- AC SEER
- Combustion Air and Ventilation Openings
- Preston's Where are they now?
- HVAC EXPERT WITNESS NEEDED
- AC Drain New Construction
- HVAC Adequacy ?
- Support for A/C
- Help with manufacture date information
- Air Conditioners and Heat Pumps Recalled by Carrier Due to Fire Hazard
- Burnt Thermostat Wiring
- return in condo laundry
- confusing thermostat
- Single wall vent into attic
- Furnace combustion air vent
- Furnace questions
- What is this?
- Venting Issues
- Combustion air vent
- Air duct interface with slab
- Two units on one thermostat
- Sidewall Vent Termination
- Venting questions
- Lightning rods on condenser units
- With a little help from friends What This!
- Dangerous furnace
- A/C Fins
- Secondary A/C drain line
- Furnace clearance from rear closet wall
- Who;e Hpuse Fans and High efficiency Furnace
- Whole House Fans and High efficiency Furnace
- concrete fan housing support
- No condensate drain tray...
- B-vent chimney
- Wrong furnace flue instalaltion?
- Secondary Condensate Drain line
- Furnace combustion air venting
- Sometimes it pays to look inside the disconnect
- rats chew drain line to furnace
- Programmable thermostats and condensation problems
- Single wall pipe to b-vent vent question
- Garage air handlers
- HVAC in Kitchen
- Online Access to NFPA 54: National Fuel Gas Code, 2006 edition
- Gas pipe beneath door threshold...
- I finally got the call!!!!
- Condensate Drain to Indirect Receptor
- TREC SOPS AC Inspection at 60 F.
- mis matched condenser & handler
- Any guestimate the age of this one.
- Refrigerant line protection at studs and top plates
- HEATWAY TUBING--BETTER KNOWN AS ENTRAN II
- Age of compressor
- Problems with B-Vent piping
- Looking for an article from a trade journal
- Vent Pipe contacting Gas Pipe
- Air Conditioning and Moisture
- Water Heater in bathroom closet
- ICC Energy
- Dark areas of carpet
- Range hood vents to attached garage
- furnace will not shut off
- Dual-Fuel heating - Fuel Oil & Wood
- Carbon Monoxide / Gas Furnace
- Breaks in Duct Chase
- Buried oil tank?
- boiler age?
- Dayton furnace age?
- Help Please
- No Info on unit.
- Electric Furnace Duct Sensor?
- Wood fired hot water system
- CSST required at gas applicances
- Goodman quietflex duct defect
- wall padding? / what is this?
- HE Flue Venting
- 95% Eff Furnace Draws Combustion Air From Inside
- Single wall or B Vent?
- HVAC Inspection Books ?
- Rinnai wall furnace recall
- Heat Pump temp defferntial
- Zoned system
- attic furnace flex pipe and exhaust stack
- PROPANE TANK COPPER PIPE TO HOUSE
- Heat Pump Question
- Gas furnace
- direct vent?
- HVAC freeze up
- Floor or ceiling register placement advice
- Type b vent locations
- Fixture Leaks
- BASEMENT HORROR SHOW
- de watering system
- Does this need a collar
- Weil Mclain Gas Boilers
- Load calculation form for properly sizing a furnace
- FURNACE AGE BY BRAND NAME--NEED A GOOD WEB SITE
- Air Conditioning in Winter
- Boiler Delta
- Condensing furnace Exhaust, Distances from window, electric and gas meters
- filter challenge
- Heat pump freeze-up
- Help Please
- A/C Unit
- what is this blue..
- Clearance question
- Age?
- P trap to waste pipe?
- Condensations in Vent pipe
- Condensate drainage system
- A/C Condenser in Attic
- GEOTHERMAL HEAT PUMPS
- HVAC-Talk.com
- HVAC condensation conection to waste line
- 2 oil lines to burner
- CSST Flex gas kine
- Electric baseboard placement
- Testing AC in cooler temperatures
- Early 90's hi-efficiency Carrier Furnace
- Payne A/C
- Hallmark Furnace
- Furnace Combustion air.
