http://blog.maxdunn.com/articles/2008/01/22/hot-tub-energy-electric-vs-gas en-us 40 Max Dunn's Personal Blog <p>Nowadays, if you are looking to install a hot tub, your only option is likely to be a hot tub that heats with electricity. The salesman will tell you that they are very well insulated (which they are) and that it will only cost about $30 per month of electricity to heat it (which is possible but optimistic.) Let&#8217;s look at the math and physics behind this.</p> Tue, 22 Jan 2008 14:38:00 -0800 urn:uuid:43523a9e-bc34-40f7-89d1-4f67e50b3516 Max Dunn http://blog.maxdunn.com/articles/2008/01/22/hot-tub-energy-electric-vs-gas Global Warming Peak Oil <p>Great analysis! Now if only the manufacturers would give us a gas fired option. Or a retrofit kit. By the way, my top tier electricity (&gt;300% baseline) is about $0.22/kWh &#8211; so about $60/month.</p> Tue, 22 Jan 2008 16:45:23 -0800 urn:uuid:0080811f-06d7-4462-83f4-4225e89f6b33 http://blog.maxdunn.com/articles/2008/01/22/hot-tub-energy-electric-vs-gas#comment-464