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- Trane XL803 vs. XL900
- Manual J inputs. Guidance needed
- How dual duel work
- Replacing American Furnace Co. Furnace
- Airtight Garage with Furnace
- Electric Heat Coils
- Choosing contractor over brand
- sweating issue's
- Conversion from Oil to NG
- HOW MANY HURRICANE STRAPS?
- Did I get it Right???
- ERVs not practical for Northern climates?
- MODERATOR
- Control Board shorted to ground?
- smart valves
- Will greater air intake really fix a shaky fan motor?
- Winterizing a High Efficiency Furnace(off mode)
- At what point does over/undersizing become a concern?
- Another HO looking for info
- getting to the control panel on a Rheem furnace
- Alright somebody tell me what's going on (again)
- service valves
- Condensation in furnaces
- Seeking advice...
- Heat pump/dual fuel defrost cycle
- Measuring Static Pressure
- Carrier Infinity Thermostat - Blank
- Second stage heat cycle rate/ Auxiliary heat (CPH) Question
- Design degree/infiltration/heat loss calculation
- Out of 3 HVAC contractors, Sears was best, but...
- Radiant heat and Geothermal Thermostat help
- Luxaire JF-30
- Creative Use of Ceiling Material To Conceal Ductwork (Pic)
- New Furnace
- Lennox CS7000 VRS icomfort Thermostat
- EER vs SEER and the relative importance of each
- Comparing the value of the various brands available on the market
- RHEEM RPMD-042JAZ Reset issues
- Cool a Closet Next To Air Handler
- Burning Question
- Trane XV80 Model Numbers?
- Coleman supplier?
- Navien Tankless: Do I need an "Expansion Tank"?
- found a ducted boot in the attic.
- Which AC? Too many variables
- Condenser Unit, 1 vs 2 compressors
- should I upgrade from Carrier Performance to Infinity?
- Gibson or Trane?
- What happened to the "edit" button?
- Voltage and thermostat clock
- Heil Model number
- Some one PLEASE refresh my memory
- Trane/Am Std Heat Pump Tech Tip
- Qualify for Tax credit?
- Insulating my crawl space
- return air ducting
- New Home Questions
- Got a brand spankin' new HP from Amana (pics included)
- Horizontal or Upflow best for attic install?
- Little Giant Condensate Pump Qn
- Thermostats and Control Valves
- The final word - Carrier ICS with Honeywell
- Bryant 2-stage vs York modulating?
- These floor registers just lay there?
- Need help with 95% efficent gas furnace
- zoning a colonial style home
- Zoning controls: Honeywell v.s. EWC
- yet another comparison questions
- Luxaire 3 Red Flashes
- Indoor Unit vs Out door Unit
- Return Air Cover - Replace?
- Help needed with an old Carrier flowtronix unit
- Carrier System?
- Preferred N Coil
- How safe are fan boosters?
- Use a Buddy or a Pro?
- Question on York modulating furnace heating fan speeds
- Geothermal TXV diagnosis
- Adding a 4" Duct line to a 6" Duct line.
- Bryant 286B vs 289B
- Furnace replacement - variable speed versus single stage
- Goodman GMS8
- Trane Fan 'Circulate' Mode Frequency Options?
- Heat Load and Sizing Question
- Question regarding THX t-stat
- Ecobee EB-STAT-02 Touch Screen
- New RUUD system -very noisy heat mode
- tankless water heaters
- MUNCHKIN PROBLEMS
- Common Return Plenum for 2 Furnaces
- Evap coil replacement
- Replacement Unit Question
- heat pump with boiler b/u
- Hi all, Trane XV90
- Goodman aluminum evaporator coil replacement question?
- Ac leaks
- Honeywell IAQ EIM ... attic okay?
- owner
- new valliant boiler & rads help please
- Heil furnace inducer noise
- Air Filters disposal
- Please Help
- Can someone explain extacly how the bryant Evolution system works?
- Waterfurnace Desuperheater circulation pump problem?
- Williamson G724 series trouble
- Exterior Venting ?
- What Do You Call This Type of Vent?
- noisy nortron furnace
- York Diamond 90+ Help needed
- TXU controlling thermostat
- EcoBee Tstats Rebooting
- Heil a/c unit age
- Mold / Fogger
- LP Gas Output vs Nat Gas Output in furnaces
- Heat Exch.. change out time
- Open Limit Switch - American Standard Furnace
- Day 1 of install completed... Help re: duct and air flow!
- How do I get to VisionPRO IAQ settings & options?
- weil mclain he2 hydro shutting off
- Downflow/Horiz. vs. Upflow/Horiz.
- What are the best brands to look at for a new furnace?
- Carrier Infinity controler filter warning
- Condensate was dark gray after 1st days w/new HP
- Running HRV F/A supply to crawl space ?
- Is there a way to determine if heat pump frost sensor is defective?
- How does adding/removing radiator effect heating cost?
