Repair & Replacement

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NHG was founded by CIS to service HVAC, Refrigeration, Electrical, and Well Pump repairs and installations nationally, especially for unique situations. NHG has the expertise in all aspects of heating ventilation and air conditioning including boilers and chillers for commercial and residential applications.

NHG staff has a combined experience of over 130 years of technical and installation expertise. From larger retail buildings to religious facilities to homes, NHG has the knowledge to get the job done accurately and fast.

NHG has assembled the largest network of qualified licensed HVAC/R contractors in the USA. We utilizes this national network of technicians to ensure we provide an unmatched customer service for any HVAC issue. These companies have met our stringent qualifications with respect to ability, organization, man-power and stability. To date, these companies have performed thousands of inspections, repairs and new equipment installations for NHG.

NHG staff is committed to deliver the highest quality of HVAC repair or replacement. Knowledgeable about current technologies, budgets, schedules and our client’s priorities, NHG staff strive for perfection in service, communication and equipment.

NHG Electrical Repair And Replacement
Electrical Repair And Replacement

From the breaker panel to the outlets, NHG contractors are readily available nationwide to repair and replace even the most complicated Electrical situations. 

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NHG HVAC Repair And Replacement
HVAC Repair And Replacement

HVAC and Refrigeration assignments call for a variety of equipment types to be repaired or replaced and NHG has the tools and knowledge to work on them nationwide.

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NHG Temporary Electrical Generator Unit
Temporary Cooling, Heating, And Electrical

If you find yourself without air, heat, or power for an extended period of time, look no farther than NHG to provide temporary relief.

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