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- New System Needed
- 2-stage furnace not more efficient than 1-stage?
- Package Unit Advice Needed - Buying Decision w/in 48 Hours
- How to determine COP for heat pump?
- Running Gas heat in summer to kill fungus on coil
- Service Facts for Trane XL14c (4DCY)?
- Please give advice on Trane XL16i quote
- Finding Out Tonnage from Compressor
- Work Load. How is everyone doing... Things not good here..
- Drip pan
- Do I need zoning?
- r413a
- Got Ripped Off By Service Tech Today
- Got Ripped Off By Service Tech Today
- Carrier vs Trane vs Amana
- Trane Dual Fuel Wiring question (not DIY)
- Photos of new AC install, any comments?
- split unit
- Is 2/4TEE air handler with builtin Clean Effects Better?
- Heat Pumps 1 Stage or 2 Stage?
- Is there a connection between undersized line sets and compressor failure?
- Reversible Catch All HPC-163-HH
- Had a callback today.
- Totaline Electronic Air Cleaner?
- Manual J and roof ventilation
- I've been contacted by Trane on Static Pressure
- 410A chaos in 2010
- rheem modulation zoned?
- 421A
- This is a DOOZE !! New steel roof cause high utility bills
- Acadia is a no show
- Dual fuel vs Heat pump + electrical resistance
- any negative about the lennex xp13 hp?
- I'm in Houston, need proposals / quotes pl.
- General CFM effects and setting questions.....
- Recycle old condenser???
- Condensing boiler really worth it?
- So the tech came out, but I am not happy...
- Aprilaire 2200 vs Honeywell F100
- Cooline cycling from heat to cool
- Common & Run wires
- New hydronic system piping layout
- Thanx for the Advice about my AH @ work
- What to look for in replacement etc
- To all you DIY'ERS
- ac pressure keeps fluctuating
- Mind if I vent and I don't mean havin a coors
- beenthere, york, avy- matched with yzh
- Thermostat placement
- Quieting HVAC in small condo not easy
- passive make up air vent
- System needed to be installed
- AC versus heat pump
- heat pump sizing ?
- Geothermal Pipe length confirmation?
- Electrical Requirements for a 4 ton Acadia Air Handler
- Location of static pressure measurements on air handler?
- IAQ Problem
- Rheem 90 duct cleaning
- Can I have 2 thermostats connected to my system?
- preggo caps and dirty condensers
- Trane model numbers - what works
- A/C advice for one unit in a 400 unit brick condo tower
- Three-Zone mini split
- Need an honest opinion for heat pump
- Systems for South Florida (Hot and ver humid)
- Hot In Houston
- Help me decide, please. Do I "upgrade" or keep my old system?
- Carrier HH84AA009 fan control board vs. ICM275
- Please Help!!
- Why different size recommendations with load calcs?
- Cooling Capacity/Charge?
- Confusion on HP sizing
- Opinions on Vent Filters
- Compact Variable Speed 410a Air Handler
- transition's seam?
- A/C Doesnt Blow Cold And Fan Motor Doesnt Turn.
- York A/C Noisy?
- Sealing Ductwork
- Grumpy Old Man
- temp and static pressure question
- New 15 SEER Goodman 410a system being installed. Questions...
- York Condenser Coil
- Load Cal Program
- Newbie...no cool air question.
- Propane Delivery Accuracy
- Carrier Infinity Control of ERV
- Line Set heats up after turning off breaker
- Will RETURN fill home with dust and radon?
- Can't clean coil or drain pan?
- Should I close A/C vents in unused basement rooms?
- furnace plug getting hot and melting
- Mismatched Units? Need help!
- Line Size?
- XL 16i and XV90i Dual Fuel
- Furnace sizing based purely on blower size???
- Trane XL16i System Questions for the Pros
- Goodman 16 Seer Heat Pump Temp Shutdown?
- Controlling whole house fans
- My new incorrectly wired heat pump
- Existing System
- Has anyone worked for sears? how is it there as a hvac service tech
- Bryant or Rheem
- sizing problem
- Need feedback from consumers
- choices for dehumidifying
- General question about furnaces these days
- 410a monopoly
- Split system or Central with multiple air handlers?
- using condensate water to help condence
- Set back question and thanks…
- Trane heat pump - 15i vs 19i
- Need help diagnosing problem on heat pump
- Help diagnosing an AC problem
- Hybrid Heat cost program
- Theory Question: Suction Line Pressure and Superheat
- Theory Question: Pressure drop across evaporator
- Split unit in crawel space
- Question about AC Thermostat
- AC Motor Overheating Question
- HELP ... TOO HOT in Houston TX
- Bryant mini-split compressor
- Thoughts On A Fresh Air Intake?
