Thanks to everyone who sent in suggestions and referrals for my question about weatherproofing.  There are quite a few good suggestions.  I received several requests to post all the recommendations back to the list.  Happy New Year. Max Junker -We used cotton batting insulation from Artemis on Butler St. in Lawrenceville. Something I have heard many people say is worthwhile is having an energy audit done by a qualified firm. I only know of Conservation Consultants Inc. on the S. Side, but I'm sure there are others. Green Building Alliance might have a couple recommendations and might also have something to say on the best insulation, etc. On second thought, I do remember a firm that specialized in insulation and weather-sealing. InsulRight or InsulLight or something like that.   -Last year I had a home energy audit done. See more here: http://www.pahomeenergy.com/resources.html. That's a state agency and they were very helpful to me. They also have a list of approved auditors. I ended up using West Penn Energy Solutions: http://www.westpennenergysolutions.com/   I liked the guy (Michael) a lot and he did a good job. But it is true that he focused on the areas that he works in, namely, insulation. I did get insulation done in the basement and attic (since I have brick walls and there's not much they can do with that). It was expensive, but it has made a tremendous difference both to my heating bill as well as to my comfort level in the house. But I think, regardless of what some people say, that it's important also to replace some windows and doors.  I would recommend the home energy audit. Many people suggested that I use the local non-profit, the name of which I can't remember. I did use them at first but I did not have a good experience with them. Luckily, the state agency helped me with that. It's all a very long story that I'd be happy to tell you about on the phone if you're interested. Just give me a call.   -You might want to call Conservation Consultants on the South Side. If you aren't familiar with them, they are a wonderful organization. http://www.ccicenter.org/  They do energy audits and even if you don't wish to have that done, they could probably provide a recommendation for a contractor. Kevin said he knows of a couple of people (including one on Greystone) that have used USA Insulation and they were very happy. They blow foam insulation into the walls but Kevin said he thinks it is pretty permanent and maybe not the best solution if, for instance, you want to update your electrical sometime in the future. I would really try to give CCI a call. They are incredibly helpful and knowledgeable.   -Anthony Robinson  412 403 4857   -Mincin Insulation did a great job in our attic, and they are very reliable, lots of people I know were very pleased with them too.  http://www.mincin-insulation.com/   -Not for weather proofing but for most other items around the house OCEAN BREEZE Home  Improvements  412-805-5602    -Hi Robert, I know that zambano and sons do this. They are based out of bloomfield.   -If interested, I can give you some suggestion on insulation and weatherproofing for your home. My name is Lindel Hodge I am a small contractor in the area, I've done many jobs in Highland Park and East Liberty. If interested I can be reached at (412)731-1496  (412)731-1496 or email: lhodge4@verizon.net   -Robert, I am a local contractor and can come give you suggestions about the best way to stop drafts and make your house more energy efficient. Give me a call  412-441-4240 (H)  412-853-7782 (C) or e-mail me at rsellner@comcast.net. Thanks, Rad Sellner