Efficient Structures | Geothermal Heating & Cooling Contractors

Nov 4, 2025 1:24 AM

2202 Main Street
Billings, MT (Montana) 59105-4026
(406) 860-5****

Business Details

5 years Since 2010 Duane Hill (President)

Serving the Areas:	Serving Mt Wy & Nd
Products:	Geothermal Heat Pumps, Boilers, Radiant Floor Heat
Services:	Geothermal Heat Pumps, Boilers, New Construction & Retrofits, Service & Repair, Radiant Floor Heat
Specialties:	Heating
General Content:	Gas Furnace/ac., Serving Mt Wy & Nd
Sales Volume:	500K
Employee Size Range:	1-4
Franchise/Chain:	Standalone
Fortune 500:	No

Additional Categories

Efficient Structures is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Geothermal Heating & Cooling Contractors
Geothermal Heating & Cooling Equipment & Systems Dealers
Heating Contractors

North American Industry Classification System (NAICS) Categories:

Plumbing, Heating, And Air-Conditioning Contractors > Heating Contractors
Plumbing, Heating, And Air-Conditioning Contractors > Geothermal Heating & Cooling Contractors
Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Hydronic Heating Equipment > Geothermal Heating & Cooling Equipment & Systems

Standard Industry Classification (SIC) Categories:

Plumbing, Heating And Air Conditioning > Heating Contractors
Plumbing, Heating And Air Conditioning > Geothermal Heating & Cooling Contractors
Plumbing And Heating Equipment And Supplies (Hydronics) > Hydronic Heating Equipment > Geothermal Heating & Cooling Equipment & Systems

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