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It's & We're Always Open!
The Area's Best HVAC Company!
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Air Conditioning
Indoor Air Quality
Financing Available

*Offer applies to dispatch fee for initial diagnostic visit only.  Additional labor or materials costs incurred are not applicable. Call must be received before 4PM Monday – Friday. “Same Day” is defined as technician arrival prior to 10PM on the day of qualifying call, or our dispatch fee will be waived. Offer not applicable in the event of delays due to customer, inclement weather, or property inaccessibility. Substantial completion of full plumbing job during initial visit is not guaranteed and completion times may vary. Limited time offer subject to availability. Offer not valid on weekends; call for complete details.

Always On-Time
Emergency HVAC
Our current BOGO special is the perfect opportunity to save some money while caring for your HVAC unit. Get two memberships for the price of one; share the love! 
Don’t let this deal pass you by. It won’t be around for long. Act now and take advantage of our best offer yet.

HVAC Maintenance Plans

Would you like to ensure that your heat pump, boiler, air conditioning unit, or other HVAC equipment continues to work at optimum efficiency and peak performance throughout its lifetime? With HVAC maintenance plans from Dilling, you can! 

Over time, particulates, mold, fungus, dust, dirt, and other contaminants can clog up your filters, decrease your indoor air quality, and cause your HVAC systems to break down. With a monthly heating or cooling maintenance plan, you can ensure your filters are clean and your systems are working as intended. Not only does regularly maintaining your HVAC components ensure they’re clean, but it can also extend their lifespan, prevent future breakdown, and save you money on utility bills.

What Sets Our Heating and Cooling Company Apart

From our experienced technicians who have over 60 years of experience to our top quality, energy-efficient HVAC products and systems, Dilling is the best company for HVAC installations, replacements, repairs, and maintenance throughout Gaston County, Mecklenburg County, York County, Cleveland County, and Charlotte, NC, as well as Bucks County, Montgomery County, PA and the surrounding region. We set ourselves apart from the competition by offering:

Expert certifications: BBB Certified; North American Technician Excellence Certified Technicians
Quality brands: Rheem Equipment Distributor

Locally owned and professional heating and central air company

Over 60 years of industry experience — since 1955

Rely on Dilling for All Your HVAC Needs

From heating repairs and maintenance to total air conditioning system replacements and other HVAC installations — and everything in between — Dilling has the experience, committed team, and dependable reputation to keep you and your family comfortable all year long. 

For more information on any of our HVAC services or to schedule a consultation, contact us today!

Highly Rated Industry Leaders
Air Conditioning & Heating

Bucks and Montgomery Counties’ Trusted HVAC Company

At Dilling, our HVAC company can help keep you and your family comfortable throughout the entire year with our heating and cooling services. From the freezing, bone-chilling winters to the hot, humid, and downright oppressive summers, the Bucks and Montgomery counties experience a wide variety of extreme weather conditions, but you don’t ever have to worry about your HVAC system with Dilling on your side.

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Check Out Our Full Suite of Heating and Cooling Services

We’re proud to serve our local communities by providing a range of HVAC services, including maintenance, repair, and installation/replacements. As a local HVAC company, Dilling offers more than just trusted HVAC services to homeowners and property owners throughout the region. We also feature the experience and commitment to customer service that helps us stand out from our competitors, all with a reputation for providing the best HVAC services in the area.


All winter long, the technicians at Dilling are working to ensure that no family in the Bucks County or Montgomery County region is left without heat or a properly functioning home heating system. Winters here can be brutally cold, and a broken-down heater can lead to dangerous conditions inside the home, especially for seniors, children, and pets. Our HVAC company’s heating services can ensure that your home stays warm and comfortable — regardless of what old man winter sends our way.

Whether your home relies on gas heat, electric heat, or boiler, our furnace and heat pump specialists have experience with just about every make and model and can keep yours running all winter long. From regularly-scheduled maintenance and repair to complete HVAC installations, our team of heating contractors is dedicated to keeping you and your family warm throughout the entire season.


They say it’s not just the heat, it’s the humidity, and here in the Bucks and Montgomery counties, we have our fair share of both. However, no matter how gross, sticky, and sweltering hot it gets during summer, our HVAC company has you covered. Our professional air conditioning technicians can help keep you, your family, and your pets cool and comfy during the hot season.

It doesn't matter what kind of system, unit, make, or model you have because our team has experience fixing all types of air conditioners. We know that a failed AC unit needs to be addressed as soon as possible, which is why we’re standing by, ready to help restore function to your air conditioning system. Maintenance, repairs, installation, you name it — our central air company offers everything you need to stay cool during the summertime.