The Old Model Toyotomi Oil Miser OM-23 is now the Laser 531 and one of the most fuel efficient heating systems in the world today. Its special stainless steel heat exchanger carries the highest efficiency code and an 87.0% (AFUE) rating. The cost to operate a Toyotomi Laser 531 oil heating system is so economical that many owners enjoy annual savings of up to 70% over electric heating 60% over propane heating and 40% over traditional oil and natural gas heating systems. The Oil Miser pays for itself in fuel savings in just a few short years.
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Product Spec Sheet
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