Heating & Air-Conditioning Contractor - Princeton, NJ

Michael J. Messick is a Full-Service Residential & Commercial Heating & Air-Conditioning Contractor Serving Central New Jersey and Eastern Pennsylvania

We service and install Humidifiers, Warm Air Furnaces, Baseboard Heat, Steam and Hot Water Boilers. We do Oil to Gas conversions. We can service your Central Air Conditioning or install a new system if needed.


We area always on call for 24 Hour Emergency Service!



Here are some brands we carry:




Proudly Serving a 30 mile radius of Lambertville, NJ, including:


Annandale, Asbury, Bedminster, Belle Mead, Bordentown, Branchburg, Bridgewater, Clinton, Cranbury, East Windsor, Ewing, Flemington, Franklin Park, Franklin Township, Frenchtown, Glen Gardner, Hamilton, Hampton, High Bridge, Hillsborough, Hopewell, Kendall Park, Kingston, Lambertville, Lawrenceville, Lebanon, Mercerville, Milford, Monmouth Junction, North Brunswick, Pennington, Pittstown, Plainsboro, Princeton, Quakertown, Ringoes, Robbinsville, Rocky Hill, Rosemont, Sergeantsville, Skillman, Somerset, Stockton, Three Bridges, Titusville, Trenton, West Windsor, Whitehouse Station, Yardville.

Eastern Pennsylvania's Bucks County including Buckingham, Carversville, Doylestown, Lahaska, Point Pleasant, Solebury, Warrington, Yardley.