Commercial Heating, Ventilation, Air Conditioning and Refrigeration Service Contractor and Boiler Installer

In business for 32 years, the D.J. McConnell Co. specializes in Full Service Commercial Heating and Air Conditioning. We can provide Emergency Service as well as Planned Preventive Maintenance for your Comfort Systems in your office, store, building or plant. Our business is built on the principles of Honesty, Integrity and Loyalty. We provide Service, Installation, Replacement and Retrofit of all types of HVAC and Refrigeration equipment. We Specialize in Old Buildings! We Love working...

In business for 32 years, the D.J. McConnell Co. specializes in Full Service Commercial Heating and Air Conditioning. We can provide Emergency Service as well as Planned Preventive Maintenance for your Comfort Systems in your office, store, building or plant. Our business is built on the principles of Honesty, Integrity and Loyalty. We provide Service, Installation, Replacement and Retrofit of all types of HVAC and Refrigeration equipment. We Specialize in Old Buildings! We Love working on Antique Steam, Hot Water and Boiler Systems. David McConnell holds an Unlimited Mechanical Contractors License and an Unlimited Low Pressure Boiler Installer License. The D.J. McConnell Co. HVAC Services is Fully Insured, Knowledgeable and Good to work with.