If you are not sure where they are located then just run a google search. Perhaps you might consider looking up the yellow pages otherwise. These guys have got some high-tech tools which include infrared cameras, pressurizing fans, moisture meters and smoke blowers (or pencils).

He might even get a brand new house fan fitted to the outside doorway. It creates pressure, holding out a smoke pencil could help you understanding where you are becoming poorer. He might want to use a moisture meter to figure out extra moist places of your house. High RH or Relative Humidity can make a home's inhabitants feel uncomfortable and add to high energy costs.

Second step is to find effective solutions. I have got a problem. You have found a guy to investigate it. Now is the time to fix it. Mostly he is going to suggest solutions. Sometimes you might be able to fix it yourself or at times you might need those experts to do it for you. It may be as simple as caulking gaps on the exterior of the homes siding with a good silicone sealant and adding insulative foam electric outlet sealers to go behind your home's electrical outlet switch plates with plug in outlet covers to reduce drafts and air loss.

Other more extensive energy saving features may aid in lowering fuel costs as well. Among these are adding attic insulation, Low E glass windows, high SEER HVAC system (13 or better), tankless water heater and Energy Star appliances.

Couple example cases, this place had absolutely no insulation in the walls, though it did have a little insulation at the attic. On pier and beam with hardwood floors, there was no insulation underneath the home as well. On acting on the experts suggestion, believe it or not, the gas and electricity bills dropped down. It's a perfect way to check your energy efficiency.

This expert is going to help you determine how to modify your house into an energy effective place which conserves energy. She conducted another audit on this one model 2 story with zoned HVAC. There was one heater and an aircon unit at all levels. At this audit, she learned more about the way air flow works. Apparently if you leave the bedroom doors open, then the HVAC is going to work better. So if you get an expert, he is going to help you modify older homes in energy effective, even though they weren't meant to be that way.