Howard County HVAC Service

The Best Heating Service and AC Repairs in Howard County from Your Local Family-Owned HVAC Company

ASC HVAC is proud to be a family-owned and operated HVAC company that has been serving homes and businesses since 1989. We handle all residential and commercial HVAC services like installations, repairs, consults, replacements, and maintenance.


When it comes to the best HVAC Company in Howard County, we’re hard to beat. Because we care about our customers, boast dozens of 5-star reviews, have the highest quality equipment on hand, and thoroughly train and vet our employees to provide the most affordable, solution-focused services out there.

See why ASC HVAC in Howard County is the right company to tackle your next HVAC Service.

Request your FREE ESTIMATE today to get a personalized consult.

Why Work With ASC HVAC in Howard County

Trusted hvac company in Howard County
Free Estimates, No Commitment

Request a free estimate and consult with one of our HVAC professionals on your problem – no commitment necessary, ask questions, discuss budget, set up a timeline, and see if we work best for your needs

iWave Air Purifier Howard County - MD
5-Star Rated

We listen to our customers and strive to deliver excellent service. Our continual dedication has led to dozens of satisfied, 5-star reviews from our customers

Rheem HVAC Units
Name Brand Equipment

Get the best heating and AC units on market today by selecting from the top-name brands for your replacement or new installation – get eco-friendly options, top performance, and more with optional warranties

Quality HVAC Services in Glenwood, Maryland
Fully Insured

Don’t worry about anything going awry on the job – our HVAC company is fully insured so no matter what unexpected situation arises, we are covered to handle anything and everything

Experienced and Knowledgeable Since 1989

We pride ourselves on our knowledge, hands-on experience, and continued dedication to learning the top industry solutions for over 30 years

Family Owned HVAC business in Quality HVAC Services in Glenwood, MD
Affordable, Timely Service

Don’t waste time waiting for an estimate, for an open schedule, or for techs to be available – we have a crew large enough to handle all of our customers, new and returning, whenever they need us, especially for urgent repairs

Our Howard County AC Services at a Glance

Maryland weather demands a functional AC unit for both residential and commercial properties year-round. When heat waves hit unexpectedly or you need to cool down your facility urgently, it isn’t the time to discover you let your AC maintenance lapse waiting for the Spring season.


ASC HVAC in Howard County provides exceptional AC service year-round. We cover both residential homes and business properties to help with cooling, climate control, facility management, overall comfort, and eco-friendly energy usage.


Give us a call when you are ready to set up your AC service in Howard County. Talk to us about repairs, installations, replacements, general maintenance, energy efficiency, and more. We are happy to consult, lend our expert advice, and keep you comfortable.

AC Services in Howard County Include:


  • Repairs
  • Replacements
  • New Installations
  • General Maintenance
  • Energy Efficiency
  • Thermostats
  • Air Quality
  • Improvements
  • Air Filters
  • High-Tech/Smart Home Options
  • Reduced Interior Humidity
  • Leak Repairs
  • Reduced Energy Costs
Men Repair AC

What to Expect from Our Heating Services in Howard County

Stay warm all year long and achieve optimal climate control with professional heating services in Howard County from ASC HVAC. We can manage your heating installations, repairs, replacements, maintenance plans, general troubleshooting, and seasonal preparations.


Keep up with unexpected cold fronts, reduce your energy bills, and enjoy the warmth of your home with reliable heating services. Our HVAC crew works on both residential homes and commercial properties. We take the safety and efficiency of heating units very seriously and are proud to offer the best heating services in Howard County.


Call us to get started and prepare your unit before winter comes in. Talk to us regardless of the season to be prepared for any and all weather fluctuations that may catch you off guard.

Our Howard County Heating Services Include:


  • Repairs
  • Replacements
  • Installations
  • Maintenance
  • Troubleshooting
  • Energy Efficiency
  • Consistent Heating Cycles
  • Thermostats
  • Reduced Costs
  • Air Quality
  • Safety Checks
  • Reliability
Heating ASC HVAC

Residential and Commercial HVAC Services in Howard County from ASC HVAC

Take care of your home or your business with ASC HVAC in Howard County. We have technical crews on hand who are knowledgeable and trained in both residential codes and commercial codes.


Get your facility up to par with reliable repairs and continuous maintenance plans. Never worry again about what to do if an emergent situation arises – we have you covered.

Brands We Offer

Rheem HVAC Units
Carrier Logo
Goodman Logo
Trane Logo

Contact ASC HVAC in Howard County Today

With a no-obligation, FREE ESTIMATE appointment, you can ask our HVAC techs all of your questions, get budgetary answers, set up a timeline, and decide which unit is the right solution for your issue.

Have peace of mind and enjoy your home with better air quality, reduced energy costs, and overall comfort.