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.

01/26/2026
We will be closed Monday, May 26th, in observance of Memorial Day.
05/23/2025

We will be closed Monday, May 26th, in observance of Memorial Day.

Wishing you and yours a very Happy Thanksgiving! Today and every day, we are thankful to our customers for your business...
11/28/2024

Wishing you and yours a very Happy Thanksgiving! Today and every day, we are thankful to our customers for your business and continued support!

Signs your HVAC system needs repair: unusual noises, poor airflow, and inconsistent temperatures. Addressing these issue...
08/08/2024

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

Great day on the golf course honoring Billy Mills and supporting Tunnels to Towers Foundation!
06/25/2024

Great day on the golf course honoring Billy Mills and supporting Tunnels to Towers Foundation!

The birds are chirping, the sun is shining, and things are heating up outside… some might say it’s getting downright ste...
05/14/2024

The birds are chirping, the sun is shining, and things are heating up outside… some might say it’s getting downright steamy. As we transition into warmer months, increasing humidity can make the air feel sticky, and even lead to mold growth. Maintaining the right humidity level in your home becomes crucial for comfort and health, but it can be fairly simple to control. Below are a few tips.

Don't let excess humidity affect your home's comfort and your family's well-being. If you are interested in more information about whole-home dehumidification, give us a call. We can recommend the right solution for your home.

We’d love to meet your neighbors! Know someone who needs a visit from an HVAC professional? Give them our number! (301) 855-9387

Spring is here! Giving us a call to do a spring clean and check is a great idea. We’ll make sure everything is in workin...
03/20/2024

Spring is here! Giving us a call to do a spring clean and check is a great idea. We’ll make sure everything is in working order, clean, and ready for cooling season.

In the meantime, here are a few things you can do to get your air conditioner ready before cooling season gets into full swing.

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