- Furnace Operating Noise Levels
- Problem with digital themostat
- couple of installation questions for furnace and AC
- Outside condensor noise
- Advice pls - HP/elec aux OR HP/LP aux
- Understanding outdoor temp sensors
- Carrier Performance A/C &Furnace operation
- New Furnace Requires Coil Replacement???
- Lennox SLP98V VS York affinity 98%
- modulating vs 2-stage
- 1 or 2 systems, Lennox or American Stand.
- Furnace Sizing Question
- power vent water heater in basement using inside air ??
- York Affinity Communicating Thermostat
- New Bryant System Help
- PULSE FURNACE
- Change over from R22
- filter question about restriction
- GPS Fleet Management
- Heat Gain to Uninsulated Furnace Fan in TX Attic?
- Goodman smartcoil
- New Sales Technique
- HEIL Furnace question
- Convert pneumatic to electric contols?
- HVAC bid conundrum
- Hybrid heat pump electric water heater ?
- High CO levels in flue pipe - Janitrol
- After hour installations ??????
- XL14i and Honeywell TH8321
- Move duct and repair TJI's or live with it?
- modulating or zoned (2-stage or modulating)
- Day 2 of install completed... More duct and airflow questions!
- Bryant 127A AC and Evolution Compatability
- American Standard Trouble
- Frangible plug on lennox A/c
- Is this Lennox dual fuel system set up properly?
- Programmable multizone electric damper on duct. Why?
- Carrier variable speed dehumidification questions
- Furnace Warranties
- Electric Bill went way up after new install, is this just being in Florida?
- Help!! Suction Line size Question
- Comfort zone II with infinity thermostat
- what to look for in a thermostat
- Climate Master pcb need replacing?
- Munchkin Error Code
- Electrical supply for Trane XR13 (Help)
- gibson 3-1/2 ton
- Trane xl20i Freon low?
- Goodman 18 SEER replacing Carrier Synergy 2000 that had Comfort II zoning
- Carrier 58PAV070-12 with error code 31, please help!
- Goodman fan wattage?
- Best type of duct for crawl space with rodents?
- RATS!
- Carrier Infinity-Bryant Evolution packages
- Payne thoughts - and upsizing coils?
- Fresh Air Duct, Furnace Vent and Dryer Vent
- Tankless water heaters; “Flow Control", “Modulating” and “Thermostatic” ??
- New Furnace and Filtration, your help, you opinion, appreciated
- Comfortlink
- Plenum Chamber required?
- Wireless thermostat? Do they exist?
- Infinity Hi Static Press and Damper Leakage
- What Size and BTU Furnace should I buy?
- Needing a new condenser
- Trane 3 phase units
- Ruud Achiever 90 Plus burner goes out
- Configuring TStat for 2-stage heat?
- Better return arrangement?
- Trane Split System - Fit and Price?
- New Construction
- Lenox 80 MGF Working Differently
- Carrier 48GS two issues (inducer)
- Please HELP Me Identify My Unit!
- propane furnace delayed ignition
- Rheem HP
- Replace a Carrier 48GS-2003 gas pack?
- RUUD UHC-TST550CMMS stat humidity control question
- Finally got the Nordyne A/C
- Trane or Rheem Wisconsin resident?
- carrier infinity static pressure
- HELP with a Viessman control
- Tonage
- Honeywell enviracaire air purifier - buzzing noise?
- 4-Storey Town House - System Design Advice
- In a pool situation....does latent evaporation absorb sensible?
- hrv fresh air outflow connection
- Installation Freon Line Question
- Rheem -412MDMS has 'forgotten' ON-PROG
- Recommendations for South Florida AC replacement
- Fan Delay Issue With Heatpump
- what do they call the.......??
- Please help the newby
- Decision Time: what would you put in your home and why? Rheem or Trane (see details)?
- Trane HP banging noise on shut off
- Ultraviolet light
- Lennox Heat Pump - no heat, cools OK
- heating problems
- Market for Old Furnaces?
- Replacing 5-ton Carrier Heat Pump
- Questioning my contractor's installation.
- Zone Valve Dripping
- Review system replacement
- Experience with Texas Furnace Company CSA model gas furnaces?
- HSPF THE HIGHEST
- Goodman GMH95
- Help understanding old hot-water system
- Carrier Furnace Question - Comfort 95 vs. Performance 95
- New 90% furnace install
- question about air returns
- Carrier slab vs. cased coils
- Honeywell IAQ Indoor Sensor Question
- Furnace size for 830 sq ft house
- Sedna Aire Hybrid Solar A/C
- new construction dust
- Help with qualifying heat pump system
- Honeywell VisionPRO IAQ/Heat Pump question
- Winterize Guest Room
- HP - to setback or not to setback?
- IQ Drive Compressors. Neat Stuff.
- Would it be cheaper to run our GAS emergency heat?
- Trane Heat Pump...should I keep looking?
- Need professional opinion
- Purchasing from "non-dealers"
- Musty smell coming from vents...driving me crazy!
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