HVAC Tips

NGH’s New 115V Air Handler

•  A2L

Hear from NGH Residential Product Manager, Dan Ayres, about our new MB7EM 115V Air Handler!

A2L Install Considerations

•  A2L

NGH Technical Service Advisor, Jacob David, discusses a few considerations when installing equipment with an A2L refrigerant.

A2L Brazing Procedures

•  A2L

Hear important tips from Jerome Smith, an NGH Technical Service Advisor, about brazing a system using A2L refrigerants.

A2L Leak Mitigation Process

•  A2L

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A2L Sensor 101

•  A2L

Jerome Smith, NGH Technical Service Advisor, gives a high level overview of our leak mitigation sensor operation.

A2L Changes to Rules and Regulations

•  A2L

Learn from NGH Technical Service Advisor, Jacob David, about important changes to rules and regulations with A2L.

What is R454B?

•  A2L

Learn from Jerome Smith, NGH Technical Service Advisor, about the characteristics, installation considerations, and references on where to find more information ...

Talking to Homeowners about A2L

•  A2L

Jacob David, NGH Technical Service Advisor, provides some guidance on how to talk to homeowners about A2L.

What is an A2L?

•  A2L

Jerome Smith, NGH Technical Service Advisor, talks about what an A2L refrigerant is and explains the refrigerant classifications.

OL is Not an Ohm Reading

•  AC,  Troubleshooting,  Maintenance,  Installation