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Our Services

Heating Systems

Forced Hot Air, Heat Pumps and  Hydro air

See the difference 

Watch and learn about heat pump technology

Air Condtitioning

There are two main types of A/C systems, Central Air and Ductless Units 


Get the Info

Great tips to help you decide


We Provide ventilation systems for bathrooms, dryers and fresh air for better air quality.

Both new and existing homes require mechanical ventilation to maintain indoor air quality.

There are four basic mechanical whole house systems. Do you know what they are?


                        Let's find out


Mass Save Program / National Grid
Commercial and Residential Projects

We are a fully accredited Mass Save Partner. 

Mass Save offers great programs to save you money on Heating and Cooling Systems.

Click the link below to start saving today.

Mass Save Heating and Cooling


Rebates and forms


National Grid Rebates

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G&N Provides the highest quality serivces for both residental and commerical projects. No job is too big or small

Ask for a quote!

Commerical and Residental Projects
HVAC Maintenance

Maintaining your HVAC system is very important. The better you maintain your system the longer it will last. The general rule of thumb is one tune-up before heating season (winter) and one tune-up before cooling season (summer)


      Tips for making your systems work better

Schedule a Tune-up

Ask for a service contract

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