Heater stopped working? Anyone konws good repairman?

I thought heater (暖气) problem should have nothing to do with my computer's chinese input method, but somehow, i can not type out chinese.
My home when I turn on heater, the fan picked up, but no fire comes on. It is an electrical ignition furnace, I checked the power, gas line, seems no problem. I don't know what else I can check.
So, what should I do?
Or does anyone know a good repairman? I am living in Alpharetta area.

Thanks.

http://homerepair.about.com/od/h ... furn_electr_ign.htm

Try buy the part in Fox Appliance, 770-446-8446.

中文报纸有修空调的。邵师傅，电话：678-524-9910

我家暖气最近也出现问题了，好像根本就没有点火。

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The HSI (Hot Surface Ignitor) can be checked in the furnace. Simply unplug it and ohm out the wires.

45 to 95 ohms – Good

110 ohms and above – Cracked

I just replaced a control board myself. Furnace is not hard to work on. I always try do it yourself.

我察看了一下我家的那个， 那个HSI好像根本就没有发光， 他应该是像电灯丝那样热起来发红然后点着gas的吧？我家那个马达转啦半天hsi没有任何反应。
另外我尝试着直接用个lighter手动点火，也没有任何反应， 照理说如果其他每问题的话手动点火不久可以取代那个hsi吗？

应该不能手动代替，有感应器控制如果HSI不热煤气开关不打开。不然的话，HSI坏了，煤气开关照常打开，会闯大祸。

那回头我再仔细测测hsi的电阻。 如果是要换ignitor, 是不是只有网上才可以买到？local的hd和lowes好像都没有查到呢。

My suggestion is to find a professional help if you don't know what you are doing.  plus, you should always check your heater a few weeks b4 it gets cold and ac a few weeks b4 it ges hot.  then you can call the hvac guys to fix any problem b4 you need to use them when they are not as busy.  It is all about planning ahead.  If you really want worry free, have a service contract with your hvac company and have them to do annual check for you.

和煤气打交道还是请专家吧！不值得冒个漏气的风险。