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anontemp123

Help deciding on new gas furnace and A/C

anontemp123
8 years ago

I hope this is not information overkill. We've been renovating this house for a while and it's finally time to install new HVAC units. Here is some background info and quotes we have received. I've tried my best to organize the information. Oddly, all vendors measured for load calculations, but no one shared their load calculations with me. Any insight would be appreciated.

1800+ sqft of conditioned space: Split-Foyer, 1200+ upper level, 600+ lower level (walkout basement)
Baltimore area
Electrical rate $0.14/kW
Unsure of what size furnace/condensor/coil we are replacing. None of the current equipment works.
Furnace will be located in middle of the lower level.
I have sealed 90% of the duct work with mastic.
I have foam sealed 70% of rim joist bays in the basement, as well as 50% of the area where the sill plate meets the foundation.
I have had the chimney repaired; it's less leaky than before.
All new OKNA 800 (Argon-filled, Low E, etc) windows.
I have sealed 50% of penetrations between the lower and upper levels (not sure if this matters.)
I plan to have the attic sealed and all new cellulose insulation installed next month.
All vendors are highly-rated on Angie's List and I have read all their reviews.

-- RHEEM/RUUD VENDOR --
Warranty: 2 year labor, 10 year manufacturer
Upgrade: Pad type humidifier with water line $485.00
Upgrade: F100 Media filter setup $150.00

92% 70K 4-speed PSC R92PA0701317MSA
2.5 Ton 14 SEER RA1430AJ1NA
2.5/3 Ton cased evaporator coil RCF3617STAMCA
$5,665.00

96% 70K 2 Stage Variable Speed U96VA0702317MSA
2.5 Ton 14 SEER RA1430AJ1NA
2.5/3 Ton cased evaporator coil RCF3617STAMCA
$6,450.00
Upgrade: 16 SEER Condensor $570

-- CARRIER VENDOR 1 --
Warranty: 1 year labor, 10 year manufacturer
Honeywell Filter Cabinet (model not specified)
Honeywell Pro 5000 Thermostat
Manual controller (what does this mean?)
Upgrade: Aprilaire Humidifier Model 600M $429

92% 60K Comfort Series 59SC2C060S14-12
2.5 Ton 14 SEER Comfort Series 24ACC430A003
2.5 Ton Evaporator Coil CNPVP3014ALA
$6448

96% 60K 2 Stage ECM Multi Speed Performance Series 59TP5A060E17-14
2.5 Ton 16 SEER Performance Series 24ACC630A003
2.5 Ton Evaporator Coil CNPVP3117ALA
$6528

-- CARRIER VENDOR 2 --
Warranty: 2 year labor, 10 year manufacturer
Carrier Small Bypass Humidifier HUMCCSBP2412
Carrier Performance Series Air Purifier PGAPAXX1625

92% 60K Comfort Series BTU59SC2B060S14-12
2.5 Ton 14 SEER Comfort Series 24ACC430A003
2.5 Ton Evaporator Coil CNPVP3014ALA
Carrier Comfort Thermostat TC-NAC01
$9677

95% 60K Comfort Series 59TP5A060S14-12 (no info online)
2.5 Ton 16 SEER 2 Stage Infinity Series 24ANB630A003
2.5 Ton Evaporator Coil CNPVP3117ALA
Carrier Programmable Thermostat TC-PAC01
$9,758

98% 60K Modulating Variable Speed Infinity Series 59MN7A060V17-14
3 Ton 21 SEER 2 Stage Infinity Series 24ANB136A003
3 Ton Evaporator Coil CNPVP3717ALA
Carrier Infinity Thermostat SYSTXCCITC01-A
$13,539

-- TRANE VENDOR 1 --
Warranty: 2 year labor, 10 year manufacturer
Cabinet Air Filter (model not specified)
Nexia 624, Touch screen, 7 Day Programmable thermostat

92% 60K 4-Speed XB90 TTUC1B060A9361A
2.5 ton 14 SEER 30K XR14 T4TTR4030B1000A
2.5 Ton Aspen Cased Evaporator Coil ACE30D44175L015
$7023

96% 60K 2 Stage Variable Speed XV95 TTUH2B060A9V3VB
2.5 Ton 16 SEER 30K XR16 T4TTR6030B1000A
2.5 Ton Aspen Cased Evaporator Coil ACE30D44175L015
$7814
Upgrade: A/C to XL16i for $425

-- TRANE VENDOR 2 --
Warranty: Unknown
Honeywell 4-inch Filter Set Up (model not specified)
Upgrade: Aprilaire Model 600 Humidifer $475.00

92% 80K 4-speed XB90 TTUC1B080A9421A
3 Ton 14 SEER 34K XR14 T4TTR4036L1000A
Cased Coil ACE36A24175L015
$5250.00

95% 80K 2 Stage Variable Speed XV95 TTUH2B080A9V3VB
3 Ton 16 SEER 36K XR16 T4TTR6036B1000A
Cased Coil ACE3644175L015
$6125.00

95% 80K 2 stage Variable Speed XV95 TTUH2B080A9V3VB
3 ton 18 SEER 2 stage 36K XL18i T4TTX8036A1000A
Cased Coil ACE48D44175L015
$8050.00

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