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Howard County, Maryland HVAC Installation and Maintenance

No-Frost has been providing HVAC service to the Howard County, Baltimore County, and Carroll County area since 1971.


Maryland HVAC Service

*Future No-Frost employees pictured above

Keep Your Family Safe and Comfortable

Our trusted team of technicians can help to keep your family safe from mold and pollens that can potentially disrupt their health, while also keeping them comfortable.  Let us help keep your house cool in the summer and warm in the winter.


Maryland HVAC Company

Family Owned & Operated since 1971

Our family started No-Frost back in 1971.  As we’ve grown and the years have gone by, our family and our service has become known for offering our customers reliability, trust, and a guarantee on the work we do.


Award Winning Service 7 Years in a Row!

No-Frost and our team have won the Super Service Award from Angie’s List for the last 6 years in a row! Angie’s List is a website that compiles reviews of service companies submitted by paid subscribers. The site has over 1.5 million subscribers who submit about 40,000 reviews every month.



Consumers Checkbook is a nonprofit rating service that evaluates local service companies.


    Areas Serviced

    Howard County, MD including: Columbia (21044, 21045, 21046), Clarksville (21029), Cooksville (21723), Dayton (21036), Elkridge (21075), Ellicott City (21042, 21043), Fulton (20759), Glenelg (21737), Glenwood (21738), Guilford (20763), Hanover (21075, 21076), Highland (20777), Marriottsville (21104), Savage (20763), West Friendship (21784), Woodbine (21797), Laurel (20723), Dayton (21036).

    Baltimore County, MD including: Owings Mills (21117), Halethorpe (21227), Catonsville (21228), Baltimore (21229), Gwynn Oak (21207), Woodstock (21163)

    Carroll County, MD including: Eldersburg/Sykesville (21784)


    air conditioners