The Library needs an upgrade to our HVAC system, so we have issued a "Request for Proposal." Information and specifications my be found here, or at the Library.
Now is a good time to start thinking about your home heating system. Cold weather shouldn't be moving in for three or four months (if we're lucky), so you can get a good head start on upgrading it or cleaning/repairing it.
You also may want to explore how well your home is insulated and weatherproofed. Weatherproofing [693.89 WEA] or Insulate and Weatherize: Expert Advice from Start to Finish by Bruce Harley [693.8 HAR] will start you off on the path to a comfortable 2015-2016 winter season.
Feel the need to start making the switch to renewable energy sources? If so, look for The Homeowner's Energy Handbook: Your Guide to Getting Off the Grid by Paul Scheckel [696 SCH]. This book also covers insulating.