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The installation of a high-efficiency boiler may require the installation of a new chimney liner.

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Question: The installation of a high-efficiency boiler may require the installation of a new chimney liner.
Top Answer (76% of 26 votes): True.

Answer: True
Explanation: Some chimney at to big for modern day gas appliance's so you will need a liner to get it to draft properly and safely.
Arizona's Best Heating & AC, Inc.
Answer: False
Explanation: High effecient equipment is now normally a condensing cumbustion system and will need to be vented with PVC pipe. Where you may use the old chimney as a chase I prefer to run a didicated flue, sometimes horizontally.
Air Connection
Answer: True
Explanation: Some new units the vent be stainless. There are some use PVC.
Pacific Service Company
Answer: True
Explanation: chimney liner or even a new flue pipe made of PVC
HVAC and More
Answer: True
Explanation: In many cases a new chimney liner is needed because of brittle and decaying chimneys.
Dr Heat & Cool Comfort Experts
Answer: True
Explanation: They may need a liner. Some require direct vent with stainless or PVC.
Kohler Heating and Air Conditioning
Answer: True
Explanation: Have to consider condition of liner and what the equipment is calling for. Low flue temps on the high efficiency can cause problems.
LPC Services Inc.
Answer: True
Explanation: Because more of the heat is being absorbed by the boiler and less wasted up the chimney, the higher efficiency the gas appliance the greater chance that it will condense in the chimney as it meets the cold air. This becomes a big problem for clay lined chimneys, as it will damage them over a period of time. Typically the chimney is lined or the appliance is direct vented outside and the existing chimney is not used.
123HVAC of Long Island
Answer: False
Explanation: venting is usually done through the walls
H.O. Electric
Answer: True
Explanation: This will ensure that the area is properly ventilated.
MJ Services
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