We've used the Freeze Alarm for over 10 years with no issues at all (got ours at a discount from NHEC). It has saved us a few times with long power outages. Just need to have a phone line available. If phone is out, chances are the power is out as well. In addition, my oil tank is in a dark crawl space. Was stumped for a while as to how to monitor oil tank levels until I found a D-link camera with night vision. I have it set right on the oil tank gage and can easily call up the camera from anywhere in the world in an instant. The cameras are cheap and really work well. We have a Mitsubishi mini split heat system in addition to FHW baseboard. We can also monitor the temperature remotely with this system and can adjust heat levels depending on when we are visiting, etc. etc. Lots of ways to solve the issues. I think the Home Insp. services are okay, but checking once a week can leave a lot of holes. IMHO, they work best if you are a long way away...for us a trip is less than 2 hours to check if things look questionable.
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