- date of furnace
- A for creativity
- Flue connections
- BLUE SLIM ON FURNACE
- Garage heater
- Help with age of heat pump system
- Passageway
- high side line cold
- return air proximity to gas appliance?
- heat pump thermostat
- HVAC condensation drain line vent cap
- Induced Draft Furnaces
- Up flow Furnace wood Base
- Unit Size
- AC issues
- Condensate line size and installation
- Screen for Forced Air Flue Pipe
- packaged heat pump filters
- Homeowners with High-Efficiency Carrier Furnaces Receive Protection of Extended Warra
- What furances on the moon look like
- Strange gas shut-off valve
- Seal foundation wall for Heat Pack
- High Pressure Re-set Button
- two AC filters
- PVC exhaust on non Cat IV furnace?
- a/c supply registers at soffit
- Heating requirements
- Furnace installation
- safety switch installation
- What is this?
- Backdraft Damper??
- Furnace Flue Height Adjacent Fireplace Flue?
- Vent termination
- How much lean is acceptable on a Condenser ? See the photos
- Condensate drain to sewer vent
- Duct work
- TAKE A LOOK AT THIS PHOTO. PROBLEM ?
- ONE MORE TIME...LOOK AT PHOTO. WHAT IS THIS DRAIN ?
- TXV valve mean it's a heat pump ?
- new improved heat pumps?
- Filter Return
- Condensate drain
- Carrier Age and Size
- outside intake air vs inside
- Age for Magic Chief AC/GFAF combo unit?
- CAT IV system
- a plethora of flue pipes
- How "level" is "level" ... and other ponderables
- What is this
- furnace in garage
- Outlet above baseboard
- Insulation stuffed in oil furnace
- Return air
- Single condensate drain
- clearance to combustibles - NOT!
- Schedule 40 PVC DWV
- Auxiliary condensate switch
- Exhaust flue too close to window?
- Have a nice nap
- Furnace in kitchen & Return air from outside
- boiler providing steam heat and hot water heat
- Furnace flue issues?
- Labeled Ducting
- What is the insulation on this ductwork?
- Sweating ducts in crawl
- Questionable Size of Condensing Unit
- A/C unit
- Heat Pump temperature drop
- Ventless gas log set or not?
- Is ducting required for central furnace?
- crawl space water heaters---no more gas ones
- black rubber
- Minimum Clearance
- single wall extravaganza
- Intake and exhaust separation
- Crimped suction line?
- Gas line in cowl & in front of exhaust
- How big?
- Fan assisted and power vent category 1 furnace
- A revolutionary solution for bedroom airconditioning
- Height of combustible appliances.
- Funnel
- Furnace recalls etc.
- To replace or not with minimum 13 seer
- Good brief article on gas appliance flame rollout (roll out)
- Air return next to fireplace
- 240-volt versus 208-volt
- Old duct from what kind of system?
- Gas pipe run in duct
- CSST and return air
- Fire stops required around type B-vent
- Fact or fiction?
- Furnace & Water Heater in Closet in Bedroom Closet
- AC disconnect
- Condensor Clearance
- Are covers required for filters?
- CSST Clearance
- Day-Nite (Bryant) cooling unit
- HVAC New Installation
- AC condensate drain arrangement
- Hello everyone
- flue vent 94
- Sealing the furnace door
- AC Coil Installation
- dryer vents into utility room
- Duct opening
- return air
- Who's responsible?
- Another condensate question
- Correct term for flame extended beyond side of burner?
- AC Temps , AC Type and Inspector Reports
- Heater Size?
- Commercial ventilation
- What type of vent is this?
- Vent under deck
- We Don't Need No Stinkin' Wye
- Ack-O-Matic Boiler Age
- Burnham Boiler Age
- Is HVAC supply required in bathrooms?
- Can anyone ID this unit?
- Age Help
- Your wording?
- Internal Traps
- Measuring temp differential
- OUTSIDE FORCED AIR FURNACE
- PEX for Radiator Connection
- Indoor AC coil cabinet sweating?
- Can you ID this item on AC zone control ?
- Here's another to identify