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Two Story

Is a one story home typically more energy efficient than a two story?

Interested in homes built in late 1990s to present. I have always noticed how the upstairs in a two story home is always significantly warmer that the downstairs. This does not appear to be efficient.

I live in south Texas and have been concerned, but I've never seen a general rule about whether one or two stories are 'better'. What you are describing is more of a problem with HVAC installation or ceiling insulation. I am not an engineer or even an air conditioner salesman though. I think it's fair to say that the top story is harder to heat and cool. In a one story house everything is less effficent and the a/c works harder. In a two story house, at least half is efficient because the lower story has a heated and cooled buffer story against the sun and wind. The south or west side of the house has this problem too unless the a/c contractor is competent enough to compensate.

Look, a cave is generally 65-70 degrees. To me, that's efficient. Because you don't need to heat or cool it. The reason is that the cave has many feet of insulation against the sun or cold. The point is minimize exposure to the elements. So, concentrate on other factors like location, size and price and insulate the roof if you like the house.

Installing seperate systems for upstairs and downstairs lets you cool the downstairs living area in the day and the upstairs bedrooms at night when the sun is not beating down on them. This is more comfortable and saves energy and money, too.

Take advantage of your electric company's conservation program and any tax credits. In the house I bought, the attic vents and fan needed repair. Attics almost never have the EPA recomended amount of insulation. Sometimes the upstairs a/c is leaking air you paid to cool into the hot attic and needs repair. This is especially true in 10-20 year old houses because contractors use cheap plastic ducts knowing they save up front costs and will last long enough for the first owner. However, the lower price is not worth it after a few years because they crumble from heat and age and they leak cool air into the attic so the a/c has to run longer to get enough cool air into the living area.

A later owner then fixes them with higher quality plastic or metal better insulated ducts that last . It usually pays for itself in a very few years.

A ten to twenty year old house is a prime candidate for an a/c system repair/ upgrade. Ask the bank to borrow some extra money for unanticipated costs when you buy it and you can deduct the interest on your taxes.

