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- Carrier Question
- Stupid question, can AC fan turn if breaker has been thrown?
- Warranty considerations
- arzel, infinity, aaaaaaaaargh -- help
- Closing Threads
- Heat Pump Compressor Blanket
- Trane v Amana; whole system v air handler only; heat pump v heat strip
- pulling cool outdoor ambient air through forced air HVAC
- Myth or not?
- how to connect the peimeter duct in concrete slab to addition area?
- Sometimes its not good to have friends
- Replace compressor
- Should I go from a 13 SEER to 14 SEER?
- Unlisted GE Contactor? Different Mfgr?
- Help finding literature on Goodman GMT Furnace
- AC Units
- new yellow jacket gauges
- Matrix Furnace/Boiler
- Can't decide what to get....any thoughts appreciated
- No additional refridgerant needed ?
- Evacuation and 410a.
- product comparison
- help please, old touch screen thermostats?
- Year mfg, Model Number HS9-651-2p; SN: 51
- Trane Pros - I Need Your Advice!
- New Home / New Idea's
- help choosing AC model
- Rythmic "wow...wow...wow" from compressor
- Need heat pump Pro help
- Ductless mini-split system
- Water line size for tankless water heaters???
- Tank less
- Choosing heat pump/air handler - Trane, Carrier, Coleman?
- geothermal heat pump
- Performance 25hpa536A vs 25hpa536H
- Is it bad not to use furance in summer?
- Need help: Noisy air flow with new heat pump system
- what to do with old compressors
- Lennox Model Numbers
- York 2-stage furnace W2 delay timer question
- Replacing furnace/ac - opinion
- Is change in enthalpy & delta T. the same thing?
- disconnect melted
- No Venting a Crawl Space???
- IQ Drive vs Infinity
- Combustion press switch
- Correct (?) Supplies/Returns with HP Install
- Furnace: DC Motor Cost Savings
- Heat pump-what kind of back-up-elec or LP
- Am Std 15 VS Trane XR 14 VX Lennox
- Reversing a PAV with ridge vents
- heat pump problem
- Rheem Comfort control system thermostat question?
- zoning with heat pump
- Help Choosing Thermostat...
- My Decision (new furnance replacement)
- What to look out for during install of HP
- geo thermal
- IQ Drive 21/23 seer in Midland Odessa Tx.
- New Central System for old home
- How Many Wired Rheem RHC-TST401MDMS Mod Tstat
- Carrier infinity zoning...ewc motors
- Heat pump vs. Gas Furnace?
- Effects on Efficiency by Changing Furnace Speed
- Need input with residential guys working with Home Warranty Companies
- HVAC System recommendations, Please
- Seer rating
- In Need Of Expert Advice
- Goodman and Amana
- Roof mount package in SoCal
- STeam humidafier
- Pro IAQ stats
- New Didgital manifolds, Yellow Jacket
- Can someone ID this Trane unit please?
- anybody have testo 523?
- R410--vs--r22
- Help with condensation in duct work
- Install Hard Ductwork?
- How does Elevation affect Heat Pump operation
- Mix N Match
- New House - 14Seer vs 2stage 16Seer
- Conversion to Insulated Attic?
- Tempstar ?
- Need Help, I feel abused!
- Bid - No load calc, existing lineset/ducting...
- Lennox XC15 vs XC16
- Nasty Suprise.
- Two floors, new system, not enough 2nd floor returns
- Care to offer an opion on a replacement system?
- mini split nitro charge?
- HVAC installation with diy removal?
- Please help - Lennox 2-stage furnace question
- Honeywell Thermostat stuck on contractor setting?
- Help, please! AC questions
- Carrier A/C noise reduction VS compressor life ????
- Empty systems.
- How big of a mini split
- Furnace and AC sizing
- True or False
- COP - Where does it come from?
- Very odd
- Correct installation of hydronic radiant heat
- replacing electric heat pump/ac unit in AZ
- TXV Trouble
- Consequences of getting a system with more capacity than necessary?
- Vision Pro IAQ Questions
- Do different staged furnaces require different installs?
- Feedback on Heil heating and Air system
- AirTap anyone?
- To Change the Lineset or Not: That is the Question.
- Homeowner Question
- Rheem vs. Luxaire vs. York - 2.5 ton Heat Pump
- Heat pump question
- House radiators busted....now what??
- Great new place - tired old HVAC system
- Apartment Sized HVAC Question
- Proper technique to braze new line set.
- Discount for multi-unit replacement?
- Do I need a load calculation?
- Myrtle Beach Heat Pump reality . . . .
- Furnace, AC and air filters
- 16 SEER vs. 13 SEER in Houston
- Just how smart is the Honeywell/Trane touchscreen stat, anyway?
