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Your Trusted HVAC Partner in Southern Maryland
Cliff's Heating & Air Conditioning has served Southern Maryland for over 25 years, establishing itself as a leader in residential and commercial heating and cooling solutions. Our expertise spans HVAC installation, repair, and maintenance, including specialized services for gas, electric, and oil-based systems. We manufacture custom ductwork in-house and cater to diverse premises such as offices, churches, and workshops. Committed to problem-solving, we offer free estimates within three days and maintenance contracts for systems ranging from $500 to $500,000 projects. As approved installers for American Standard HVAC systems, we combine technical proficiency with customer-centric service.

Our team prioritizes energy efficiency, system longevity, and indoor air quality through tailored solutions. With rapid response times and transparent communication, we address both minor inefficiencies and complex system failures. Our service area includes Calvert, Charles, Prince George's, and St. Mary's Counties, ensuring localized expertise for every client. We guarantee prompt, professional service from diagnosis to installation, backed by decades of industry experience.
Services
HVAC Installation Heating Repairs Air Conditioning Maintenance Duct Fabrication Indoor Air Quality Heat Pump Services Emergency HVAC Repair
Highlights and features
  • We offer over 25 years of HVAC expertise in Southern Maryland.
  • Our team provides free estimates within three days of inquiry.
  • We are approved installers for American Standard HVAC systems.
  • We specialize in custom in-house ductwork fabrication.
  • We serve projects ranging from $500 repairs to $500,000 installations.
What people say
Prompt service Knowledgeable and polite techs Running great No-brainer choice Five stars
Services
HVAC Installation
We install state-of-the-art heating and cooling systems, including gas furnaces, heat pumps, and ductless splits. Our certified technicians ensure efficient setup for residential and light commercial properties. Systems are matched to client needs, with options for energy-efficient upgrades and smart thermostat integration.
Heating Repairs
Our team diagnoses and fixes heating system failures, from minor thermostat issues to compressor replacements. We service all fuel types, including gas, oil, and electric systems. Emergency repairs are prioritized to restore comfort during cold weather.
Air Conditioning Maintenance
Preventative maintenance extends system lifespan and efficiency. Services include coil cleaning, refrigerant checks, and airflow optimization. Annual tune-ups reduce breakdown risks and lower energy bills for residential and commercial clients.
Duct Fabrication
Custom duct systems are manufactured in-house using advanced equipment. We design layouts for optimal airflow in new constructions and renovations. Services include leak sealing and insulation upgrades to improve HVAC performance.
Indoor Air Quality
We assess and mitigate pollutants like mold, allergens, and VOCs. Solutions include UV lamps, dehumidifiers, and HEPA filtration systems. Services enhance comfort for allergy sufferers and improve overall respiratory health in homes and offices.
Questions
What HVAC services do you offer?
We provide heating and cooling installation, repairs, maintenance, duct fabrication, and indoor air quality solutions for residential and commercial properties.
Do you offer emergency HVAC service?
Yes, we provide same-day emergency repairs for critical heating and cooling system failures.
Are your technicians certified?
Our team is trained in American Standard equipment and holds industry-standard certifications for HVAC installation and repair.
How quickly do you provide estimates?
We offer free estimates within three business days of your inquiry for projects of any size.
Do you service all HVAC brands?
We repair and maintain all major HVAC brands, including American Standard, Carrier, and Lennox systems.
What maintenance plans are available?
We offer customizable service agreements for annual checkups, priority scheduling, and discounted repair rates to ensure system longevity.