About us
Business highlights
25 years of trusted experience
Family Owned & Operated
Emergency Services Offered
Services we offer
Services we don't offer
Amenities
Free Estimates
YesWarranties
YesSenior Discount
5%
Emergency Services
YesAccepted payment methods
Photos of past projects
Reviews
4.989 Reviews
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Showing 101-89 of 89 reviewsContact information
4943 Roundhill Rd, Ellicott City, MD 21043
Service hours
Sunday:
Open All DayMonday:
Open All DayTuesday:
Open All DayWednesday:
Open All DayThursday:
Open All DayFriday:
Open All DaySaturday:
Open All DayDeals
Licensing
Bonded
Insured
Licensed*
Trade License Number
46092
Trade License Locale
Maryland
Trade License Authority
Maryland: General
Trade License Expiration
10/12/2026
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.
*Contact business to see additional licenses.
Service Categories
Heating and Air Conditioning
FAQ
MARYLAND HEATING & COOLING is currently rated 4.9 overall out of 5.
Sunday: Open All Day
Monday: Open All Day
Tuesday: Open All Day
Wednesday: Open All Day
Thursday: Open All Day
Friday: Open All Day
Saturday: Open All Day
MARYLAND HEATING & COOLING accepts the following forms of payment: American Express,Check,Discover,Financing Available,MasterCard,Visa
Yes, MARYLAND HEATING & COOLING offers free project estimates.
No, MARYLAND HEATING & COOLING does not offer eco-friendly accreditations.
No, MARYLAND HEATING & COOLING does not offer a senior discount.
Yes, MARYLAND HEATING & COOLING offers emergency services.
Yes, MARYLAND HEATING & COOLING offers warranties.
MARYLAND HEATING & COOLING offers the following services: Our company services, repairs and installs most all HVAC equipment & Indoor Air Quality products such as Air Purifiers, Air Cleaners & Humidifiers. Along with our professional and friendly service, you will receive an honest evaluation of your HVAC system. We offer emergency service 7-days a week with no overtime or weekend rates. FREE estimates on system replacement.
We do not provide service or installation oil equipment, thru the wall units or Geothermal Heat Pumps.
Contact information
4943 Roundhill Rd, Ellicott City, MD 21043
Service hours
Sunday:
Open All DayMonday:
Open All DayTuesday:
Open All DayWednesday:
Open All DayThursday:
Open All DayFriday:
Open All DaySaturday:
Open All Day