View Full Version : AOP Residential HVAC
- Digital Thermostats
- BTU vs. Duct work
- Duct Size and Furnace Size
- 109% efficiency
- Intake on a 90%
- American Standard AUD1C100A948-1A
- Under-fired furnace
- York residential gas furnaces
- Time to lock in my new gas rate
- Flex Duct vs Duct Board set up...preformance??
- Need Recomendation New Boiler
- wire size in heating elements
- heat strips
- sanity check on fan cntl from 2nd thermostat
- York equipement
- Hot water question Aquabooster VS on demand
- Byrant Furnace Peformance ?????
- 13 seer ht pump replacement
- Roboteq here is one for you.
- Condensing boiler vent
- 5 Ton Evap with a 3.5 ton Condenser
- Carrier furnace -minimum clearance in closet
- iq drive
- Help w/8570+700+G61MP
- Ripping Out My 4 year old Carrier Geothermal
- Quick question on temp setting for boilermate classic
- The smell is driving me nuts......
- Heat Pump or Gas Furnace?
- Manual J pros, question
- Bad Zone valve head?
- gas furnace shutting down
- Exhaust Blower Coming on, but furnace not firing
- Converting Gas home to all electric
- no heat
- Furnace Installation
- Performance check on new furnace
- TempStar T8MPL050B12A
- Help on two-stage furnace versus two-stage thermostat
- ELECTRIC OF LP - BACK TO DRAWING BOARD
- Goodman HVAC System
- 2 stage VS. Single stage gas furnaces
- standard water heater installation
- maximum length of extended plenum
- what if you don't ground the neutral
- Batteries?????
- radiant is a no go - other ideas?
- Hot and cold rooms in the winter...
- hurt on the job
- My furnace - opinions please? PICS
- Manual J for hydronic radiant floorf heat
- impact of improper venting
- Old Style Register Boot's
- Who installs vapor barriers in crawlspaces?
- $750 gas bill for January
- Heating Question
- Slow Boiler Response--ideas?
- Sears Package Unit Numbers
- garage addition heat
- 90% furnace venting
- AC Case Coils
- Noisy gas furnace
- Recommend integrated Thermostat/humidistat?
- Ruud Mod vs. Bryant 2-stage, Contractor 1 vs. 2
- Thermostat/Outdoor Sensor
- Removing a condensing unit without reclaiming ref
- After Service Call-Upstairs damper not working-HELP!
- Newmac
- Some Ruud help
- What premium can I expect to pay?
- Dimensions of coil compared to furnace/ducts
- Taco pumps
- T-stat Help
- Honeywell Thermostat (Waterfurnace flavor)
- What're the professional opinions on this new system?
- duct work in concrete slab
- Contractor offers to replace oversized furnace
- Zoning
- hvac for foam insul conditioned attic
- Trane Error Codes???
- New System
- Ruud Pressure Switches.
- Programmable thermostat for carrier heat pump 38ycb
- Flashback into burner venturis
- Computer Operating Systems
- Furnace, Filter, Coil and Duct Sealer
- Lennox extended warranty?
- Air filter loose..
- Time to replace the frurnace?
- Goodman HP ?
- Quick ?? for Robotec
- New install questions
- 17 volts coming from gas furnace transformer???
- Open Loop design aspects
- geothermal vs regular heat pump
- Dirty sock syn.
- Unico, Thermostats, 2 Speed systems...
- Which among these 5 is the best boiler?
- Aprilaire 600 Humidifier Leak
- What's the right way to control humidity in winter?
- Air Handler Unit
- lenno or rudd
- Cold Start Boiler
- Radiator is cold
- High propane usage?
- spray foam insulation ?
- How long is a "short cycle"?
- Heat excanger
- Infinity Settings
- Programmable stat for 24v heat-only
- Coil
- Why do they put these here
- Looking to buy truck ducts
- old registers
- Goodman ? whats so good about it ?
- New Home Question
- Fine Homebuilding - solar-collector-pumped HP with geothermal storage
- furnace noise at shutdown
- Two Seperate A/C units versus a single Two Stage unit
- energy recovery system.
- Can anyone recommend
- Split system manufacturing identification
- Furnace Compare
- Louver door need for high efficiency furnance with outdoor pvc vent?