- Passive attic vent vs active attic vent
- Does anyone know the purpose of this switch ？
- Ducts replaced, Increase in temperature
- Utica UB95M-200 Mod/Con Boiler
- Compressor winding test
- ari rating website
- flushing lines sets ,to accept 410 a refrigerant
- Duct and Vent sizing for 125,000 BTU Heil 92%er
- Under Slab Duct Question
- Advice needed for new heat pump choice
- Did I make a rookie mistake?
- Odd Question
- Solution for stratification
- It looks good on paper...
- Curious
- Should i run my systems fan on low all the time
- Properly sizing indirect water tank
- Can Blower be set to run at 80% all the time
- A/C freezing up, had tech out twice, need suggestions!
- Home Warranties
- Unit change out advice
- Brand and installer advice...
- looking to replace old Carrier unit rooftop model # 48KL124300BE
- help
- Which Size
- Which type gas line in garage area?
- New evap coil or replace entire unit
- Electric vs LP
- Negative pressure
- need help with something
- TXV Identification
- Confirm Pro advice on hydronic heating
- motor megging
- Insulate or not ?
- Insulate or not ?
- xl16i--zoning issues--possible resolution--pick one
- NU22? EnviroSafe? HC22A?
- Mechanical Noise
- Hot water
- Unit manufacturing date information
- Tax credits??
- New Air Handler Only cold half way up the A coil
- 410 A check
- What seems to be lower air pressure with new AC/Furn
- plenum options
- Noisy Filter/Grille Combo
- How does an infinity system know when the humidifier pad needs to be replaced?
- what window unit has the most consistent noise level??
- Would someone explain in detail what HVAC effiency means
- HVAC/R Trade Books
- Prestige Boiler - Advice Wanted
- Another repair vs. replace question
- Replace Oil Tank or Switch to Gas??
- Furnace?
- Is there such a thing as "No such thing as having to many Returns"
- goodman ck36-18 question
- Need Advise
- Weather King Heat Pump
- Question
- making a cradle for AH
- Detailed/extended efficiency ratings
- Help choosing new units
- Cooling only VS HP - the coil the same?
- Replace Oil with electric?
- The reproach of the approach
- Motorized Dampers
- What questions should I be asking potential installers
- Another WH goes BOOM baby
- Variable speed or 2 stage furnace?
- Help me understand Carrier static pressure and filter changes ...
- Bryant VS Question
- Life span of air heating equipment.
- Nitrogen purging
- Which Unit to select...
- Honest thoughts
- Return Air Grille Size...?
- White Rogers 1F95-1291 Connection
- Trane XE 78 side draft?
- Ordering replacement filter for Carrier FNCCAB
- Hallowell Acadia - Does this make sense?
- A\C suction pipe freezing
- Now another question regarding my old filters
- Who makes this model
- low suction pressure
- Decision Time-Bryant/American Standard
- Urgent: Need some help Air conditioner not cooling!
- Pressure sensor control forVariable speed driver needs help
- Pulling the trigger on Carrier Infinity!
- york solar powered hp/ac?
- Need Help Please ....
- Distance between compressior & airhandler
- Trane XB or XR ac unit
- Choosing a Contractor???
- Carrier air handlers
- Amana product proposal
- yorkguard module
- Can someone explain 13 seer to 10 seer mismatches
- Tined Coil
- Question about York H2DH condenser startup
- Yucky Ducts
- Need service manual Mr. Slim #MSH09CW S# 73000005
- Capillary A\C units?
- Thermostat, York,split,HP,elec. back-up-What stat??
- Poor cooling on 2nd floor
- Anti-Rodent Flex Ducts
- Contractor
- Excess Draft
- geothermal manifold - What should one look like?
- Noisy ceiling vent
- Noisy ceiling vent
- New system too small?
- Finally got static pressure down to ok level
- Replacing Goodman CK361C Units
- Can somebody explain "fresh air" principle?
- Gurgling sound in my air conditioner
- Homeinspector needs checklist - Need Professional Advise
- Lower Compressor Sound / Thermostat Questions
- Hard Copper for 7/8" Suction Line?
- Issue with suction line insulation...
- Understand my system
- Reducing Oil Funace Dependency
- Oversizing with a mod. furnace
- All Furnaces are created equal...?
- Hard start device as preventative maintenance?
- Foundation Plenum
- Quotes without any measuring
- New condo with noisy condenser unit
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