Serving South Central Pennsylvania, Carroll, and Baltimore Counties in Maryland

Dean's Heating & Air Conditioning - Logo

Residential and Commercial

HVAC Services

$89 Seasonal Tuneup

24/7 Emergency Service

2-Year Installation Warranty

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Expert HVAC Solutions for Your Home or Business

Dean's Heating & Air Conditioning is your trusted partner for comprehensive HVAC services in south central Pennsylvania, Carroll, and Baltimore counties in Maryland. With over three decades of industry experience, our locally owned business has been delivering exceptional heating and cooling solutions since 2019.


We pride ourselves on our meticulous attention to detail and unwavering commitment to quality service on every project. As licensed professionals holding a Master License for Pennsylvania and Maryland and a Pennsylvania Home Improvement Contract License, we ensure that your HVAC needs are met with the highest standards of expertise and professionalism. Call us now. 

Your Comfort, Our Priority: Why Dean's Heating & Air Conditioning Stands Out

Free estimates

24/7 emergency service

Over 30 years of experience

Licensed and insured

Quality service on every job

Master License for PA and MD

Choosing Dean's Heating & Air Conditioning means selecting a team that values your comfort and satisfaction. We distinguish ourselves through our comprehensive range of services, from custom sheet metal ductwork to the installation and maintenance of leading HVAC brands.


We offer free estimates, typically provided within 1-2 days, ensuring you can make informed decisions without delay. We offer affordable seasonal tune-ups for just $89, keeping your system running efficiently throughout the year. Our confidence in our workmanship is reflected in our 2-year labor warranty on all new installations.

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A/C Installation

Dean's Heating & Air Conditioning's A/C installation services are designed to provide you with a cooling system that perfectly matches your home's needs and your personal preferences.

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A/C Service and Repair

When your air conditioning system falters, our expert technicians are ready to diagnose and resolve the issue promptly. We offer comprehensive A/C service and repair, addressing everything.

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Duct Work/Vents

We specialize in custom designed sheet metal duct work. Whether it's new duct work installation, repair or replacement of old duct work, adding duct to an existing line, we do it all to optimize your air flow.

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Heating Installation

When it's time for a new heating system, trust us for a professional and efficient installation. We handle everything from selecting the right system for your home to ensuring proper sizing and placement.

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Heating Service and Repair

Our heating service and repair offerings cover all aspects of system maintenance and troubleshooting. From routine check-ups to emergency repairs, our team is equipped to handle any heating issue.

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Ductless Mini-Splits

If space is an issue or you'd prefer to not have duct work, as us about a ductless mini-split system. Enjoy a sleek design, quiet operation, and more. We install, repair, and maintain systems.

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Commercial HVAC

We understand the unique HVAC needs of commercial spaces. Our commercial HVAC services are designed to maintain comfortable and productive environments for businesses of all sizes.

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Water Heaters

Ensure a steady supply of hot water with our water heater services. We offer installation, repair, and maintenance for a variety of water heater types, including traditional electric, gas, or tankless energy efficient tanks.

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About Us

Dean's Heating & Air Conditioning is your place for heating, cooling, water heaters, and more. We have over 30 years of experience and offer 24/7 emergency service in the Hanover, PA, area.

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Here's what our satisfied customers are saying...

At Dean's Heating & Air Conditioning, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Dean's Heating & Air Conditioning and let others know what you think.

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$89 Residential Winter Heating
System Tune-Up
Keep your home properly heated.
Request a Free Estimate
Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

(443) 883-1363

(443) 883-1363
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