- not getting scammed again
- To spark or not to spark
- HVAC replacement and duct work question
- need help resolving complaint
- Replacement Hot Surface Ignitor
- Carrier Heat Pump Supply Plenum Temps
- Do controller self-reset after power outages?
- Heat controller inc and Magic Aire
- a/c ducts
- Server issues.Can't apply for pro.Please Help
- User name says it all - help!
- Aw come on..
- IAQ Dehumidification
- flame sensor
- Mod: Good Srategy for Future Addition?
- Olson Model; BCL 120S-which component?
- dehumidistat
- variable speed air handlers & thermostats
- quality of Rheem HVAC unit
- HRV / ERV Confusion!
- Carrier vs Kenmore
- Fan continuously running
- Moisture problems
- Need advice on new heat system
- High efficience vs. mid with DC
- York Affinity Thermostat
- HVAC calc vs. ACCA.org software
- DocHoliday
- Mistake in buying Thermostat - help
- Geothermal vs Traditional HVAC
- From the site email
- Correct Pad for Condenser?
- fan on XE900 Heat Pump
- Heat Loss Calc?
- Variable Speed Question
- Heat pump question
- Rheem Mod Question
- 3ton heatpump to 3.5ton handler: mismatch tons ok???
- leak detector
- inducer motor
- furnace - keep old or buy new
- spacepac
- Heat pump with oil/propane furnace
- heatpumps
- COP info?
- 80% vs 90% furnace
- heatpump
- Upgrading blower motor
- Rusty fan Guard - Repaint or replace?
- How to tell if Carrier LFP humidifier (with Infinity furnace) is working...
- Installing Humidifier on RUUD UGDA-100C-ER
- pilot problem
- chimney liner vs. b-vent
- what seer is my heat pump 694AVX060000AAAA
- Calculation of heat for basement
- 2 Filter/Dryers
- Single Room HRV?
- Small condenser footprint needed
- Weil Mclain EG Boiler Question
- Comfortmaker vs. Bryant
- Bryant ignition lockout question
- R410A TXV on 13 seer?
- Transformers on zone board
- trane or comfortmaker
- New furnace - 80 or 90?
- Replace furnace and new A/C
- External coil hot water on 60 year old boiler
- Heat Pumps: When Are They a Good Idea? Replacing Furnace and AC in New Jersey
- FHP water flow control valve.
- HVAC vs. PE in Texas
- Putting Tempstar Coil in Goodman AirHandler Cabinet???
- new system
- Attn: Trane Installers
- Interesting Question
- Seer ratings
- York 1 ton install for home theater
- bottom takeoff
- Plenum and take offs
- Heil blower stays on
- Intertherm Schematic
- New construction in WI, HVAC options
- Car Heater Hose usefulness for vacuuming ductwork
- Vision Pro dissapointment
- PVC alternative
- Weil-Mclain Ultra 105 questions
- Aftermarket blower control
- Pressure Switch # 632212
- Bad winter PM?
- CleanSpace featured on DIY Network
- H.O. attics-~!@#$%^&*
- Possible to buy Trane or Carrier online?
- Looking for comments on Carrier system
- Builder giving me the run-around on 2 Stage Stat
- carrier 58mvp code 13
- ESP from VS Wattage?
- Why Fujitsu Hold up on heat pump?
- Determining the correct HVAC size
- residential ductwork
- blower problem
- Talking Thermostats?
- Crack in hx below combustion level
- losing display on t-8775
- Do I need to change the evaporator coil?
- Duct questions (with pictures)
- new furnace and a/c questions.
- Daikin EER ?
- Heat Pump
- Lennox Completeheat
- Heat Pump output temperature?
- Will it be advantageous to have dual return?
- Furnace recycle (on/off) a lot?
- honeywell load limit switch question
- Gas Pacs Amana Replace or Repair
- Is this normal
- Lennox SignatureStat vs. Honeywell VP IAQ
- How do I know builder is giving me correct Goodman unit?
- XV90 & XL14i= Comfort-R ?
- lennox model#'s
- T-stat wiring for a gas valve
- Modulating and Condensing Boilers.
- residetial return ducts
- 80 AFUE -- need chimney modification?
- painting spiral duct
- Lennox XP19 line set vibration
- Two Questions on Returns
- Fan Delay
- Arcoaire IIS 90 (Two stage)
- Hot-Surface Ignitor versus Ignitor Flame Rod
- New furnace time - what about duct work?
