San Francisco window repair contractor recommendations
bruchu
10 years ago
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Circus Peanut
10 years agoRelated Discussions
Recommendations for cable railing contractor in San Francisco?
Comments (0)Hi, We're remodeling our house and looking for someone with experience installing a cable railing sysem for the stairway. Can I do this myself? What are the costs? I did see some websites and it looks like a possible DIY job. I've seen Wagner and Regal. Any recommendations? Thanks. Tommy...See MoreDIY pool - San Francisco Bay Area
Comments (3)Thanks, Chris and Ralph. Ralph- those are great and helpful pictures at your website. Do you have any of the pre-gunite stage? Chris, thanks for letting me know about your equipment. I'm doing OB so that I can afford the most state of the art equipment, though, like a variable speed pump. So, that being said, why did you choose the intelliflo? Any equipment recommendations you, Ralph or anyone else can make will be greatly appreciated. Regards, Deg...See MoreSan Francisco new HVAC system
Comments (2)I agree with Tigerdunes. A 3.5 ton AC is over sized for your house and climate. The winter and summer outdoor design temperatures for the San Francisco airport are 39F and 78F degrees. These are very mild temperatures. A 2 or 2.5 ton AC should be fine. A 60K BTU furnace may be too big, but finding something smaller is sometimes difficult. Furnaces are rated in BTUs for heating and not tons. The furnace blower is rated in CFM (cubic feet per minute of air flow) which indicates the biggest condenser that can be matched to it. If the AC is over sized, then the furnace may be over sized in order to make it a proper match. One mistake compounds a second mistake. You will be uncomfortable and waste energy. The contractors who you have spoken with are guessing at the sizes. You need to find someone who will do a load calculation. If you can't, you can do your own calculation with HVAC calc. The software is available on line for $49....See MoreMake-up air for high power range hood in old San Francisco house?
Comments (17)I didn't fully address this question: "Am I right that the MUA can actually suck external air anywhere into the house that we deem it convenient to do so as long as it starts when the range hood starts? If so, perhaps we could just do this in our laundry room, which is at the edge of the house and where the noise will not bother anyone." Short answer is yes. If the MUA system is passive (no blower), then incoming MUA will indeed be pulled into the house due to the hood system. The pressure drop will depend on the flow rate, the size of the "hole" to the outside, and filter pressure drop. (Will you design to block sparrows, or bugs, or dust?) Note that a silencer, such as Fantech makes, can be used on the MUA system just as one can and should, where room exists, be used in the hood system. In the former it would be located downstream of the MUA blower, while for the latter is would be located between hood and blower. In the passive case, the air flow automatically begins when the hood system starts. For active (with blower) MUA, a means of sensing need is needed to turn on the MUA system and to regulate its flow rate. One method is to sense current to the hood blower. Another is to sense airflow in the hood ducting. A third is to measure the difference between the inside and outside air pressure. So long as one cannot block the flow between laundry room and kitchen, then MUA intake there is OK. In such a case, it may be simpler to add heating capacity to the room as an alternative to controlled duct heating. In SF, the amount of heating required might be minimal most of the time. (Click to enlarge.)...See Morejuno2008
10 years agobruchu
10 years agojuno2008
10 years agocolumbusguy1
10 years agobruchu
10 years agoCircus Peanut
10 years agobruchu
10 years ago
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