The
Comfort
Guys

Central Maryland’s First Choice for  Dependable HVAC Solutions

Trusted HVAC Services  Throughout Baltimore County

Farnen & Dermer: family-owned HVAC company serving Maryland since 1902. Your comfort is our mission. Trust your heating and air conditioning to the local team with generations of experience serving homes in Baltimore County and beyond.

AC  REPAIR

HEATING  REPLACEMENT

AC  REPLACEMENT

HVAC  Maintenance

Where HVAC Experience &  Quality Go Hand-in-Hand

When it comes to indoor comfort, we know what  homes in Baltimore County need.

Our factory-trained, qualified technicians are backed by generations of industry experience. When you call Farnen & Dermer, you get connected to people who genuinely care about your HVAC needs, offering recommendations and solutions. With us, you always get transparent, up-front pricing without any hidden costs, so you know exactly what you’re paying.

Book Online

Book Online

Over a Century of Local Experience

It’s time to call in the local experts.

Originally established in 1902 by Leo Dermer, Farnen & Dermer has been serving homes with high-quality heating and cooling services for over a century.

Prompt Service Right When You Need It

Emergency Services (555) 555-5555

When your indoor comfort is in jeopardy, you can’t afford to waste a moment. Our same-day service delivers the quality heating and cooling help you need, seven days a week.

Get Financing

Keep your budget afloat when unexpected HVAC issues arise. Our flexible financing options on approved credit help you get the indoor comfort you need while paying in installments.

Ask us about rebates and federal tax incentives for HVAC upgrades. We’ll walk you through the process so you save money and enjoy energy-efficient comfort.

Get Financing

Heating Service To Count On

Enjoy consistent comfort during the colder months with our professional heating services.

From installations, repairs, and system upgrades for furnaces, heat pumps, and boilers, our relentless focus on efficiency, consistent warmth, and long-term operation ensures your home is prepared for winter temperatures in Baltimore County.

AC Services You Can Trust

We help you beat the heat in Baltimore County with our tried-and-tested air conditioning services.

From new system installations to lightning-fast repairs, you’ll stay cool and enjoy improved airflow, reduced energy loss, and optimal indoor comfort even on the hottest days of the year.

Dependable Plumbing Services

Find solutions to common plumbing problems  with our team’s help.

We service water heaters, sump pumps, garbage disposals, and more, ensuring all pipes and appliances work efficiently. Expect professional installations and quality repairs from our plumbers, with solutions that last.

Routine HVAC Maintenance

When was your last HVAC service? Take the stress out of scheduling routine maintenance with our help. We provide seasonal inspections and tune-ups to reduce unexpected breakdowns and keep heating and cooling systems running efficiently.

Book Online

Dependable Heating & Cooling Services

Don’t sweat the small stuff when it comes to your HVAC system.

Rely on the local pros with over 120 years of experience. From heating tune-ups  to AC repair, we service all makes and models of HVAC systems, getting you  the indoor comfort you need.

Electric Furnaces

Gas Furnaces

HEAT PUmps

AIR CONDITIONING 
SYSTEMS

Mini SPLITS

INDOOR AIR QUALITY

Thermostats

Boilers

DUCTWORK

Generations of Reliable Service

We’re a 5th-generation, family-owned and operated HVAC company, but we’re not stuck in the past. We stay current with industry trends and advancements, providing homes with the latest in energy efficiency and indoor comfort. We’re The Comfort Guys, so we make it our aim to secure your home’s indoor comfort year-round. No shortcuts. No excuses.

Book Online
About Us