D & N Heating and Cooling Technologies

02/27/2026

Brand new bard wall mounted package unit install

02/27/2026

Same job were we had to redo complete duct job,venting condensate removal on furnace and tankless water heater added returns and supply in bathroom if anyone want to now the name of the contractor from original install send me a message to help you avoid a total nightmare

02/27/2026

Same job we redid all the duct work sized correctly with a manual j done as original contractor sized duct work way to small not sealed and installed incorrectly and hung

02/27/2026

Same contractor changed one orfice from a 43 to a 44 gas pressure set at 4.25inwc installed correct orfice adjusted gas pressure to factory specs 3.5 inwc

02/27/2026

Part of a job we did redoing another contractors venting on a new install were he did it in single pipe not pitched holding condensate and goose necked towards a window our side all redone pitched and supported nice concentric outside also national grid shut this customers gas off do to a very bad gas leaks at furnace and gas stove gas piping we came in repaired and redid gas piping customer has heat

01/29/2026

Great work quick turnaround

Business swag and branding? Let KSB Kreations handle it!

D & N Heating and Cooling Technologies

01/01/2025

Old penco gas boiler replaced today glenville

01/01/2025

New install 150k utica gas boiler New years day glenville ny

03/06/2024

6hr Laars mini therm install
Amsterdam ny

11/10/2023

New carrier 96k oil furnace with a beckett
Low nox burner installed running at 84.5% efficiency