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CALEMA, LLC, operating as K&M Schillingford & Environmental Loop Service (KMS), is a Tulsa-based geothermal design-build mechanical contractor with one of the longest track records in commercial and residential ground source heat pump work in the region. Listed in the IGSHPA member directory as a dealer/contractor, KMS handles vertical and horizontal loop installation, geothermal system design, radiant floor heating, pool heating, and chilled-water systems for residential and commercial clients. The firm works across geothermal equipment brands as a design-build loop contractor rather than a single-brand dealer. Complementary offerings include solar applications, ductless mini-split systems, and boiler systems. KMS serves the greater Tulsa metropolitan area from its East Virgin Street location. Verified via kms-intl.com/geothermal-systems + IGSHPA member directory (OK bundle audit 2026-06-01)
The most experienced geothermal design-build mechanical contracting firm in the United States with a documented history of developing geothermal technology and providing education to universities, manufacturers, and government agencies.
Geothermal heat pump installations in Oklahoma require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
What geothermal loop installation options does K&M Schillingford offer in Tulsa?add
K&M Schillingford specializes in both vertical and horizontal loop installations. The system utilizes buried pipes filled with water that gather heat from the earth at a constant temperature approximately six feet below the surface, then transfers that energy to your home or building for heating, cooling, and domestic hot water.
How much can I save on my hot water bill with a geothermal system from K&M in Tulsa?add
According to K&M Schillingford, geothermal systems can provide greater than 50% savings on your hot water bill by generating free hot water in the summer and a portion in the winter through the system's heat transfer technology.
What services beyond basic heating and cooling does K&M Schillingford offer in Tulsa?add
In addition to heating and cooling, K&M Schillingford offers radiant floor heating, swimming pool heating, domestic hot water solutions, and chilled water systems for both residential and commercial properties.
Why is K&M Schillingford considered a leader in geothermal technology?add
K&M Schillingford has played an integral role in developing geothermal technology, applications, and education, and their leadership has shared knowledge with universities, technical schools, equipment manufacturers, utility companies, government agencies, and engineers nationwide.
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If you need to reach CALEMA, LLC dba: K&M Schillingford & Environmental Loop Service directly: (918) 834-7000
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Geothermal heat pump installations in Oklahoma may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
