Maryland HVAC License #101726  •  Serving Southern Maryland
Local HVAC Service • Southern Maryland

HVAC Repair Done Right.

When your AC, heat pump or heating system quits, call Cusic's Heating & Air for straightforward diagnostics, dependable repairs and professional installation.

Call Now: 301-997-3341 Request Service
Licensed in Maryland
Locally Owned & Operated

Heating & Air Conditioning Services

Repair, replacement and maintenance for the systems that keep your home comfortable.

AC Repair

No cooling, frozen coils, drain problems, electrical issues, low airflow and other air-conditioning problems diagnosed and repaired.

Heat Pump Repair

Troubleshooting and repair for heat pumps, including refrigerant, controls, defrost, airflow and electrical issues.

Heating Repair

Dependable heating-system diagnostics and repairs when your home isn't warming properly.

HVAC Installation

Professional replacement of aging heating and cooling equipment with options sized for your home and budget.

Mini-Splits

Ductless mini-split installation, diagnostics and repair for single-zone and multi-zone systems.

Maintenance

Seasonal system maintenance designed to catch problems early, improve reliability and keep equipment operating properly.

Local Service Without the Big-Company Runaround

Cusic's Heating & Air is a locally owned Southern Maryland HVAC company. You get direct communication, practical recommendations and clear options—not a high-pressure sales pitch.

  • Maryland licensed HVAC contractor
  • Residential repair and replacement
  • Clear diagnosis before major work
  • Local service throughout St. Mary's, Charles, Calvert and Prince George's counties
★★★★★

See What Customers Are Saying

Customer feedback matters. See Cusic's Heating & Air reviews directly on Google.

View Google Reviews

Cusic's Priority Protection Plan

Stay ahead of breakdowns with scheduled heating and cooling maintenance.

  • Two preventative maintenance visits per year
  • Priority scheduling over non-members
  • 10% discount on repairs
  • System performance and safety inspection
  • Maintenance reminders

$249 / year

First system

$110 / year

Each additional system

Ask About the Protection Plan

Serving Southern Maryland

HVAC repair and installation throughout St. Mary's County, Charles County, Calvert County and Prince George's County.

Leonardtown
California
Lexington Park
Hollywood
Mechanicsville
Great Mills
Charlotte Hall
St. Mary's County
Charles County
Calvert County
Prince George's County

Need HVAC Repair?

Call Cusic's Heating & Air to schedule service.

Call 301-997-3341Text for Service
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Local. Honest. Professional.

Why Choose Cusic’s Heating & Air?

Quality HVAC service without the high-pressure sales pitch. We diagnose the problem, explain your options, and help you make the right decision for your home.

✓

Licensed & Insured

Maryland Master HVACR License #101726.

✓

Locally Owned

Proudly serving homeowners throughout Southern Maryland.

✓

Upfront Communication

Clear recommendations and pricing before repair or installation work moves forward.

✓

Honest Recommendations

We focus on what your system actually needs — not selling you something you don't.

HVAC TROUBLE?

No A/C? No Heat? We Can Help.

Call Cusic’s Heating & Air for residential HVAC diagnostics and repair throughout Southern Maryland.

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Heating & Cooling Services

HVAC Service for Southern Maryland Homes

Air Conditioning Repair

Diagnosis and repair for no-cool calls, weak airflow, frozen coils, electrical problems, refrigerant issues, drain problems, and more.

Heat Pump & Heating Repair

Troubleshooting and repair for heat pumps and residential heating systems to get your home comfortable again.

HVAC System Installation

Professional replacement and installation of residential heating and cooling equipment with attention to proper setup and workmanship.

Ductless Mini-Splits

Installation, service, and troubleshooting of ductless mini-split systems for additions, garages, bedrooms, and whole-home applications.

Preventative Maintenance

Seasonal inspections and tune-ups designed to catch problems early and keep equipment operating properly.

Water Heaters

Residential water-heater diagnosis and replacement, including professional installation of new equipment.

About Cusic’s Heating & Air

Personal Service From a Local HVAC Contractor

Cusic’s Heating & Air is a locally owned Southern Maryland heating and cooling company focused on dependable workmanship, straightforward communication, and treating customers the way we'd want to be treated.

Whether you need a repair, maintenance, or a complete system replacement, you'll get clear information about what we find and what your options are.

Serving St. Mary’s, Charles, Calvert & Prince George’s Counties.

Request Service

Need HVAC Help?

Send us the basics and we'll have what we need when you reach out. For the fastest response, call or text us directly.

301-997-3341

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Local Service

Look for Cusic’s Heating & Air

Serving homeowners throughout Southern Maryland with professional heating and air conditioning service.

Cusic's Heating & Air branded service truck in Southern Maryland
Customer Reviews

What Our Customers Say

★★★★★

★★★★★

“Really happy with the experience. Kyle was responsive, respectful, knowledgeable, and got the job done quickly. Everything was handled professionally from start to finish. I appreciate the good work and would definitely recommend him to anyone needing work done.”

— Amber Abell
★★★★★

“Kyle is punctual, honest and a very polite young man. His prices are reasonable and he doesn't try to sell you something you don't need. I would highly recommend him for all your HVAC needs.”

— Debbie Zylak
★★★★★

“Kyle did an outstanding job installing our mini split system. He was excellent at communicating throughout the entire process and completed the work efficiently and on time. He provided a clear quote upfront, which we really appreciated. Kyle is highly professional and takes great pride in his work.”

— Sam Brooks
★★★★★

“Kyle was my technician and he was great! He was very thorough with his assessment and explained his process of repairs he needed. Kyle explained all the check points and was very kind, courteous and quick! Thank you Kyle!”

— Brittany Morgan
Real Local Work

Recent HVAC Work

Real installations, repairs, maintenance, and diagnostic work completed by Cusic’s Heating & Air.

Carrier HVAC system installation by Cusic's Heating & Air
HVAC System Installation
Daikin ductless mini split installation in Southern Maryland
Ductless Mini-Split Installation
HVAC diagnostic service with professional gauges and tools
HVAC Diagnostics & Repair
Air conditioner condenser coil cleaning and maintenance
A/C Cleaning & Maintenance
Carrier air handler and ductwork installation
Air Handler & Ductwork
Bradford White water heater installation
Water Heater Installation