From a capacitor swap to a full heat pump conversion, Baltimore HVAC keeps local homes and businesses comfortable with prompt, professional heating and cooling service.
When the system quits, you want a company that shows up fast and fixes it for good. Our experienced HVAC technicians cover the whole area with stocked trucks, straight answers, and quality work.
Whatever your system needs, a quick fix, a smart upgrade, or a full replacement, our team covers it start to finish with workmanship that lasts.
Year-round heating and cooling from one efficient system.
System replacements with proper sizing and a full commissioning test.
Coils cleaned, charge checked, safeties tested, twice a year.
New air conditioners sized by load calculation and commissioned properly.
New HVAC systems, sized, sealed, and commissioned the right way.
Source-removal duct cleaning, not a quick vacuum and a coupon.
Furnace replacements matched to your home, not the biggest unit on the truck.
One call for any breakdown, heating or cooling, with the fault found and fixed.
Gas and electric furnace repairs with combustion and safety checks included.
Mini-splits for the rooms that never get comfortable.
Heat pumps, furnaces, and boilers brought back to steady, even heat.
Same-day air conditioner repairs with an upfront price before work starts.
Available now·Speak with someone about your HVAC needs
Two systems do most of the work in a typical home, and they're the two we repair most. Here's what to expect when you call.
A dead air conditioner on a hot afternoon is the call we run most. The usual culprit is a small electrical part, a capacitor or contactor, that our trucks carry, so most AC repairs are finished in one visit. Every repair comes with an upfront quote and an honest opinion on repair versus replacement.
Most furnace breakdowns come from a handful of parts: flame sensors, igniters, inducer motors, and control boards. We find the one that failed and fix it, usually in a single visit. Every visit includes a safety check of the burners and venting, and you'll know the price before we start.
If something seems off with your comfort system, it usually comes down to one of these. Here are the problems we get called about most across Baltimore, and how we put a stop to each.
Low refrigerant, a failed compressor start, or a dirty condenser can all masquerade as the same symptom. Real diagnosis beats parts-swapping every time.
AC repairIf the blower runs but the air never warms, or the unit clicks without lighting, the failure is diagnosable in minutes with the right tools.
Furnace repairThat slow decline in performance isn't age, it's neglect compounding. A proper clean-and-tune brings most systems back to spec in one visit.
Maintenance & tune-upsWhen repair bills start stacking up, a modern high-efficiency system often costs less per month than keeping the old one alive.
System replacementIf some rooms get dusty faster than others, leaky or dirty duct runs are the likely cause. We inspect, clean, and seal what we find.
Air duct cleaningMini-splits deliver precise heating and cooling to a single zone, run whisper-quiet, and sip electricity compared to window units.
Mini-split installationAn HVAC system never fails at a convenient time. We schedule fast, show up on time, and arrive with the parts to finish the job.
We don't cut corners. Our team is experienced, background-checked, and fluent in every major brand, from a 20-year-old gas furnace to the newest inverter-driven heat pump.
You'll get a clear written quote before any work starts, and the price you approve is the price you pay. That's why so many customers call us back.
We don't just swap the failed part. We check what killed it, airflow restriction, voltage, refrigerant charge, drainage, and correct that too, so the same failure doesn't repeat next season.
Baltimore HVAC has been keeping homes comfortable in this community and the surrounding MD towns for years. We understand the local climate and the wear it causes because this is our home, not just our service area.
Knowing Baltimore is half the job. We've learned which neighborhoods run undersized ducts, how the local climate loads systems season to season, and what inspectors here look for on permits, and we put that knowledge to work on every job so it's done right the first time.
Speak directly with a local HVAC expert. Upfront pricing, no obligation.
Every job runs through the same proven steps, so nothing gets missed and the fix actually lasts.
Pick up the phone and dial (443) 293-9678. A few quick questions later, your appointment is on the calendar, frequently the same day.
We don't guess. The diagnostic covers the full system and turns into a straightforward recommendation with the cost spelled out up front.
Most repairs finish the same visit, our trucks carry the common parts. Replacements are installed to code with proper sizing, sealed connections, and clean workmanship.
The job isn't done until conditioned air is flowing and verified. We'll also show you the simple habits, and offer the maintenance schedule, that add years to the system's life.
Upfront pricing · Same-day service available
Speed matters when the temperature is climbing or dropping. This is the sequence our team runs through, from the moment your call comes in to the moment your system is running again.
You call (443) 293-9678. A real person picks up, assesses your situation, and books the soonest available technician.
Often within hours, our fully equipped technician is on-site with everything needed to diagnose and begin the repair in your property.
The technician confirms exactly what failed and why, then fixes it on the spot, and if the system is beyond saving, walks you through right-sized replacement options with real numbers and a realistic timeline.
Seasonal maintenance runs on your schedule, with reminders when you're due, to keep efficiency up and failures down. A maintained system lasts years longer and runs cheaper every month.
"When our old furnace was on its last legs, they walked us through converting to a heat pump instead of just quoting a like-for-like swap. The first winter's bills were noticeably lower, and we got cooling out of the same equipment. Zero regrets on this one."
"We signed up for their maintenance plan two years ago and it has already paid for itself. On the fall tune-up they caught a cracked igniter that would have left us with no heat in January, and replaced it on the spot. Best subscription we have."
"Another company quoted us a full system replacement. Baltimore HVAC found a bad blower motor in twenty minutes and repaired it on the spot. The tech said the rest of the system had years left in it. That kind of honesty is rare."
Good HVAC service comes down to doing the small things right. These are the commitments that earn Baltimore HVAC repeat customers and referrals year after year.
We don't send a rookie with a gauge set and a hope. Each technician brings genuine field experience in diagnosis, safe gas and electrical work, and clean installation, the kind of depth that turns a service call into a lasting fix.
Doing it right is built into how we install. We handle the refrigerant, gas, electrical, and airflow details precisely, pull permits where local code requires them, and commission the full system before we call it done, and we tell you what we did and why.
Our team believes in keeping systems alive with inexpensive seasonal care. If you want years more from your current equipment, our seasonal tune-up plans handle the checks that actually extend equipment life. No surprises, no hidden fees. This focus on longevity is one reason we maintain a 4.8-star rating across 150+ reviews.
We cover every community listed below with same-day and scheduled HVAC service.
Trusted heating and cooling service for Hagerstown homes and businesses. Fast response when the AC or furnace quits.
See service areaKeeping Salisbury comfortable in every season. Diagnose, repair, replace, done right the first time.
View detailsComplete HVAC care in Silver Spring. Repairs, installations, duct cleaning, and seasonal tune-ups.
Learn moreReliable comfort solutions for Columbia homeowners. From quick repairs to full system replacements and upgrades.
Learn moreWaldorf's go-to team for AC repair, furnace service, heat pumps, and mini-splits. Same-day appointments available.
See service areaExperienced HVAC technicians serving the Germantown area. Upfront pricing and honest recommendations.
Learn moreWhat our team wants every homeowner to know about heating and cooling.
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What a real HVAC tune-up includes, and why it matters. Practical advice from the team that does the work.
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The early warning signs your air conditioner is on its way out. What our technicians tell homeowners every day.
Read MoreHVAC problems only grow with time. Our team can respond fast. Call now for a fast quote.
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