- Clarify "Hot-Surface Ignitor versus Ignitor Flame Rod" thread
- Dirty Sock Syndrome after 5 years
- Natural Gas Price? Where is it heading?
- From the site email 10-23
- Preway Oil Drip Stove
- Troubleshooting HK42FZ009 circuit board
- Infinity 16/96 and heatpump/gas crossover (Ontario)
- Two Story Forced Air Retrofit
- heating and air ducts
- Vision Pro IAQ model number
- coil size
- gaslog fireplace
- Return air question
- Downflow furnace and Aprilaire humidifier problem
- lennox blower motor
- Just purchased installation from Home Depot
- Stick with Steam or Switch to Hydro Air
- What makes a heating system quiet ?
- Multi-speed blower motor vs. variable-speed
- Dual Fuel Operating Cost
- Crawl Scape Ventilation
- Carrier code 14 and 34
- non-union rats
- whcih heat pump to buy
- Auto or Manual Heat/Cool
- Carrier equipment cost?
- single stage vs. two stage and mid vs. high
- Air Exchangers that dehumidify w outside temperature
- From the site email 10-24
- Last of the 10 Seers
- Hot water baseboard pressure
- Fedders Quality
- Combustion air???
- Replacing existing HVAC in old home
- hummm .....darn moderator
- Evolution / Infinity Shutdown Issue
- The best way to apply mastic
- CFM per ton range
- York Affinity, Is this normal?
- CFM
- New T-stat for a little old lady
- Service Manual
- epa type 1
- Can someone tell me the SEER/HSPF ratings
- TSTAT FOR RHEEM MODULATING GAS FURNACE
- Ductless mini-splits: Fujitsu now rivaling (or equal to) Mitsubishi?
- glenn stanton @ burnham MPO147
- mercury flame senseor
- New Trane won't cool
- carrier
- Has anyone used Fedders ?
- RHEEM HEAT PUMP
- Intake and exhaust
- losing voltage across control board
- What Equipment is the best
- 80% 2 stage vs 90% standard
- Switching from oil to gas/new boiler.
- Is unit defrosting or is it broken
- Crystal growth on Trane CleanEffects corona wires?
- new furnace help please!
- Theory Question
- Infinity Control: extra info...
- Old Timken oil furnace
- Gas BTUs, units and power conversions?
- Carrier Infinity Question
- Tempstar - Bad Smart Valve?
- Heat Pump pointless? (check my math!)
- sheet metal help
- Measuring efficiency of new Lennox G61V
- How many Returns w/Zoning??
- Access for roof installation
- Nat Gas prices dropping like bad stock
- Honeywell vs. Aprilaire
- Non-vented attic
- Thingamajig.
- Carrier 58mvB vs. 58mvP
- $XXX to change a fan????
- Carrier 58mvB vs. 58mvP
- Adding a liquid line filter to a new unit
- Help choosing a new boiler
- pack unit
- can you zone a pack unit
- Peerless WBV vs System 2000
- CARBON MONOXIDE DETECTOR
- run time of furnace
- Ruud Furnace gas valve
- Is a 24 x 10 inch air filter too small?
- price of gas vs heat pump for heating
- 90 plus lp fornace
- From the site email 10-26
- advice on oil furnace for home, baseboard heat
- old wall furnace problem
- Weil Mclain Boiler Problem
- Turbo torch with Stay Bright 8
- What is a Modulating Furnace?
- 24vac transformer has strange symptoms
- cold big old house
- furnace runs a few seconds then shuts off
- Zoning Duct Design Advice...Please help!
- Parameter loop in slab duct system with water
- trane vs bryant
- New Lennox G61 noisy.
- Furnace Codes??
- Furnace run time question
- B&G Circ Pmp Cap
- Is there any thermostat that has this capability?
- 90% furnace requires ventilation?
- Need good tech / installer in Georgia
- tinknocker service tech
- Beyond The Valley of The Dolls
- how do you determine the volume of the return air duct work
- Lennox or Armstrong Variable Speed
- HELP!?! HVAC Pinging Noise Driving Me Crazy...
- Purging with Nitrogen
- does this match up, trane 2tec g'man gsh14
- Perplexed - Goodman/Ruud/Trane/Amana/American Standard/Carrier
- Vent kit
- any good books on HVAC?
- Variable speed -- is it worth it ?
- Protecting new gas pipe outdoors.
- OT: How About Chinese made duct tapes, aluminum foil tapes ?