Wood Gasification
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Our boilers are the core component of some of the most efficient heating systems in the world. Over 97% Efficiency!*  

Discounts Available on Selected Models, Call Today!!

Get off the propane roller coaster!

Order a Coal Gun or Wood Gun today. Call (717) 987-0099

A boiler or hydronic heater from Alternate Heating Systems can save you as much as 70% on your heating costs while reducing dependence on imported fuels! You have the option to completely eliminate your use of oil, natural gas or propane, or replace a large percentage of that usage with wood, biomass, coal or waste oil.


  • Protect yourself from inflation in fuel costs
  • Promote your financial security and reduce dependence on "foreign fuel"
  • Increase the value of your home
  • Increase the comfort level of your home
  • Heat a pool or spa
  • Provide process hot water for a car wash
  • Heat a greenhouse
  • Heat your Business



Alternate Heating Systems has been making the best solid fuel boilers and hydronic heaters in the world for over 33 years. Our final assembly facility is located in Harrisonville, Pennsylvania, USA. Whatever you need to heat – your home, shop, farm building, greenhouse or commercial building, AHS has a boiler or hydronic heater to meet your needs. Choose whatever fuel source is least expensive in your area, visit our fuel cost comparison page, and calculate your savings! We can help you with your decision. Use our contact form or give us a call today!

Announcing the Winner of Our YouTube Video Contest

Dave Eshbaugh of Pennsylvania is the winner of our contest for November, and will be receiving a $200 certificate toward any purchase from Alternate Heating Systems. Look here for our next contest. Certificates do not have expiration dates!

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  *Based on LHV

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