Through the Wall & PTAC Repair · baltimore & surrounding areas
Your PTAC UNIT Fixed Right. First Time.
Expert diagnostics. Honest pricing. No upselling. Heavenly Cool has been repairing through the wall and PTAC units across Maryland and Northern Virginia since 2010.
CALL (443) 759-6909
15+
Years in Business
5k+
Appliances Repaired
2,746
Appliances Repaired in 2025
100%
Honest Pricing
Expert Through the Wall & PTAC Service
A Failing PTAC Unit Affects the Whole Room.
Whether it’s a bedroom, office, or hotel-style PTAC unit, when your through the wall AC stops working the whole space suffers. That’s why Heavenly Cool prioritizes fast, reliable service with no runaround
Founded in 2010 by a veteran appliance technician, we’ve built our reputation one honest repair at a time. We diagnose the real problem, quote you upfront, and fix it right — no pressure, no upselling.
We service all major through the wall and PTAC brands across Baltimore and Central Maryland, with same-day appointments available for urgent calls.
Common Issues We Fix
Recognizing the Problem?
We've Seen It Before.
Not Cooling
Unit running but room stays warm. Usually a failed compressor, low refrigerant, or dirty condenser coils.
Not Heating
PTAC heat mode not working. Usually a failed heating element, heat pump fault, or control board issue.
Not Turning On
A completely dead unit may have a blown fuse, failed control board, or power supply issue we resolve on the spot.
Leaking Water
Water dripping inside the room often points to a clogged drain, dirty filter, or improper installation angle.
Freezing Up
Ice forming on the unit points to a dirty filter, low refrigerant, or failed fan motor restricting airflow.
Loud or Unusual Noises
Rattling, buzzing, or grinding during operation often points to a loose fan blade, failing motor, or debris in the unit.
Remote or Controls Not Working
Unresponsive controls points to a failed control board, thermostat, or sensor we diagnose accurately.
Bad Smell
Musty or burning smells coming from the unit point to mold buildup, dirty filters, or an electrical fault.
Fan Not Working
Blower or condenser fan won’t run. Usually a failed fan motor, capacitor, or control board fault.
Simple. Transparent. Done Right.
From first call to final fix, here’s what working with Heavenly Cool looks like.
01
Call or Book Online
Reach us at (443) 759-6909 or schedule through our online booking tool. We’ll confirm a time that works for you.
02
Technician Arrives
Your technician arrives on time with the tools and common parts needed to diagnose and fix your refrigerator on the first visit.
03
Honest Diagnosis
We explain exactly what’s wrong and what it will cost to fix — before we do anything. No surprises, no pressure.
04
Fixed & Running
We complete the repair, test the unit, and leave only when your refrigerator is performing properly.
All Styles. All Configurations
We service every major through the wall and PTAC unit found in homes and businesses across Baltimore and Central Maryland.
Standard Through the Wall AC Units
Permanent wall sleeve installations in all BTU sizes. Full service on all major brands including compressor and control board repairs.
PTAC Units
Packaged terminal air conditioners found in hotels, apartments, and offices. We service all major PTAC brands on the spot.
Through the Wall Heat Pumps
Dual mode units that both cool and heat. We service both functions on all through the wall heat pump configurations.
High Efficiency Through the Wall Units
Energy Star rated wall units with inverter technology. Full service on all HE configurations.
PTHP Units
Packaged terminal heat pumps for year round climate control. We service both cooling and heating functions on all PTHP models.
Commercial Through the Wall Units
Heavy duty high BTU wall units for commercial spaces. Full service on all commercial grade configurations.
Why Heavenly Cool
Dependable Service.
No Surprises.
We’ve built our reputation on doing the job right and treating customers with respect. Here’s what sets us apart.
Upfront, Honest Pricing
You approve the cost before we turn a single screw.
Same-Day Service Available
When your fridge is down, waiting isn’t an option.
No Upselling. Ever.
We fix what’s broken, nothing more.
Licensed & Insured
Fully credentialed technicians serving Baltimore and surrounding areas in Maryland
Over 25 Years of Hands-On Experience
Founded by a seasoned technician who has diagnosed and repaired thousands of appliances across Maryland.
“My PTAC unit in my home office stopped heating in the middle of January. Heavenly Cool came out the next morning, diagnosed a failed heating element, and had it back up and running before lunch. Professional, on time, and exactly what they quoted. Highly recommend.”
Robert K.
Towson, MD
Ready to Get Started?
Hot or Cold, We've Got You Covered.
Same-day through the wall and PTAC repair across Baltimore and Central Maryland. Book now and get your space back to the right temperature.