Ralph P. Sita, Inc.

Ralph P. Sita, Inc. Residential & Commercial HVAC - Keeping you comfortable all year long! Ralph P. Sita, Inc.

is a local, family owned and operated full service residential, industrial, and commercial heating, ventilation, and air conditioning contractor with over 41 years of experience in the industry. Located in Calvert County, Maryland we serve the District of Columbia, Virginia areas, as well as local Maryland counties, including but not limited to: Calvert, St. Mary's, Anne Arundel, Prince George's,

Howard, Montgomery, and Queen Anne's. is a union contractor with personnel trained and supplied by the Steamfitters Local Union #602. We design, install, and service pneumatic controls, mechanical equipment, heating and air conditioning, and offer full commercial and residential preventative maintenance service contracts. We also specialize in custom duct work systems, fan coil replacements, and boilers. is fully licensed and insured in Maryland, Virginia, and Washington, DC.

We're taking a break to celebrate Independence Day! Have a safe and happy holiday weekend! 🇺🇸
07/03/2026

We're taking a break to celebrate Independence Day! Have a safe and happy holiday weekend! 🇺🇸

Signs your HVAC system needs repair: unusual noises, poor airflow, and inconsistent temperatures. Addressing these issue...
05/29/2026

Signs your HVAC system needs repair: unusual noises, poor airflow, and inconsistent temperatures. Addressing these issues promptly can prevent costly repairs and ensure your system runs efficiently. If you notice any of these signs, don't hesitate to contact Ralph P. Sita, Inc. for expert HVAC repair services. (301) 855-9387

As summer approaches, it's crucial to ensure that your systems are properly serviced to avoid any breakdowns during the ...
05/27/2026

As summer approaches, it's crucial to ensure that your systems are properly serviced to avoid any breakdowns during the peak heat. Preventative maintenance can save you from costly repairs and ensure optimal performance. Schedule your service today and stay ahead of the summer rush.

Call us today! (301) 855-9387

01/26/2026

Address

12445 White Oak Court
Dunkirk, MD
20754

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

Telephone

+13018559387

Website

Alerts

Be the first to know and let us send you an email when Ralph P. Sita, Inc. posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Ralph P. Sita, Inc.:

Shortcuts

Share

Category