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  1. #1
    Join Date
    Nov 2005
    Benicia, CA
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    I live in the Bay Area and want to replace my gas furnace. It was installed when my 1340 sq.ft. house was built in 1978. I don't have A.C. A new state regulation became effective October 1st requiring homeowners in my town to purchase a high-efficiency furnace or have the duct work inspected, and if necessary, sealed.

    I have three bids, ranging from $X to 1.5 times $X. They all recommend the high-efficiency furnaces to avoid the duct-work requirement - which they all say can be more expensive than the furnace. Manufacturers range from Amana Multi-Speed (AMS9), RUUD Achiever 90+, Carrier Comfort 92, and a TRANE.

    Comsumer Reports has not tested gas furnaces in recent memory and essentially advises consumers to do their homework, get three bids and check references. It also says that the high efficiency condensing furnaces are more complex and more prone to problems. I have never had any problem with the existing furnace.

    If references check out, I'm inclined to go with the Amana or the RUUD. Is there anything else I should know?

  2. #2
    Join Date
    Apr 2003
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    Forget about Consumer Reports!

    Find a reputable HVAC Company that will perform a load calculation to size the equipment properly. Then make sure they evaluate you ducting to assure it will handle the required airflow. Proper installation and set-up is the key to a systems longevity, efficiency, and comfort.

    So, forget about the brand of equipment and find the best installer you can find!

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