Fast, Reliable Heating & AC Repair When Ellicott City Needs It Most.
Don't shiver through a Maryland winter or sweat through a humid summer. Maryland Heating & Cooling is a family-owned, women-owned HVAC contractor serving Howard County with emergency service that never charges overtime or weekend rates — plus free estimates on system replacement.
4.7 Star Rated • Family-owned local business praised by neighbors across Howard County for fair pricing, great service & friendly people.
Reliable Heating & Cooling Services Built for Maryland Weather
From furnace breakdowns in a winter storm to AC failures during humid Maryland summers, we diagnose the problem thoroughly and fix it right — at a fair price.
Most Requested
Furnace Repair & Diagnosing Problems
When your furnace quits during a winter storm, our team finds what other HVAC companies miss. Customers call Debbie and the team knowledgeable, reliable, and responsive — even when another contractor couldn't figure it out.
- Expert diagnosis of stubborn heating problems
- Furnace, heat pump & thermostat repair
- Emergency winter storm response
- Honest explanations before any work begins
Quick Repairs
AC Repair & Cooling Service
Air conditioning failing in the middle of a hot, humid Maryland summer? We get your system back up and running quickly with thorough diagnostics and quality repairs you can count on year after year.
- Fast, accurate AC diagnostics & repair
- Refrigerant, capacitor & blower fixes
- Seasonal maintenance & tune-ups
- Great pricing with no surprise fees
Free Estimates
System Replacement & Installation
Need a whole new system? We replaced an entire home system in just one day — an impeccable job, according to our customers. Get a free estimate on replacement and enjoy great, honest pricing.
- Free estimates on full system replacement
- Complete replacement often done in one day
- Impeccable, respectful installation work
- Trusted by entire neighborhoods of repeat customers
When Your Furnace Breaks Down During a Storm
A heating failure in a Maryland winter storm isn't just an inconvenience — it's an emergency. And with other companies, you brace yourself for overtime charges and weekend rates. Not with us.
Same Fair Price. Any Day. Any Hour.
Emergency service available with NO overtime or weekend rates. Thorough diagnostics, quality repairs, and friendly people who genuinely care about getting your home comfortable again.
Highly Responsive — Even in the Worst Weather
Our customers consistently describe us as fair, highly responsive, and reliable when it matters most. When your heat or AC goes out, we answer the call.
"Debbie saved me when my furnace broke down during that crazy winter storm we had this year. She actually fixed the problem that another HVAC person couldn't figure out. She's very knowledgeable, pleasant, reliable, and responsive."
Why Howard County Homeowners Rely On Maryland Heating & Cooling
We operate with genuine honesty, prompt communication, and respect for your home.
No Overtime or Weekend Rates
Emergencies don't wait for business hours, and neither do we. Emergency service is available around the clock at the same fair price — no overtime charges, no weekend surcharges, ever.
Family-Owned & Women-Owned
We're a family-owned local business, proudly identifying as women-owned. You deal directly with friendly people who care — not a corporate call center or dispatcher.
Thorough Diagnostics Done Right
Customers tell us we're "very thorough" and that we fixed problems other HVAC companies couldn't figure out. We find the real root cause before we quote the repair.
Fair, Honest Pricing
Great pricing and fair treatment are why whole neighborhoods recommend us. Free estimates on system replacement, and no surprise fees on repairs.
Full Replacement in One Day
When your system needs replacing, we get it done fast — often a complete system replacement in just one day, with impeccable workmanship from start to finish.
Raved About by Neighbors
"Family owned, raved by 10 of our neighbors before we went with them." Serving Howard County and surrounding areas with years of repeat, loyal customers.
Debbie & Family — Dedicated to Quality HVAC Service in Ellicott City
"When your furnace fails during a winter storm or your AC quits in July, you need someone you can trust to show up quickly, diagnose the problem accurately, and treat you fairly. At Maryland Heating & Cooling, we treat every home like our own — thorough workmanship, honest communication, and responsive service at a fair price."
Reliable Heating & Cooling in Every Maryland Season
When your system runs efficiently, your home stays warm through winter storms and cool through humid summers — without strain or surprise breakdowns. Maryland Heating & Cooling focuses on total system health, from the furnace to the thermostat.
What Our Customers Say About Maryland Heating & Cooling
Real feedback from homeowners in Ellicott City and Howard County who experienced our responsiveness, thorough diagnostics, and fair pricing.
"I've dealt with a lot of HVAC companies in the past. These guys are the absolute best I've ever dealt with. Family owned, raved by 10 of our neighbors before we went with them, fair, and highly responsive. They replaced our entire system in 1 day and did an impeccable job. If you're in their service area, go with them!"
"Debbie saved me when my furnace broke down during that crazy winter storm we had this year. She actually fixed the problem that another HVAC person couldn't figure out. She's very knowledgeable, pleasant, reliable, and responsive."
"We've been using Maryland Heating and Cooling for several years now, and I can't recommend them enough. This team is the perfect blend of professionalism, reliability, and genuine care. Every time we've needed help with our heating or cooling, they've come through."
"Incredible company, great pricing and friendly people." "Very thorough and always happy with their service." "Family-owned local business serving Howard County and surrounding areas."
Experiencing heating or AC problems in Ellicott City? Let our family diagnose and repair your system quickly — at a fair price.
Call (410) 465-0081 For ServiceServing Ellicott City, Howard County & Surrounding Maryland Communities
Based at 4943 Roundhill Rd, Ellicott City, MD 21043, our family-owned team is positioned for rapid response throughout Howard County and the surrounding Baltimore area.
4943 Roundhill Rd, Ellicott City, MD 21043
📞 (410) 465-0081Frequently Asked Questions
Clear, transparent answers about our HVAC service, emergency availability, and pricing.
No — never. Emergency service is available with no overtime or weekend rates. Whether your furnace fails on a Sunday night during a winter storm or your AC quits on a holiday weekend, you pay the same fair price.
Yes! We provide free estimates on complete system replacement. Our customers are consistently impressed with our great pricing — one family even had their entire system replaced in just one day with an impeccable result.
Very likely. Diagnosing difficult problems is one of our specialties. One customer's furnace failed during a winter storm after another HVAC company couldn't figure out the issue — Debbie found it and fixed it. We're known for being very thorough and getting to the root cause.
We're a family-owned local business based in Ellicott City, serving Howard County and surrounding areas — including Columbia, the greater Baltimore area, and nearby communities. If you're in our service area, give us a call!
We're a women-owned, family-owned local business rated 4.7 stars by 24 customers. Neighbors rave about our fair pricing, friendly people, responsiveness, and thorough work. Many of our customers have relied on us for years — and recommend us to their entire neighborhoods.
Request Fast HVAC Service in Ellicott City, MD
Call directly for urgent heating or cooling assistance, or send your service request below for prompt follow-up.
Get Fast, Honest Heating & Cooling Service Today
Don't wait through a cold night or a sweltering afternoon. Call Maryland Heating & Cooling for quick diagnosis and reliable comfort — with no overtime rates, ever.