problem?
- Taping bathroom fan duct?
- Retrofitting a filter rack?
- Adding heat to second story bungalow
- temp difference in rooms
- exhaust only whole house ventilation
- what do these mean?
- Renovation, and cold air return
- Cleaning duct system
- which vents to put filters in?
- Remodel Removed Cold Air Returns
- Heat Recovery Ventilator problem
- Which foil tape to use with flex duct?
- wiring for a white-rogers sst1600 eac?
- One roof vent for two bathroom exhaust fans?
- Register layout (I'm cold in the corners!)
- Inadequate bathroom ventilation
- Cold air return under a cabinet
- Ductwork for toekick heating
- furnace exhaust duct
- duct calculator??
- Replace duct or not
- Trane CleanEffects vs. media type filters
- Replacing / Moving ductwork
- Attic duct/fan to circulate wood-stove heat.
- Window exhaust/rental house
- Forced air system vs remodel
- New Flex Duct Installed
- Maintenance question re: air ducts
- UV Lights and EAC's
- System airflow problems
- No Upstairs Air Return & have hot rooms
- wrapping insulated ducts?
- How to use 3 inch pvc duct for clothes dryer
- Can I draw cold air from basement for cooling???
- moving ductwork & adding basement floor returns
- Duct from outside into air return
- New Ductwork or not?
- Outsidde (stinky crawlspace) air coming in
- Automatic foundation vents
- Need Help w/ System Design
- replace old duct work cause it's dirty??
- Moving air return
- cold air coming out of return
- How to temporarily ventilate basement.
- evaporative system duct layout
- Sofit vent for a bathroom exaust fan?
- Silver vs Black flex duct
- ducting for range hood
- moving a duct in a low-ceiling basement
- Where to tap plenum for bypass duct
- Anyone know what an air test is?
- patching a hole in a furnace duct