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Faller 232328 N Gauge Two Story Home With Shutters  NEW original packaging
Faller 232328 N Gauge Two Story Home With Shutters NEW original packaging
$16.88
N Scaled Large Two Story Lodge Home House Attic Plastic Train Building Built
N Scaled Large Two Story Lodge Home House Attic Plastic Train Building Built
$1.99
Lot 10 22  N Scale AHM kit No 25505  Two Story Brick Building  Sealed
Lot 10 22 N Scale AHM kit No 25505 Two Story Brick Building Sealed
$15.00
Model Power N Gauge Kit Two Story Building 1514
Model Power N Gauge Kit Two Story Building 1514
$25.00
AMERICAN MODEL BUILDERS SANTA FE TWO STORY DEPOT
AMERICAN MODEL BUILDERS SANTA FE TWO STORY DEPOT
$24.95
Bachmann N Scale Two Story House Lighted
Bachmann N Scale Two Story House Lighted
$4.25
N Scale Model Power 1514 Two Story Building With Pool and Swing Set Building Kit
N Scale Model Power 1514 Two Story Building With Pool and Swing Set Building Kit
$9.95
N SCALE PRE OWNED ASSEMBLED TWO STORY FARMHOUSE BUILDING w PERSON
N SCALE PRE OWNED ASSEMBLED TWO STORY FARMHOUSE BUILDING w PERSON
$10.00
N SCALE PRE OWNED ASSEMBLED TWO STORY BLUE SINGLE FAMILY HOME
N SCALE PRE OWNED ASSEMBLED TWO STORY BLUE SINGLE FAMILY HOME
$4.00
232328 Faller N Scale 1160 Kit of a Two storey home with shutters NEW
232328 Faller N Scale 1160 Kit of a Two storey home with shutters NEW
$17.95
N Gauge Scale Two Storey House Estate Sale 5
N Gauge Scale Two Storey House Estate Sale 5
$27.73
N Scale Laser Cut 20th Avenue Two Story House Kit
N Scale Laser Cut 20th Avenue Two Story House Kit
$15.95
DPM 60123 N Two Story 6 Windows pkg 3
DPM 60123 N Two Story 6 Windows pkg 3
$8.80
N SCALE RAILROAD Two Story Building
N SCALE RAILROAD Two Story Building
$10.99
N SCALE BUILDING TWO STORY WEATHERED
N SCALE BUILDING TWO STORY WEATHERED
$5.50
N SCALE BUILDING TWO STORY WEATHERED
N SCALE BUILDING TWO STORY WEATHERED
$8.00
New KATO N Scale 1 150  23 402C DioTown Two story Building Apartment
New KATO N Scale 1 150 23 402C DioTown Two story Building Apartment
$31.93
640 American Model Builders N Scale Two Story Farmhouse With Front Porch
640 American Model Builders N Scale Two Story Farmhouse With Front Porch
$15.00
FALLER KIBRI N SCALE DB SBB SMALL TWO STORY COUNTRY FARM HOUSE MODEL x3 SET 3 mv
FALLER KIBRI N SCALE DB SBB SMALL TWO STORY COUNTRY FARM HOUSE MODEL x3 SET 3 mv
$34.03
Bachmann N Scale Two Story House w Garage 2 with LED Lighting
Bachmann N Scale Two Story House w Garage 2 with LED Lighting
$9.99
Bachmann N Scale Two Story House w Garage 1 with LED Lighting
Bachmann N Scale Two Story House w Garage 1 with LED Lighting
$14.99
MAINSTREET MODELS N SCALE TWO LOW RELIEF THREE STORY GEORGIAN BUILDINGS
MAINSTREET MODELS N SCALE TWO LOW RELIEF THREE STORY GEORGIAN BUILDINGS
$12.00
NEW N scale Two Storey TIRE FACTORY Building KIT
NEW N scale Two Storey TIRE FACTORY Building KIT
$21.95
Bachmann N Scale Two Story House No45813 For N Scale Layouts Brand New In Box
Bachmann N Scale Two Story House No45813 For N Scale Layouts Brand New In Box
$17.50
NEW  N scale Faller TWO STOREY STUCCO HOUSE  Building KIT  232329
NEW N scale Faller TWO STOREY STUCCO HOUSE Building KIT 232329
$22.50
N SCALE Model Power TWO STORY MANSION WITH POOL
N SCALE Model Power TWO STORY MANSION WITH POOL
$15.89
TWO STORY BUILDING KIT N Scale Model Power New 1514
TWO STORY BUILDING KIT N Scale Model Power New 1514
$23.10
American Model Builders Inc N 676 SP Type 22 Two Story Combination Depot Kit
American Model Builders Inc N 676 SP Type 22 Two Story Combination Depot Kit
$84.95
Vintage Hoffman Nr 509 Two Story House EUC
Vintage Hoffman Nr 509 Two Story House EUC
$7.49
N Scale BACHMANN PLASTICVILLE TWO STORY HOUSE 45813
N Scale BACHMANN PLASTICVILLE TWO STORY HOUSE 45813
$19.99
Wild West Scale Models 119 N Two Story Outhouse
Wild West Scale Models 119 N Two Story Outhouse
$5.17
N SCALE PRE OWNED ASSEMBLED TWO STORY HOME w BACKYARD FENCE  DOG FIGURE
N SCALE PRE OWNED ASSEMBLED TWO STORY HOME w BACKYARD FENCE DOG FIGURE
$0.99
Kato 23 482 N Scale Two Story Hip Roof House DioTown
Kato 23 482 N Scale Two Story Hip Roof House DioTown
$29.95
232329 Faller N Scale 1160 Kit of a Two storey home NEW
232329 Faller N Scale 1160 Kit of a Two storey home NEW
$16.95
N Scale Two Story House with Outdoor Prayer Meeting
N Scale Two Story House with Outdoor Prayer Meeting
$16.99
New KATO N Scale 23 402C 1 150 DioTown Two story Building Apartment Gray
New KATO N Scale 23 402C 1 150 DioTown Two story Building Apartment Gray
$34.43
Pikestuff N Scale 541 8010 Two Story Office Building NIB
Pikestuff N Scale 541 8010 Two Story Office Building NIB
$16.95
FALLER KIBRI N SCALE DB SBB SMALL TWO STORY COUNTRY FARM HOUSE MODEL x3 SET 2 mv
FALLER KIBRI N SCALE DB SBB SMALL TWO STORY COUNTRY FARM HOUSE MODEL x3 SET 2 mv
$34.03
DPM 60123 N Scale Modular Unit 3 Two Story Walls w 6 windows model trains New
DPM 60123 N Scale Modular Unit 3 Two Story Walls w 6 windows model trains New
$8.19
N Pikestuff kit 541 8010  Two Story Office Building  NIB
N Pikestuff kit 541 8010 Two Story Office Building NIB
$15.16


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