Type: Posts; User: owkone

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  1. Can 90-93% efficiency gas furnace be vented vertically?

    The current gas furnace is 80% efficiency. Is it possible to install a high efficiency furnace but still vent it vertically through the roof through the existing vent? The furnace is in the...
  2. Is fibreglass batting over blown-in insulation advisable?

    A recent energy audit report suggested adding insulation in the attic. The current blown-in insulation come up to the top if the joists. Is it advisable to lay fibreglass batts perpendicularly...
  3. Replies

    Re: Adding insulation in attic with ridge vent

    Keith and Phil thanks for your kind reply. I was hoping to reduce the attic temperature specially just above ceiling by trapping and redirecting the very hot air right under the roof to the ridge...
  4. Replies

    Adding insulation in attic with ridge vent

    My house is 17 years old, has a ridge and soffit vents along the whole length of the house. Attic has 24 inches of blown in insulation. I am considering following three options - which one would be...
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