- What's so good about it ?Followup
- AC foundation mounting
- New Carrier Infinity Air Conditioners - 24ANA
- Lukewarm Water
- blower motor?
- High Eff. Furnace venting
- Granite/Stone radiators. Some help here!
- Arrogant guy likes Lochinvar Knight
- New photos of an old problem
- Duct Cleaning
- dual fuel w/ dual compressor HP stat operation
- aprilaire electronic operation
- negative pressure ?
- Trane XL90 ????
- Deliberately oversizing an airconditioner
- Where is training for R-410??
- sloppy cuts of insulation for inside duct insulation
- New a/c unit, wich one?
- Ceiling registers in the basement
- Air Filter Pressure Drop
- Your expertise needed
- Design Temperature
- Fresh air with radiant heat?
- blower area rattle
- Did I buy the wrong furnace?
- Heat Pump Capacitor: need replacement?
- Hog Hair Filters
- trane, carrier
- Low humidity, humidistat, HRV, questions.
- carrier infinity
- pushing high efficiency ratings
- converting
- Problem with White Rogers Control Module
- Interlocking two air handler
- Differences in Brands
- DC variable speed compressors in residential use
- Attic Insulation
- For The Experts
- Heat Pump Replacement ?
- Robertshaw Ignition Module 780 715U
- 3.0 ton HP with 2.5 ton Air Handler
- Zoned wall furnaces?
- basement oil delievery......with Gas Heat?
- LuxAire Heat Pump
- Can this system moded to duel fuel
- Help with new furnace sizing
- Temperature drop in duct run? Geek Investigates it.
- Thermostat/controls for radiant heat.
- Inconsistent water temp
- Humidifier Opinions
- Duct Size
- 7 degree difference, any suggestions?
- ECM Blower
- Heat Pump stat terminals?
- Need help.
- Amana Ultron with Carrier FV4 okay?, other options?
- Answer 1 qn about 1-stage/2-stage FHA furnace?
- Packaged Units
- back pressure
- ignitors
- Carrier 13 SEER warranty?
- Two Questions ref Forced Air HVAC
- Electric heating options
- HVAC duct in a 50 year old slab floor
- TH8320 Stage Logic
- Which unit should I purchase
- basement air registers - open or shut during winter
- Heat pump compressor burned up
- Noisy York Affinity inducer motor on new furnace
- System Sizing Question
- Going from 6 seer to 10 seer AC--but it's a Goodman
- electric heat worrying me.suggestions please
- Armstrong Air Compak 10 - Heat Exchanger
- Mod3
- Heat Pump Compressors Shutting Off Update: Mismatched Air Handler?
- Weil Mclain D7 flame roll out
- trane problem
- capacitor match up
- Carrier Furnace
- System Design Help - Buyer's Remorse
- Size and damper control
- Lineset left open
- luxaire vs. lennox heat pump systems
- p.t.ac unit question
- Blower speeds
- Whistle at blower motor
- ceiling mounted registers
- What have I?
- Modulating/High Efficiency vs "old reliable"
- have i got a lemon???
- heater problems
- Radiant Heat, Installation Options
- Oil delivery started at 4.6 gallons on meter
- Venting an 80+ LP furnace
- what thermostat????
- Loud Carrier Furnace
- confused on HVAC choices
- insulate ducts???
- one duct system, two furnaces
- Questions for you smart guys. (NATE)
- error code
- Trane TCON803 stat?
- How small can the manufactures go?
- Are 10SEER A/C units in short supply yet?
- Capacitor rating Ruud
- Need parts help Please....
- Wall of Pride Closet Installs
- Duct/Register Placement
- heat pump vs conventional electric furnace
- Heat - Auto Fan = No On Fan = Yes
- Seer of York a/c unit
- Schools
- vacuum pump blues
- Send and Return Question
- Sizing Direct Vent Natural Gas Furnace
- Problem with Evolution Condensor Coil?
- help with dad's furnace in grayslake IL
- Wiring for electric baseboard heating
- trane heat pump
- EXTERIOR Kitchen Fan question
- Terrible odor from HVAC
- ductwork in attic
- Need Help, burner problem
- Trying to decide between the Trane XL14i and Amana RCE36C2
- Flame Sense rod questions
- New House Part 2
- Maintenance Visit
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