Heat loss? I live in Michigan. Who would I ring to come into...

I live in Michigan. Who would I ring to come into my home to get an analysis of why I'm losing, or where on earth I'm losing so much indoor heat?
Where do I find the year of fabrication...
Answers:    It is really pretty natural. You can find online energy analysis. You could hire a certified home vim rater or a good hvac contractor. You can start at the nouns calculation page at my source.
Hot hose down cistern broke and flooded vault...
For insulating your home ,use removal glazing polish all UN used doors and pane during winter ,will help to collect money and focus heat inside.