- Condenser replacement only?????
- play in shaft
- Question with proper condensation traps
- Please Help!!!
- Fix AC Unit in Phoenix, AZ
- HP in NY?
- Rheem units
- Do I Need to do the AC and Humidifier Now?
- 3 ton HP on 2.5 air handler - fighting contractors
- Armstrong 2 ton 13 SEER heat pump
- evap. fan & heat coil on, will not turn off
- New furnace venting
- I Thought That I Would Get Closer to Figuring It Out With Each Estimate
- Kw Spec For Heat Pump Strip
- Homeowner Needing Advice
- Maytag 21 SEER Question
- Snow Legs or "Pump Ups" for Heat Pump
- Hydroelectric?
- Rheem Condenser Question
- Morbid Facination - Bad Installs
- R22 still OK?
- Ducts On Dirt
- Hard Start Kit Saved My Compressor!
- Dual Furnace layout
- Need advice on which HP system to purchase
- Filters-Purifiers-Etc Accuclean?
- Surge supressor
- Is this Ruud Upgrade Worth It?
- Question about sizing of compressor
- How to choose a contractor? or Ducted vs Ductless?
- Carrier ACA4 versus Lennox XC14
- Fellow pros motor ?
- Wondering which HiEff furnace to buy
- Evaluating Converting to Heat Pump
- TRANE vs CARRIER; 13 SEER vs 15 SEER
- Infinity Melting Down...Need Advice
- quietest heat pump?
- Trane XL15i Not Available?
- most common filter sizes
- Do it yourselfers
- Mitsubishi slimline systems or micro systems?
- mini split troubles
- wiring a r8184 with ac help...
- Unbalanced airflow, under sized coil what to do??
- Heat pump knocking
- Questions about re-routing ducts in ceiling. Please help!
- (sticky thread) for homeowners
- Reduction in condensate
- Heat pump selection
- oil boiler or heat pump
- Airease vs Carrier
- gmcd..are you out there??
- anyone know the temp rise of Infinity 80k or 60k
- Idea!
- Replace gravity heater... what are my options?
- Pleated filters, fiberglass filters, MERV, ????
- Replacing 20+ old Heil system
- uploading excel files
- condenser and coil
- need a/c or heat pump advice please.
- Continuous variable speed question
- reversing valve problem
- carrier vs trane and long line sets
- evap coil replacment
- Can I add heat to my attic a/c
- TRANE's GOT A NEW 3-STAGE FURNACE-anyone have any feedback from actual installs
- Natural Gas Ac units
- In search of a Realistic Buisness perspective
- HP installer wanted, SW. New Mexico
- Rheem Dist.
- Compressor Fan Constantly ON
- Payne Ac
- DIY can be dangerous
- 10 SEER to 13 SEER?
- Is this a big deal for the aird duct connection?
- Compressor gone bad?
- Rheem or Amana?
- Dehumidifcation control with a Rheem Modulating
- Adding another AC unit or installing dampners, help....
- When an install goes bad...
- High head 2.5 Gibson
- foil insulation around heat exch--catch on fire?
- R-22 or R410-a
- American Standard vs. York
- Air Handler Hums
- SH / SC basic question
- Anyone hate working on Lennox?
- DSS and Oversized System?
- When should I take a look?
- For the Pros
- will a new Hi eff gas furnace hinder my central AC ?
- Infinity question?????
- Size? Add to old or all new? Puron or freon? Filtration?
- Vents
- Texas AC license question
- Trane 803 TStat and Outdoor Sensor
- New Trane Xli 16 system - Is it worth it?
- Payne PA13 versus Carrier 38CKC both are r22 units
- Duct Hole
- Low liquid line pressure on new compressor
- Decisions Decisions!
- New sound from Carrier HP - like an ice cube in a garbage disposer
- coil
- Thoughts on DuCane NG Furnace
- unico high velocity central air
- REEM/Corsaire compressor noise
- Goodman odor mystery
- Permiting Question
- Carrier Wheather Maker 9200 ac problem
- Reusing R-22 lineset for R-410a: What should I ask the installer?
- Who makes Gibson furnaces
- Excessive house dust
- York Meridian Controls
- Pre-purchase Opinions Needed
- Little confused.
- Frustrated Home Owner
- Help Troubleshooting heating problem
- Ductless minisplit = Increased humidity
- Can anyone help me ID the age of this furnace???
- A little mystery
- fan/furnace issue
- Payne Ac vs. Carrier 25HNA6
- need facts from the experts
- Indoor humidity levels-summer and winter
- two ton, two point five tons, or three tons?
- Mismatching Condenser + Coil. Why?
- Trane XL15i
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