James Onze Plumbing & Heating

CALL US TODAY! (203) 876-7875
(203) 366-0205
Serving Fairfield and New Haven Counties in Connecticut

Fairfield and New Haven Counties Oil to Gas Conversion Experts

There has never been a better time to convert your heating and hot water system from oil to gas. North American production of natural gas is increasing and has provided a stable and regulated pricing structure. Today's gas equipment is unmatched in safety, efficiency, reliability and design. James Onze Plumbing & Heating has the experience, expertise and ability to make the conversion of your heating system a timely and trouble free home improvement.       

I'm not converting my system, but when should I replace my existing oil or gas equipment?

Oil and gas boilers as little as ten years old were designed and built with little change from the systems that were installed in the 1950's. Even with the 1970's oil embargo and the every increasing cost of oil  the equipment's improvements were minimal. Today is another story! Efficiency and operational improvements are in demand and manufacturers have answered abundantly. Lower heating and hot water cost are readily available with modernized equipment.   

Call Jim at 203-876-7875 for your no cost heating and hot water system evaluation. 

Our Plumbing Services Include:

Our Heating Services Include:

  • Low Water-Pressure Problems
  • Leaks and Drips
  • Faucets
  • Tankless Water Heaters
  • Toilets including water conserving models
  • Whole House Water Filtration Systems
  • Repairs
  • Remodeling
  • New Construction
  • Gas Oil and Electric Water Heaters 
  • New Drain Installations
  • Appliance Connections 
  • ... and more!
  • Oil and Gas Boiler Installations 
  • Gas Piping
  • Oil Tank Removal and Replacement
  • Heating System Repairs
  • Radiant Floor Heating
  • Snow Melt Systems
  • Ultra High Efficiency Boiler Replacements
  • Heat Loss Calculations
  • Heating System Design Consultations 
  • Hydro-Air Piping  
  • ...and more! 

Our Primary Service Area

New Haven, Bridgeport, Westport, Hamden, Fairfield, Stratford, East Haven, Milford, Shelton, Stepney, Tokeneke, Trumbull

Licensed and Insured

Plumbing License P-1 203997
Heating License S-5 308579

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