I had a NH energy star audit performed on my house recently. I paid $100 for about 3 hours worth of work and if I institute any of the recomended changes, I get the $100 back. The utility also subsidizes any upgrades to the tune of 50%. In order to qualify, the house needs to use more energy than the current code. They do consider wood usage as well as oil or natural gas as long as you have records. They didnt really question me on wood usage as I cut and split my own. I have a reasonably new and tight house so most folks would be able to qualify. There are three primary tasks to the audit. Set up a blower door and negatively pressurize the house and determine the leakage into house at a fixed static pressure. Once the door is setup, the auditor roams the house looking for air leaks primarilly on exterior walls. I did pretty well on the air leakage test with my leakage ending up at 80% of the recomended. Not enough for a heat exchanger but a recomendation to install a new bathroom fan with timer. I did get a fair share of leakage through some of my outlets, definitely some on my concrete sills and along one interior knee wall that was not sealed to the floor. Despite some insulation on my whole house fan, I got significant leakage which is going to require a wooden box to be installed in the attic. I also had a couple of recessed can lights that need draft proofing Test oil boiler efficiency - this is a standard boiler test done every year during tune up. I got 84% which is in the range of prior tests Attic and crawl space inspection - This basically determined if there is a need for addtional insulation. Only part of my house is finished on the second floor which presented some challenges. The auditor really likes foam as opposed to fiberglass. I also have a knee wall on 3/4 of the attic that was insulated, the auditor recomended foaming the exterior roof in this area (after installation of proper vents) rather than the knee wall. They also recomended spraying foam along the upper edge of the wall in the soffit vents (obviously without blocking them). There are additional items on the audit including appliance efficiency standards. I have energy star appliances so we didnt spend a lot of time on it. I also have solar hot water so we didnt spend a lot of time on hot water. I will get a written report in two weeks and an itemized estimate for upgrades. I was planning on getting my sills foamed but previously that was too small of a job to get a contractor on site at a reasonable cost, I expect if the price is right I will more get foam done and consider replacing the exhaust fan and recessed lights. Obviously it depends on the contractor markup. One of the concerns is that the utility will only work with certain contractors, so are they going to mark up the work higher than then going rate? Overall a worthwhile but not that surprising results so far. If I can justify getting a foam contractor on site and getting some foam sprayed with a 50% rebate without an outrageous markup its going to be worth the audit.