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Hiring A Contractor? How NATE Helps You Tell Good From BadNATE (North American Technician Excellence) is an independent, third-party non-profit certification organization for HVAC technicians. Homeowners who request NATE-certified HVAC technicians receive skilled, professional service from technicians who have proved they have working knowledge of heating, cooling, ventilation and refrigeration systems.

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New Haven , indiana , home safety , NATE-certified , home comfort , HVAC system maintenance , HVAC system installation

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"Josh diagnosed the problem with my furnace and will be saving me thousands of dollars! Thank you!"

J.
(Google Review)

★ ★ ★ ★ ★

"Nothing short of FABULOUS!!! Darian and Brandon provided us with outstanding service. They were diligent, skilled, hard workers and excellent communicators. Friendly and generous with their help, even doing a couple extra jobs to make things easier for us! And they were immaculate with clean up. Highly recommend Hartman! Professionalism and excellence all through this process!"

Susan Kanpol
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"Professional and quick! Very pleased with how fast they arrived, and fixed the problem in quick order!"

Dalton Hathaway
(Google Review)

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"Caleb was the technician who came to check out our furnace. He immediately figured out the problem. I highly recommend him"

Han H.
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"They always let me know when they are on the way and were on time - actually early! Always friendly and professional."

Joan G.
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★ ★ ★ ★ ★

"A technician came out to perform an annual service call on air conditioning/heat pump. He also made a minor adjustment to thermostat programming . He was prompt and efficient and discussed future maintenance regular service options."

Judith Botts
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"Have used this company for many years, always excellent service."

Charlene F.
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"Always friendly. They show up within the time frame they promised. They always do a great job and inform you about all they did before leaving."

John Gross
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