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Heating Equipment

Sherman Oil is a proud supplier of high-quality boilers, furnaces, and water heating systems. Below is a list of our recommended products. If you’re interested in learning more about these products, or if you’d like to schedule an installation, please contact us. (If you’re interested in a heating or hot water system from a manufacturer that isn’t listed below, we’re certainly happy to help.)


Heating Systems

Peerless Forced Hot Water and Steam Boilers

  • ENERGY STAR® rated
  • Clean burning
  • Flame retention burners
  • Quiet in operation
  • Low profile/compact design
  • Comprehensive warranty

Buderus Boilers

  • ENERGY STAR® rated
  • AFUEs of 87%
  • Environmentally friendly
  • Ultra-efficient

Olsen Warm Air Furnaces

  • Achieves 85%+ AFUE with Variable Speed Motor
  • ENERGY STAR® rated (select models)
  • Limited lifetime warranty/extended warranty (select models)
  • Reliable and efficient
  • Easy installation & maintenance

Mitsubishi Hyper-Heat Systems (Mini-Split with Heat Pump)

  • ENERGY STAR® rated
  • Enhanced compressor system to deliver heat down to -13° F
  • Zoned temperature control
  • Easy installation

Water Heaters

Crown Mega-Stor Indirect Water Heater

  • Powered by heating capacity of any boiler system
  • Stainless steel tanks and coil come with a lifetime guarantee
  • Adjustable aquastat
  • Dent resistant high-impact plastic shell

Bock Water Heaters

  • Residential and commercial models available
  • 32 to 113 gallon capacities
  • 104,000 to 623,000 BTU/H
  • Energy-saving Turbofins conduct more heat into water
  • Energy efficient
  • Five-year limited warranty on residential installations, three-year limited warranty on commercial installations

Hydrolevel Aquastat for Smart Controls

  • Superior temperature limit control
  • Cold start or warm start