Residential HVAC Repair & Installation Services in Howard County, Maryland

Keep the heat on, the A/C flowing, and your home in total comfort no matter the weather with ASC HVAC. Our experienced HVAC technicians are available to help with existing HVAC maintenance and repairs, retrofittings, new installations that call for some creative planning and design, and seasonal check-ups.


Whatever you are up against, we have the proven solution for the job. Don’t let breakdowns, old units, or restricted budgets stand in the way of your comfort. We are one of the best HVAC companies in Howard County because we know how to make every home HVAC friendly.

hvac units installation

Why Work With Us

We Cover Howard County and Neighboring Locations

Fully Insured and Highly Rated by Clients

Family Owned & In Operation Since 1989

Wide Variety of Brands with Warranties to Fit All Budgets

Call us today for your next residential HVAC service or request a free estimate online and we’ll get back to you as soon as possible!

Timely HVAC Contractors Are Just a Call Away

When something goes wrong with your home’s HVAC unit, you don’t want to wait around for HVAC contractors to come out and assist you. As the heat ramps up or the temperature drops, a functioning and reliable HVAC unit is vital for home comfort. ASC HVAC understands this, which is why we ensure that all of our responding HVAC technicians are timely and fast with their work. Family owned, we provide a personal touch to every job that puts your comfort at the top of the list.


Just a few of the residential HVAC services we provide includes:


  • Installations
  • Check-Ups
  • Seasonal Preparation
  • Retrofittings
  • Repair and Maintenance
  • Design and Planning for New Units
rheem hvac installation

Proven Solutions for Residential HVAC Maintenance on Existing Units

hvac services

In business since 1989, we have racked up over thirty years of hands-on experience in Howard County, MD that allows us to give the very best to every one of our clients. When your HVAC unit needs repairs and maintenance, we have a proven solution no matter what you are up against. Breaks, leaks, troubleshooting problems, and more are all offered through ASC HVAC. Our Howard County Residential HVAC contractors come equipped with the knowledge and the top tools to handle anything you’re dealing with.


Part of our experience includes understanding budget restrictions, timeliness, and the need for clear communication during every residential HVAC repair. You can trust us to be direct, point out the issues we find, and provide reliable solutions that can encompass simple repairs to possible suggestions for full HVAC replacements, if so needed. We work with you to find the right solution for your home, both in the long term and the short term, so your home’s comfort is never jeopardized.

Dependable Residential HVAC Installations with Satisfaction Guaranteed

When a new residential HVAC installation is warranted, or you’re ready for an upgrade, we are available to help with every stage of the process, from planning and design to final execution. We work with homeowners to create the right space for new HVAC units that complements the home and is easily accessible.


Just some of the HVAC brands we offer for residential installations include:


  • Rheem
  • Carrier
  • Goodman
  • Trane


Our residential HVAC units come with a 10-year manufacturer warranty, are affordable, and have a range of efficiency levels to match your needs. We can provide standard efficiency or high efficiency units, helping you with home temperature regulation and energy bill savings. Plus, with our expert HVAC technicians on hand, we can provide the best possible solutions to save you money down the road, so your new unit works for your wallet both today and years down the road.

new residential hvac installation

Give ASC HVAC Contractors a Call Today

ASC HVAC in maryland

ASC HVAC is based in Howard County, MD and services the following Maryland counties:


  • Howard County
  • Carroll County
  • Frederick County
  • PG County
  • Montgomery County


We’ve been in business since 1989 and are family-owned, so we can provide a personal touch with every job we complete. Our free estimates help you understand the scope of the work needed, your possible solutions, and what outcomes you’re facing with both repairs and installation options.


Our residential HVAC contractors are dependable, dedicated, and highly experienced. As a highly rated Howard County Residential HVAC company, we have built a reputation of integrity and trust that allows us to continue to grow and service our communities. Get your residential HVAC service in Howard County today, with satisfaction guaranteed every step of the way.

Just Some of the HVAC Brands We Offer

Rheem HVAC units
Carrier Logo
Goodman Logo
Trane Logo

Call us today for your next residential HVAC service or request a free estimate online and we’ll get back to you as soon as possible!